You sure? My friends '92 corrado didn't have one. I've never seen one in a 16v GTi/GLi.
I've never seen one until '93 and even then it had to be a late '93... Sent from my iPhone > On Mar 24, 2016, at 6:59 PM, Holland Phillips <fasterthan...@pacbell.net> > wrote: > > My '92 had an amber lindicator that was in the shape of an engine. I used to > check for codes using the method outlined in the Bentley, so I'm sure it was > there. Maybe I'm wrong about it looking like an engine, too much has happened > since the last time I worked on my car. > > On Mar 24, 2016 17:29, 'Josh Wyte' via MK2-16v <mk2-16v@googlegroups.com> > wrote: > Holland, > > There is no check engine light. VW didn't add one until 1993, my corrado slc > had one... > > Josh > > Sent from my iPhone > > On Mar 24, 2016, at 6:04 PM, damac2004 <damac2...@sbcglobal.net> wrote: > > ok so ground showed no continuity to that sensor wire. it does with pin 7 i > believe on the ecu connector, so i guess i am good. i kept getting confused > because people were talking about an insulated wire and im thinking a nasty > cable like for tv. when looking these guys over as is, they don't seem > special looking to me. > > also i looked over the car again and i do have 2 knock sensors. they are on > the front of the block close to each, closer to cylinder #1. they each > attach to a harness connector that goes into the loom and to the ecu. so if > i remember right people said 1.8 blocks don't have 2? yet i couldn't fit the > larger im shaft gear into this block that mates to the oil pump it had the > smaller block off plate hole? so still not sure what i have. in included a > picture down below. hopefully i won't need to care. > > here is a link to video of my first cold startup. for some reason it took > like 5 times to start like there was no gas, fuel pump was making noise. > then it started right up. can anybody tell if it sounds ok? i am now having > an issue with timing the car. i tried cold and after a warmup cycle and i > cannot get the pointer to stay still with the light on? it kind of lines up > with the diamond and then it will shoot off a little bit off one way or the > other. if i go further either way from where it is now, when it shoots off > it tends to go in that direction more. i tried connecting the lead near the > distributor cap and at the head. it seems to like this spot the best but im > not sure how accurate it is. im wondering what impact this could have on > smog if im a little off. also not sure if this means my car is having > troubles or if my timing light is messed up. > > https://www.youtube.com/watch?v=GB9yXn61pS8 > > > > > > > > On Thursday, March 24, 2016 at 10:32:11 AM UTC-7, stevenarguello wrote: > I think that your loom is good, I wouldn’t mess with it anymore. The Bentley > shows a circle around the signal wire where that ground meets the O2 signal > wire instead of a splice and that’s what you have. Maybe check to be sure > that there’s no continuity between the ground and the O2 signal spade > connector. > > > On Mar 24, 2016, at 10:48 AM, Holland Phillips <holland...@gmail.com> wrote: > > The Motronic ECU does store codes. Since the OBD1 spec didn't go into effect > until '95, code readers don't work on these cars. Connecting two leads to the > proper positions of the connectors under the shifter boot and connecting a > momentary switch to the other ends of the two leads, by using the switch to > short the leads for a few seconds, the codes are shown by the check engine > light flashing in various sequences. The Bentley explains all this and has a > chart showing what the various codes indicate. I don't remember exactly where > in the Bentley this procedure is, but it's in there somewhere. > > ~Holland > > On Mar 24, 2016 1:17 AM, "damac2004" <dama...@sbcglobal.net> wrote: > sorry just to make sure we are on the same page. you are saying the 02 > sensor black connector is going into the loom to the ecu. and the ground > wire attached to the firewall is loose and surrounding the 02 sensor wire > along the same path? i am paranoid and want to see for myself and am tempted > to cut further upstream to see. > > i thought i read about the codes and bought a cord on ebay to convert from a > little plug underneath the shifter boot i believe that goes to an obd reader? > i will try it if i read right after i get the sucker going, had to rewire > the main power and grounds. many wires have fallen to pieces just from > touching them. scary stuff now that i look closer. > > On Thursday, March 24, 2016 at 12:40:03 AM UTC-7, stevenarguello wrote: > The picture looks just like what I thought it would, the signal wire is the > one with the connector, the one going to the ground is the shield. I think > that you're good to go. > I would have shown you my loom, but it's very different and I thought it'd > make things more confusing. > > Fire it up. > > One last thing, I'm pretty sure that your Motronic ecu has codes. I'm not > sure how easy they are to read or if they help at all. > > On Mar 24, 2016, at 1:29 AM, damac2004 <dama...