Engine/Fuel System -- Index

[ Library ]

Engine/Fuel System

Oil, etc.

[[FAQ]] How-to: Change oil in a VR6 [ Mar 15, 2004 ]
Oil filter part number for GTI VR6's & other oil filter info [ Dec 31, 1969 ]
How-to: Use an empty oil bottle as an oil filling funnel [ May 04, 2001 ]
Info: Synthetic oil: what grade & brand to use [ Dec 21, 1999 ]
How-to: Changing oil pan gasket [ Jan 01, 2003 ]
Info: Size of 1995 GTI VR6 oil drain plug & its thread size & torque spec. [ Jan 20, 2004 ]
Info: Alternative to using a gasket: "goo" gasket [ Jul 04, 2002 ]
Engine oil leaks [ Sep 28, 1998 ]
Goop from around the cylinder head may not be an oil leak [ Mar 20, 2001 ]
How synthetic oil MAY cause engine leaks [ Mar 20, 2001 ]
Location for the ND oil cooler [ Mar 20, 2001 ]
Info: Turn 2 oil cooler [ Mar 20, 2001 ]
Stock oil cooler leaking [ Mar 20, 2001 ]
How-to: Installing an Auto-Tech oil cooler [ Aug 22, 2002 ]
Info: VDO oil pressure gauge [ Feb 18, 2004 ]
Info: Gauges for GTI VR6 [ Jun 20, 2002 ]
How-to: Installing/replacing oil pressure sender [ Jul 10, 2003 ]
Info: Oil pressures in the VR6 [ Jul 16, 2003 ]
Problem: Leaking oil pressure sender [ Mar 20, 2001 ]
How-to: Remove oil filter housing [ Feb 18, 2004 ]
An authoritative test indicating that 30W oil is better than 10W30 [unfortunately, this link is currently broken], at http://interstice.com/
Info: A list of FAQs on oil, at http://www.repairfaq.org/
Another oil FAQs list - Part One, at http://www-pal.usc.edu/
Another oil FAQs list - Part Deux, at http://www-pal.usc.edu/
Yet another oil FAQs list, at http://lonestar.texas.net/
Yet another oil FAQs list |-), at http://www.vtr.org/
Info: Oil temperature survey [ Jun 19, 2002 ]
Info: Where is the oil temperature sender? [ Mar 20, 2001 ]
Chips
[[FAQ]] Info: The Garrett chip [ Apr 12, 2003 ]
[[FAQ]] Info: Garrett chip for OBD I (95 & earlier VR6s) [ Sep 17, 1998 ]
Info: OBD II Garrett chip version [ Oct 22, 1998 ]
Info: G chip's programming and the various throttle bodies [ Jan 26, 1999 ]
Problem: Disconnect of battery & install of Garrett chip causes rough idle [ Aug 29, 2002 ]
[[Mk4]] Problem: Disconnect of battery & install of Garrett chip causes rough idle [ Aug 29, 2002 ]
Garrett chip vendors (also: vendor in Mexico) [ Feb 22, 2002 ]
Is the Garrett chip really invisible to the VW VAG1551 scan tool? [ Mar 20, 2001 ]
Info: Dyno runs of stock chip vs Garrett chip in a 98 GTI VR6 [ Mar 25, 2001 ]
Info: Autotech Q chip vs. Garrett chip [ May 21, 2002 ]
Info: Garrett chip vs. Wetterauer chip [ Feb 22, 2002 ]
Info: Why the AMS chip identifies itself to engine scan tools [ Mar 20, 2001 ]
Problem: Problem with TT chip [ Dec 02, 1998 ]
Origin of the TT chips? [ Sep 05, 1999 ]
Info: Upsolute Vr6 chip [ Apr 29, 2003 ]
Have stereo shops un-solder ECM chip [ Mar 20, 2001 ]
How-to: 95 GTI VR6: how to desolder the ECM chip and solder in a socket [ Jul 27, 2002 ]
How-to: Another how-to on de-soldering the chip (95 OBD I VR6s) [ Mar 20, 2001 ]
How-to: Install the VR6 OBD-II chip (pics & details), at http://users.iei.net/
