Neil: Are you in the US? If your car came with a chip and you're in the US, then you have a 2.0L. The 1.8L cars came with CIS-E and cannot be chipped. The US 2.0L cars came with CIS-Motronic, and can be chipped. As another lister suggested, look under the shift boot. At the top right-hand corner you should find three electrical connectors. These are used to retrieve fault codes from the Motronic brain. If you don't have Another way is to check your VIN against one of the keys that are on the net. Again, if it's US and truly a '90, then you have a 2.0L.
The loose wire is for the fan after-run thermo time switch. The switch/sensor is on the front-left-hand corner of the head, mounted to one of the cam cover bolts. When new, my car's wire was cut. I don't know why the idiot owners/mechanics out there don't know what to do with this simple wire. HTH, Chris Williams [email protected] -----Original Message----- From: smerkur [SMTP:[email protected]] Sent: Monday, January 10, 2000 8:35 PM To: smerkur; Neil Hartman; A2-16v list Subject: New ride, minor glitches, couple mysteries Just picked up a '91 GTi 16V, 67k miles, straight and cherry in and out. Car is reputed to be a 2.0L. Looks like all of them were that year, however, the "engine family" sticker under the hood refers to a 1.8, 1781cc, etc. Are they all that way, is the hood a replacement, or have I been had? Is there another way to verify engine size by block numbers or markings? The motor pulls nicely, even down low - seems to be more powerful than my '88 GLi 16V. I also have a hesitation problem. The car came with the TT chip and exhaust. I checked for air leaks like someone has suggested - negative result. Reset the timing by light, but no improvement. Also, there's a brown wire that's unattached under the hood. It comes from the firewall and has a right-angle spade terminal attached to it that looks like it was pulled off a rivet type connection. When I ground it out, the rad fan comes on. My old Haynes manual has lousy wiring schematics (time for a Bentley). Fan still comes on when motor is hot enough. Can anyone I.D this wire? Hint: it was found laying around by the fuel distributor and is not long enough to reach anything on the front side of the block. Sorry for all the questions all at once. I've been stuck in digest mode after joining with no way to post to the list (that I could see). TIA Neil '91 GTi 16V history of H20 addiction _____________ List Sponsor: http://www.netsville.com To remove yourself from this list, send mail to [email protected] with 'unsubscribe a2_16v' in the body of your message See us on the web at http://www.a2-16v.com Visit the 16V Homepage at http://www.gti16v.org