@sbcglobal.net> wrote: > > > > > > i forgot to add this picture. maybe i need to look closer but it looked like > the connector wire is exposed and touching that main ground leg. is it > possible the connector has its own cover and is running inside inside the > ground run? i can try and cut some back and look at it. i was expecting a > special looking wire, my connector wire doesn't look special? > > > > i don't really understand how to read the bently. this is the only wire i > see connected in the 20 pages to the firewall ground on that side. it > doesn't show a straight run to the control unit but it has a solid line > crossing into the shielded wire icon on the 02 sensor connected leg. i just > assumed they were connected or else the ground wire from firewall side would > go nowhere? > > > > is this a pretty common harness on other gas vw's of the same era? i wish i > could see somebodies stock harness with pictures, maybe i can find one at > picknpull. > > > > > > > > > On Wednesday, March 23, 2016 at 5:21:42 PM UTC-7, stevenarguello wrote: > So you bought a new 3wire O2 sensor? If so, the black is the signal not the > ground. (The sensor is grounded through the exhaust?) > After the orange connector the signal wire back to the ecu is a little > thicker because it's a coaxial cable, it has a braided shield around the > signal wire. This shield has a ground and I believe that's the one going to > the firewall. That's why they look like 2 wires fused into 1. > (I think, my loom is different.) If I'm way off, I hope someone will let him > and me know. > > There should be an extra female connector for the 2nd knock sensor, unless > they cut it off. > > > On Mar 23, 2016, at 6:30 PM, damac2004 <dama...@sbcglobal.net> wrote: > > hate to bug people but i'm just tidying things up with a new 02 sensor and > want to make sure before i start it up and time it. i pulled the whole > harness that goes to the ecu just to make sure. i do only have the 1 knock > sensor. don't see any special shielded wiring. > > the 02 harness side has a black ground going to firewall that goes to the > ecu. a small area is cleanly exposing wires and the 02 sensor signal wire > connector is fused to this ground leg. no sign of solder or cuts, looks > original to me? > > i also tried looking up my car in the bently and it matches a later gti 91 > chasis according to them. it shows the ground location over there on > firewall rather than the engine block. > > i have the 2 white wires from 02 sensor going to stock connectors and their > colored wires into the ecu harness. > > bently shows the ground leg black wire and the 02 sensor connector black wire > making a left turn into that black ground wire. > > so it seems it is wired correctly? > > i just don't understand how 02 sensors work, not sure if that black wire is a > ground wire on all car applications. > > On Saturday, March 19, 2016 at 1:24:08 PM UTC-7, stevenarguello wrote: > The wire you’re touching looks like the O2 signal. In your case it looks > like the shield might have been pulled off and ran to ground. (That’s a > guess, could be like that from the factory) The red and yellowish (sorry, I’m > a little color blind) are the O2 heater. The 2 whites and the lead with the > electrical tape go to the sensor. > I think. > > There’s only one mounting point for a knock sensor on the 1.8, the 2.0 has 2. > If you have 2 and they’re both mounted to the block then I’d say that the > block is 2.0. I know we’ve gone back and forth on this, but I had the exact > opposite happen to me my ’88 had a 2.0 (the PO didn’t know) I found out when > I discovered the second KS. > > On Mar 19, 2016, at 3:20 PM, Holland Phillips <holland...@gmail.com> wrote: > > As Steve mentioned, the O2 sensor signal wire is shielded, similar to a > coaxial cable. It's basically a regular insulated braided copper wire of > about 20 gauge, with a braided shield covering it. > > ~Holland > > On Mar 19, 2016 12:13, "damac2004" <dama...@sbcglobal.net> wrote: > im pretty sure i have 2 knock sensors? im attaching a picture of what i > uncovered from electrical tape. looks like a brown wire covered with black > that goes to top connector from drivers side, its duct taped along i guess > stock loom. i assumed ground at first but wonder if this could be the 02 > sensor signal wire? > > and just what i thought. i have a black ground wire coming from firewall > gong to the loom. but an area is all cut away with exposed wiring. the wire > from outside of loom was wrapped into this exposed ground bundle WITH the 02 > sensor signal wire??? > > this is incorrect right? ground wire is no the same as signal wire for 02 > sensor it should make an isolated run somewhere? > > whats wierd is all the wires but the loose one outside of loom seem to be > fused together. i can't detect solder and the wires seem to be attached > firmly inside the black cover. i can't even pull them apart, i would have to > cut which makes me think it was stock because i don't see breaks further down > the line. > > > > > > On Saturday, March 19, 2016 at 10:29:29 AM UTC-7, stevenarguello wrote: > On a typical 1.8 CIS-E the O2 signal wire is shielded and green to an > insulated male spade connector and there are 2 white heater wires into a > duplex VW connector. I’m not sure how big of a deal the knock sensor issue > that you’re going to have is. Your Motronic ECU is going to want 2 knock > sensor signals, I think it uses one as a baseline reference and the other > adjusts the spark timing. The 1.8 block only accepts one knock sensor. > > On Mar 19, 2016, at 11:31 AM, 'Matthew Yip' via MK2-16v > <mk2...@googlegroups.com> wrote: > > This reminds me of a friend who adamantly stuck to the theory that VW and > Audi engines are the same because of the engine code. Instead of moving the > accessories, he installed the complete 1.8t from a VW into an Audi TT. > > At start-up, it fired immediately but idled at 2000 rpms. Why? Because VW > had a 1" fitting underneath the manifold that Audi doesn't use. The moral is > to never assume and always check the obvious since the obvious isn't always > obvious <G> > > - Matthew - > > On Mar 19, 2016, at 11:03, Holland Phillips <holland...