How-to: Install the VR6 OBD-II chip (pics & details), at http://spoi.com/
How-to: Making your ECU look like it has never been tampered with [ Mar 20, 2001 ]
Engine electronics & management, spark plugs, ignition, etc.
Coil wire arcing? [ Feb 01, 1999 ]
Accounts of coil pack failures [ Jan 28, 2002 ]
Debuging a possible cracked coil pack and/or ignition wire problems [ Jan 05, 2004 ]
How-to: Fix a cracked coil pack with epoxy [ Aug 28, 2003 ]
How-to: Fix a cracked coil pack! (Same article as above, but somewhere else, with a pic.), at http://chris.agenteight.com/
Info: Testimonies on the "epoxy fix for cracked coil pack" [ May 23, 2003 ]
How-to: Fix a cracked coil pack, with PlastiDip [ Apr 21, 2003 ]
Is a coil pack fixed with epoxy flammable? [ Mar 11, 2004 ]
List of Web articles on VW/Audi's coil pack recall [ Jan 23, 2004 ]
How-to: Cheap, temporary fix for arcing coil wires [ Mar 20, 2001 ]
Info: Beware Beru coil packs [ Jun 18, 2003 ]
Another type of coil pack failure [ Jun 27, 2003 ]
How-to: Using Mk IV (A4?) coil pack on an A3 [ Nov 23, 2003 ]
How-to: Distinguish OBD I engines from OBD II engines [ Mar 22, 2003 ]
Info: OBD I -> OBD II cut-over [ Nov 23, 2003 ]
Info: Alternatives to the "official" VW VAG 1551 diagnostics scan tool [ Jan 20, 2002 ]
Great article on OBD II technology -- at Carley's, at http://members.aol.com/
How-to: Reset 94 Golf 3's service reminder indicator [ Feb 06, 2001 ]
A3 Volkswagen ECM Identification, Removal, and Disassembly [ Apr 14, 2002 ]
Where is the tach wire on the ECU? [ Mar 20, 2001 ]
How-to: Jumper the ECM's connector to get the fault codes (OBD I cars) [ Jul 03, 2002 ]
95 GTI VR6s: Plug for getting DTC from ECU [ Mar 20, 2001 ]
Info: Great big table of DTC's (Diagnostic Trouble Code), at http://www.bentleypublishers.com/
Problem: Secondary air injection (AIR) fault code [ Oct 24, 2002 ]
How-to: Replace secondary air injection (AIR) valve [ Apr 08, 2004 ]
Info: Ross-Tech VAG-COM OBD-I & OBD-II PC-based scan tool [ Jun 19, 2002 ]
How-to: Build an OBD-I/OBD-II adapter for your laptop (also: OpenDiad project). [ Jan 23, 2004 ]
Problem: Dead ECU, and possible fix [ Mar 20, 2001 ]
[[FAQ]] Which spark plugs? [ Mar 04, 2002 ]
[[FAQ]] How-to: Change spark plugs [ Jan 20, 2004 ]
[[FAQ]] [[Mk4]] How-to: Change spark plugs [ Jan 20, 2004 ]
[[FAQ]] Where is the VR6's spark plug tool? [ Mar 20, 2001 ]
An all-metal version of the VR6's spark plug tool [ Sep 25, 2002 ]
Where to get Beru spark plugs [ Jul 03, 1998 ]
96 1/2 GTI VR6's use NGK-R Platinum spark plugs [ Mar 20, 2001 ]
Info: New Bosch +4 spark plugs [ Mar 20, 2001 ]
Bosch VR6 spark plug part number [ Mar 20, 2001 ]
Aftermarket spark plug wires (ignition wires, ignition cables): Blue Ignitors [ May 17, 2002 ]
How-to: Testing the knock sensors [ Jun 24, 2003 ]
Air management, airbox, etc.
[[FAQ]] Pics on how to remove the "cone" in the airbox [ Mar 26, 2003 ]
[[FAQ]] Why or why not remove the airbox "cone"? [ Feb 05, 2001 ]
[[FAQ]] How-to: More info on airbox mods: "snow screen", snorkel ("cone", "horn"), etc. [ Mar 20, 2001 ]
Pic showing the snow screen's position in the airbox [ Dec 31, 1969 ]
Pictures of the snow screen (in the airbox), before & after cleaning. [ Apr 14, 2002 ]
Info: Euro VR6s have no snow screen! [ Feb 07, 2001 ]
Jon Laye's cold-air mod: using Mustang GT airbox w/ cone filter, at http://www.jonlayephotography.com/
How-to: Jason Whipple's air box mod [ Apr 14, 2002 ]
Horsepower gain with Jason Whipple's air box mod [ Mar 20, 2001 ]
How-to: Yet another air box mod article & pics, at http://www.servtech.com/
How-to: And yet other airbox mods [ Mar 24, 1999 ]
[[FAQ]] How-to: Relocating the charcoal canister (to make room for intake ducting, etc.) [ Apr 08, 2001 ]
[[FAQ]] How-to: Relocating the charcoal canister (98 & later A3 GTI VR6's) [ Mar 28, 2001 ]
How-to: Cold air induction [ Jun 06, 1999 ]
How-to: More cold air induction [ Mar 20, 2001 ]
How-to: Another cold air induction system [ Mar 20, 2001 ]
How-to: Another cold air induction system [ Mar 20, 2001 ]
How-to: Intake air duct ideas [ Apr 13, 1999 ]
Kamei air intakes [ Jul 30, 1998 ]
ABD air intakes [ Jul 30, 1998 ]
Info: ABD Q-Flo [ Jan 26, 1999 ]
Intake air temperatures with a Midknight Motorsports Air Bath [ Mar 20, 2001 ]
Pics of a Midknight Motorsports Air Bath system [ Jul 20, 2002 ]
Questions + answers re. the Midknight Motorsports Ice Box [ Feb 10, 1999 ]
K&N sealing grease: 5k miles report [ Mar 20, 2001 ]
Dimensions of the P-Flo K&N airfilter [ Feb 02, 1998 ]
How-to: Install a P-Flo into a VR6 [ Feb 09, 2001 ]
Air filter test [ Feb 09, 2001 ]
Using the Corrado intake manifold on the VR6 in the GTI [ Mar 20, 2001 ]
Porting the throttle body [ Mar 20, 2001 ]
Euro throttle body [ Nov 30, 1997 ]
Need to "re-initiate" the ECM after removing the throttle body? [ Jul 28, 2002 ]
Problem: OBD-II throttle position sensor/servo becoming worn & failing [ Jul 28, 2002 ]
Info: Does bypassing the throttle body's coolant hoses make a difference? [ Feb 22, 2002 ]
How-to: Adjusting throttle cable [ Dec 02, 1998 ]
[[Mk4]] Problem: Off-idle throttle response problem [ Nov 20, 2002 ]
A pic of the PRM intake system (47KB) [ May 11, 1998 ]
Machining the VR6 head? [ Apr 08, 1998 ]
[[Mk4]] Info: New "variable volume" intake on new (1999) VR6 [ Mar 20, 2001 ]
[[Mk4]] Info: The MAF in Mk4 VR6s don't have a "burn-off" period [ Jan 20, 2002 ]
[[Mk4]] Info: VW extends warranty on Mk4 MAF [ Apr 09, 2004 ]
[[Mk4]] Info: Using a 2.0 MAF sensor (cheaper!) in a VR6 [ Jun 11, 2003 ]
How-to: Clean the MAF [ Jul 24, 2003 ]
Info: Info on & pics of the Euro 2.9L intake manifold [ Jul 02, 2000 ]
Exhaust
New Supersprint exhaust smelling weird [ Mar 20, 2001 ]
Problem: Rotten egg smell from the exhaust [ Mar 20, 2001 ]
Exhaust [ Feb 06, 2001 ]
Info: General exhaust systems info [ Mar 20, 2001 ]
Exhaust sound of various exhausts [ Feb 06, 2001 ]
How-to: Remove headers (down pipe) [ Oct 15, 2003 ]
[[FAQ]] How-to: Chopping off the "suit case" [ May 13, 2003 ]
Info: Weight of the suitcase [ Aug 08, 1998 ]
Impression: Autotech exhaust [ Mar 20, 2001 ]
Impression: New Dimension/Borla VR6 cat back exhaust [ Apr 02, 1999 ]