@gmail.com> wrote: > > Progress! That's awesome! I don't remember the wire colors anymore, but yes, > one of the wires to the O2 sensor is the heater wire. Hopefully, once you set > the timing, it will improve things. However, until you get the O2 sensor > hooked up correctly, it isn't going to run right. But at least you've > resolved a lot of your issues. I'm happy for you. > > ~Holland > > On Mar 19, 2016 01:38, "damac2004" <dama...@sbcglobal.net> wrote: > well i capped off one hole with a bolt/washer and the other with a thick > plate and gasket. turned the key once to hear the pump prime and then tried > to start the car and it started right up and idled a bit less than 900 rpm i > think. > > wow do i feel stupid. > > i got various little things to fix after poking around but my next problem is > the cat/02 sensor. i'm going to start fresh with my new cat and 02 sensor at > this point. i assumed the wiring was ok but noticed some previous owner > electrical tape and there are numerous wires tied together into a bundle > thats hooking up to a ground on the passenger firewall. this includes a > single wire that is zip tied to the outside of the loom coming from the > drivers side. halfway it turns from black to brown with vw plastic > connectors. > > seems a little goofy at face value to have a single wire shoot all the way > over there for ground right where all those wires meet. i have to look closer > but i think something is screwed up if im reading right the 2nd 02 sensor > connector is a heater wire NOT ground? the other harness with 2 white wires > goes into the loom. > > i have a feeling car isn't even getting a signal from 02 sensor so i need to > get that straight before installing new one. > > i had the distributor at the old setups marks, i will have to time it > tomorrow i couldn't actually see the marks well when trying the timing light > in the dark tonight. car runs and is revving out with the stock chip/cams, > etc. but i noticed right away when i stab the throttle and it comes off the > idle switch there was a slight gurgle and then it revs out but is reacting to > pedal. i'm hoping it needs to be timed and that will help. > > On Wednesday, March 16, 2016 at 7:56:36 PM UTC-7, damac2004 wrote: > oh boy i am feeling stupid and think i have found the smoking gun here. > > is it possible that having 2 open holes on the back of the intake manifold > made the car act this way? > > this is not a california chasis so no egr stuff. when i pulled the euro > manifold one hole had a bolt stuck through it with rtv and another hole was > held by bolts and gasket. > > when i was transferring everything over to the stock manifold i remember > poking down the hole with brake cleaner hose and hit what i thought was solid > wall on each. at the time never seeing egr stuff assumed it maybe would be > drilled out for a car that needed that hardware. > > i had filled the holes up with brake cleaner with that side up and don't > think i paid close enough attention so this whole time it was installed on > the car like that. > > tonight as i went to transfer the old parts back on as my last hope effort i > noticed some leakage when spraying brake cleaner and a light bulb went off. > so with those holes up if i spray one hole it fills the other hole up. if > you leave the manifold sit the level of fluid just sits there. when i went > to tilt sideways one way nothing happened but leaking out the top. when i > tilted the other way 2 of the runners leaked the fluid out. > > i don't know these cars at all. since the car wasn't running right i never > wanted to let it run long since it wasn't acting like a real car. my mom was > watching and said i see some smoke and it sounds funny but of course i told > her its just stuff burning off and that it wasn't running right. couldn't > really take a chance to look or feel closer. > > i have seen people mention these cars can run crappy with vac leaks and they > don't run without the intake tubes attached? i'm hoping this is what it was. > going to make some block off plates and gasket to seal those 2 holes up > tight and then install all the old parts on it and hope like magic its back > to normal and then i can smog it. > > On Tuesday, March 1, 2016 at 10:41:38 AM UTC- > ... > -- > You received this message because you are subscribed to the Google Groups > "MK2-16v" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mk2-16v+unsubscr...@googlegroups.com. > To post to this group, send email to mk2-16v@googlegroups.com. > Visit this group at https://groups.google.com/group/mk2-16v. > To view this discussion on the web visit > https://groups.google.com/d/msgid/mk2-16v/8ea7b42c-985c-44a8-b854-d647b1b5a010%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "MK2-16v" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mk2-16v+unsubscr...@googlegroups.com. > To post to this group, send email to mk2-16v@googlegroups.com. > Visit this group at https://groups.google.com/group/mk2-16v. > To view this discussion on the web visit > https://groups.google.com/d/msgid/mk2-16v/EFA044A5-4351-413D-AF8D-B9B33959D521%40yahoo.com. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "MK2-16v" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mk2-16v+unsubscr...@googlegroups.com. > To post to this group, send email to mk2-16v@googlegroups.com. > Visit this group at https://groups.google.com/group/mk2-16v. > To view this discussion on the web visit > https://groups.google.com/d/msgid/mk2-16v/ad33ee1d-b437-4828-b6ed-341513534646%40email.android.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "MK2-16v" group. 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