Impression: Borla exhaust (+ installation tips) [ Mar 01, 2000 ]
Neuspeed exhaust info [ Mar 20, 2001 ]
Genie exhaust [ May 02, 1998 ]
Impression: Jetex exhaust [ Jul 10, 2002 ]
Problem: Jetex exhaust tips not level [ Sep 08, 2003 ]
Info: Installtion & impression of Magnaflow cat-back system on a 95 GTI VR6 [ Jan 20, 2002 ]
Info: Remus exhaust [ Jul 27, 1998 ]
How-to: Installing Supersprint exhaust (and impression) [ Mar 20, 2001 ]
Fitting problem with Supersprint's twin DTM tip [ Jun 24, 2003 ]
Where to buy Supersprint exhaust [ Mar 20, 2001 ]
Info: Techtonics exhaust [ Mar 20, 2001 ]
Techtonics exhaust sound [ Mar 20, 2001 ]
Techtonics exhaust prices [ Mar 20, 2001 ]
Techtonics exhaust install [ Mar 20, 2001 ]
Techtonics exhaust install & dyno results (w/ Schrick VGi, Schrick 268 cams, airbox mods, GIAC AA11C chip) [ Dec 31, 1969 ]
Problem: TT exhaust making noises [ Aug 22, 2001 ]
Impression: Eurosport exhaust [ Mar 20, 2001 ]
Info on BroSpeed exhaust [ Mar 20, 2001 ]
Info: Scorpion exhaust [ Oct 19, 1998 ]
How-to: Replacing stock muffler with a "Cherry Bomb" muffler [ Mar 20, 2001 ]
How much power do you gain w/o the catalytic converter? [ Jun 19, 2003 ]
Why Corrado cat converter is good for GTI VR6's [ Apr 26, 1999 ]
Info: Aftermarket high-flow catalytic converters [ Mar 20, 2001 ]
Info: Using non-hardening Permatex gasket sealer for leaking exhaust pipe joints [ Mar 21, 2001 ]
Info: A source for O2 sensor [ Feb 03, 2002 ]
[[Mk4]] European Car's comparo of 1.8T exhausts (on a 1.8T Jetta, with Neuspeed High-Flow Turbo Intake Pipe & GIAC chip), at http://www.europeancarweb.com/
Cams, valves, manifolds (VSR, Schrick), etc.
Cams [ Jul 10, 2002 ]
Info: Dynospot cams [ Jun 17, 2000 ]
Impression: Kent 264 cams [ May 18, 1999 ]
How-to: Lots of photos showing a cam installation in Bob Tillman's (bobtp-vector) car, by Bob and Tom Doblmaier, at http://www.p-vector.com/
[[Mk4]] How-to: Great article with lots of big photos on an A4 VR6 cam install (should apply to A3 VR6 cam installs as well)., at http://tatge.vwmafia.net/
Info: Cam installation [ Jul 10, 2002 ]
A problem installing 268 cams [ Mar 20, 2001 ]
Problem: Ticking valve noise [ Jul 29, 2002 ]
Problem: Timing chain problems [ Mar 20, 2001 ]
Problem: Broken timing chain tensioner [ Dec 14, 2003 ]
How-to: Excellent article on R+R of timing chains, tensioners, and guides (1999.5 Mk4 Jetta GLS 12v VR6), by Gary Thompson, at http://forums.vwvortex.com/
How-to: Bleeding upper timing chain tensioner [ May 15, 2003 ]
How-to: Check cam timing [ May 05, 2003 ]
Info: List of parts for headgasket, timing chains & clutch replacement on 1993 Corrado VR6, at http://www.bethandjames.com/
Info: Cost of parts + labor to replace timing chain [ Oct 01, 2002 ]
Do you need to replace lifters when installing Schrick 268 cams? [ Mar 12, 2001 ]
Adjustable cams: why they may make a difference in the VR6 [ Jul 01, 1999 ]
Info: More on cams [ May 25, 1998 ]
Does the VR6 have single or dual valve springs? [ Feb 22, 2002 ]
Info: Can the VR6's valves hit the piston? [ Jan 28, 2004 ]
98 VR6 has dual valve springs [ Mar 20, 2001 ]
Impression: 268 cams + VGi + DSR cams [ Jul 10, 2002 ]
Info: Which valve springs to use with the Schrick 268 cams [ Mar 20, 2001 ]
Info: Accounts of broken valve springs (mostly Techtonics HD valve springs) [ Jun 20, 2002 ]
Info: Comparo between 288 vs. 268 vs. 256 cams (with VGi manifold) [ Feb 03, 2002 ]
Info: Differences between the VSR manifold and the Schrick manifold [ Mar 20, 2001 ]
Info: Schrick 268 Cams & Variable Geometry Intake Install, at Venom Motorsports's Web site, at http://www.venommotorsports.com/
Info: Schrick manifold on OBD II car [ Mar 20, 2001 ]
Schrick manifold with 256 and 268 cams [ Jul 30, 2002 ]
Cooling
VR6 overheating [ Sep 15, 2004 ]
How-to: Install a low-temp fan switch [ Mar 20, 2001 ]
Where is the thermostat housing (and hence the thermostat!)? [ Jan 27, 2003 ]
How-to: Replacing the thermostat housing (and hence how to R+R the thermostat!) [ Nov 18, 2003 ]
Radiator fan problem [ Jul 27, 2002 ]
Radiator fan won't stop [ Apr 27, 2003 ]
Why does the radiator move around? [ Mar 20, 2001 ]
Problem: Leaky radiator & where to get replacement radiator [ Jan 15, 2004 ]
[[FAQ]] Blue (G11) or red (G12) engine coolant? [ Apr 04, 2001 ]
[[FAQ]] More on blue (G11) or red (G12) engine coolant? [ Feb 14, 1998 ]
When was G11 (blue) coolant changed to G12 (red) coolant? [ Apr 04, 2001 ]
Info: Purple coolant??? [ Oct 23, 2003 ]
G11 coolant vs. G48 coolant? [ Oct 03, 1998 ]
Part number for G11 coolant [ Mar 20, 2001 ]
G12 coolant more prone to leaking? [ Jul 07, 1998 ]
Info: Info on Dex-Cool coolant [ Apr 05, 2001 ]
Leaking coolant [ Feb 21, 2001 ]
Losing coolant: faulty expansion tank [ Feb 12, 2004 ]
How-to: Flushing coolant [ Feb 24, 2003 ]
Problem: Coolant pump problems [ Mar 05, 2003 ]
How-to: Detailed guide to changing the coolant pump [ May 07, 2003 ]
How-to: Changing coolant pump on a 94 Jetta GLX (at the Corrado Club of America Web site), at http://www.corrado-club.com/
How-to: Changing coolant pump on a 1999.5 Mk4 Jetta GLS 12v VR6, by Gary Thompson, at http://forums.vwvortex.com/
Electric auxiliary coolant pump fails! [ Jun 05, 2000 ]
Info: Electric auxiliary coolant pump: when does it fail & how much does it cost? [ Mar 20, 2001 ]
What does your electric auxiliary coolant pump sound like when it's about to fail? [ Aug 04, 2002 ]
How-to: Replacing electric auxiliary coolant pump [ Mar 20, 2001 ]
Info: Evans Cooling System coolant [ Mar 20, 2001 ]
Problem: Bad coolant reservoir cap [ Mar 20, 2001 ]
Engine mounts, transmission mounts
The "Whipple Motor Mount" & what to do with it [ Mar 20, 2001 ]
Where to get the Whipple front motor "mount" [ Oct 08, 2001 ]
How-to: Installing the Whipple motor mount [ Mar 20, 2001 ]
How-to: Installing the Whipple motor mount, at http://spoi.com/
Using washers when installing the Whipple mount [ Mar 20, 2001 ]
Problem installing Whipple front motor "mount" [ Mar 20, 2001 ]
Whipple mount problem: mount bolt broken [ Mar 20, 2001 ]
Whipple mount impressions & concerns [ Mar 20, 2001 ]
Impression: New Dimensions motor mounts [ Mar 20, 2001 ]
How-to: Checking for bad motor mounts [ Dec 04, 2002 ]
Problem: Broken front motor mount [ Apr 23, 2003 ]
How-to: Replace the front motor mount [ Oct 01, 2002 ]
Problem: Broken right rear motor mount ("engine mount") [ Dec 04, 2002 ]
How-to: Replace the rear passenger side motor mount ("engine mount"), at http://www.turn2usa.com/
How-to: Replace rear driver's side engine mount ("transmission mount") [ Apr 09, 2003 ]
Dyno Results, Tests, Etc.
A lot of dyno charts of VR6's with varying mods, at http://vr6dyno.cjb.net/
Mike Bigus' comparative dyno runs with the stock chip, the P-Chip, and the Garrett chip (normal & Beta) [ Mar 26, 2003 ]
Dyno Run Results & Associated Mods [ Nov 23, 1997 ]
Dyno results from an Extrude Honed BMW 6-cylinder engine [ Mar 26, 2003 ]
More dyno results [ May 26, 1999 ]
Even more dyno results: Dallas Dyno Day July 1998 (on Phillip Meadows' Web site), at http://rampages.onramp.net/
Info: Roll-on tests result: stock chip vs. G chip + Euro throttle body [ Mar 20, 2001 ]
Quartermile times [ May 30, 1998 ]
Dyno results with Schrick manifold [ Mar 20, 2001 ]
Dyno result w/ Schrick 276 cams and Genie headers [ Mar 20, 2001 ]
Dyno results: with VGI manifold [ Aug 22, 2001 ]
Some dyno numbers from A+WE [ Dec 15, 1999 ]
1998 3.1l VR6 w/ 288 cams, CCH big valve head, Supersprint headers & exhaust, GIAC v11.c [ Jun 28, 2003 ]
Turbos, Superchargers, NOx, etc.
EIP Turbo [ Jul 27, 1998 ]
Info on the New Dimension/Rimmer Engineering Eaton-based supercharger kit [ Apr 18, 2001 ]
Info: Rimmer supercharger [ Mar 20, 2001 ]
Info: Vortech supercharger [ Mar 20, 2001 ]
Info: VR6 supercharger by Nik Saran Racing [ Mar 20, 2001 ]
Info: Z Engineering supercharger kit [ Feb 22, 2002 ]
How-to: Install Z Engineering supercharger [ Apr 21, 2001 ]
Info: Z Engineering supercharger death (& life) [ Mar 22, 2001 ]
Info: Z Engineering supercharger: problem with pulleys & belt etc. [ Sep 26, 2002 ]
Info: VF Engineering supercharger installation info [ Mar 25, 2003 ]
How-to: Installing the VF supercharger, at http://www.pocketrocket.ca/
Info: Feedback on the VF Engineering supercharger [ Oct 22, 2003 ]
Info on the SuperPac supercharger [ Mar 20, 2001 ]
Impression: A review of the AMS supercharger & other info [ Feb 22, 2002 ]
Eurotech & AMS "Vortech supercharger theft" saga [ Mar 20, 2001 ]
Eurotech vs. AMS vs. Z Engineering superchargers [ Feb 22, 2002 ]
Info: Info on the VR6 supercharger mailing list [ Mar 20, 2001 ]
Info: Positive displacement vs. centrifugal superchargers [ Aug 22, 2001 ]
Info: NOx [ Apr 18, 2001 ]
[[Mk4]] Info: 2001.5 and later 1.8T engines have a K03/K04 "hybrid" turbocharger [ Jun 21, 2002 ]
Which turbo (k03, K04 etc.) for the VR6? [ Jan 15, 2003 ]
Miscellaneous
How-to: Replacing the serpentine belt [ Jun 03, 2003 ]
Problem: Tensioner pulley and/or serpentine belt squeaking: problem, replacement source, and a fix [ Mar 08, 2003 ]
How-to: Removing a VR6 serpentine belt tensioner and lubricating the tensioner (1999.5 Mk4 Jetta GLS 12v VR6), by Gary Thompson, at http://forums.vwvortex.com/
How-to: Replacing serpentine belt tensioner pulley [ Feb 06, 2003 ]
Info on underdrive pulleys [ Feb 12, 2003 ]
Is the crank pulley a "harmonic balancer"? [ Feb 12, 2003 ]
How-to: Installing underdrive pulleys [ Mar 20, 2001 ]
3.0L conversion [ Jan 29, 1998 ]
Piston size for 3.0 VR6 [ Mar 20, 2001 ]
Info: Forged vs. cast pistons [ Mar 20, 2001 ]
VR6 head corrosion [ Apr 21, 1998 ]
VR6 Technical Manual! [ Feb 07, 2001 ]
Info: European Car Nov 1991 article on the VR6 engine [ Mar 26, 2003 ]
VW Tools Source [ Jun 05, 2000 ]
Problem: VR6 rough start-up idle [ Mar 20, 2001 ]
Problem: 97 rough idle [ Dec 15, 1999 ]
97 rough idle, with possible fix [ Mar 20, 2001 ]
Problem: 97: on start-up idle RPM drops then engine stalls; runs fine on re-start [ Sep 15, 2003 ]
98 rough idle: possible fix [ Mar 20, 2001 ]
98 rough idle when cold [ Mar 20, 2001 ]
[[FAQ]] Problem: Cold start problem [ Oct 01, 1998 ]
Problem: 98 cold start problem [ Dec 22, 1998 ]
Problem: Engine stumbling [ Oct 03, 1998 ]
Problem: 95 stalling [ Dec 20, 1998 ]
[[FAQ]] Problem: Warm start problem (95 GTI VR6, but applicable to others) [ Mar 20, 2001 ]
Another warm-starting problem: [ Oct 03, 1998 ]
One fix for a faulty EGR valve [ Mar 20, 2001 ]
What material is the fuel tank made of, plastic or metal? [ Mar 20, 2001 ]
Poor fuel economy [ Mar 20, 2001 ]
How-to: Very detailed intsructions on adding locking fuel door [ Feb 03, 2002 ]
How-to: Installing "Speedpass" sensor on gas cap (by Stewart Dean) [ Jun 04, 2000 ]
[[FAQ]] Fuel gauge not reading full after fill-up [ Mar 20, 2001 ]
How-to: Fixing fuel level sensor [ Sep 10, 2002 ]
How-to: How to remove & replace fuel filter [ Aug 06, 2002 ]
How-to: How to remove & replace fuel filter, with pics, at http://home.nyc.rr.com/
Info: Lightened flywheel [ Dec 04, 2001 ]
95 GTI VR6 stumbles! [ Oct 03, 1998 ]
Loose or missing gas cap causes "check engine" light [ Nov 11, 1998 ]
Info: Location of PCV valve & EVAP purge regulator valve [ May 15, 2003 ]
PCV (Positive Crankcase Ventilation) valve leaking [ Mar 06, 1999 ]
A design change of the PCV valve [ Oct 31, 1998 ]
Info: OBD II leak detection pump [ Mar 20, 2001 ]
Work items involved removing the crank with the engine in the car [ Mar 20, 2001 ]
How-to: Hone a cylinder bore [ Mar 24, 2001 ]
Cut-away view of VR6 24-valve valve train (at VW Vortex), at http://www.vwvortex.com/
Info: Debugging starter problems [ Jul 25, 2002 ]
How-to: Replace starter [ Apr 18, 2002 ]
Info: Where is the VR6's engine identification number? [ Aug 31, 2002 ]
How-to: VR6 leak-down & compression testing, and some compression numbers [ Nov 05, 2002 ]
Info: VR6 head gasket parts & vendors [ Mar 08, 2003 ]

[ Library ]

Engine/Fuel System

Oil, etc.

Chips

Engine electronics & management, spark plugs, ignition, etc.

Air management, airbox, etc.

Exhaust

Cams, valves, manifolds (VSR, Schrick), etc.

Cooling

Engine mounts, transmission mounts

Dyno Results, Tests, Etc.

Turbos, Superchargers, NOx, etc.

Miscellaneous