Uh, that was EGR valve, not EYE. Damn auto correct... ~Holland On Mar 31, 2016 19:56, "Holland Phillips" <[email protected]> wrote:
> I've had concerns about the wires you found cut since you mentioned them. > In CA, on pre OBD cars, they look for hardware and check tail pipe. I had a > Euro intake on my car, and the port for the EYE valve wasn't machined, so I > just bolted the valve on and ran the wire back into the harness without > connecting it, and they never caught it. Those cut wires may be for the > reference sensor, and if the smog Nazis see them, they may fail you on that > alone. Plus, without a functioning reference sensor, I doubt the car will > run correctly, and that may be the reason your timing is jumping around. > Like I said before, at this point, I would find a smog station that offers > free retests and go for it. They will tell you what is not correct if it > fails. > > ~Holland > On Mar 31, 2016 19:27, "damac2004" <[email protected]> wrote: > >> holy cow i hope to have a success story soon but i am not quite there yet >> for smog. i went ahead and checked the codes and found i got an egr >> error, igntion reference sender and knock sensor #1 bad wiring or sender. >> >> somebody told me i don't have a california ecu, does anybody know if all >> ecu's would throw that egr even if on a non california car? i don't think >> i have to worry about it, just wondering. >> >> on the knock sensor both of mine are chipped up where the sensor bolts >> in, one of them has no covering on the whole run of wire, just metal >> strands. just got a couple bosch new ones for cheap on ebay so will >> install those. >> >> the last one for the igntion reference sender brings up an issue i didn't >> know i had. my car has no sensor on #4 wire and i found no connector in my >> harness but there is a run of 3 wires that was cut off. does anybody know >> if this will effect how the computer runs things? i have read it both ways >> searching. i never noticed a problem with the car before i touched it >> except it was stinky and didn't get good mileage. i don't even care about >> this as long as i pass smog. >> >> if i read right i also believe a car can have a 2 degree deviation from >> the stock timing specs so i think i might just take a chance with this car >> and set it as best as i can, even though the timing light jumps around. i >> have talked with numerous people on each side of this issue as well. some >> said their marks wandered, some said they don't. hate to throw money at >> this car if i don't have to, but would enjoy making it right for the next >> guy when i get rid of it :) >> >> On Thursday, March 24, 2016 at 5:52:49 PM UTC-7, hollandphillips wrote: >>> >>> Two knock sensors means 2.0/9A block. >>> On the timing issue, there is something that needs to be disconnected >>> prior to using a timing light. I can't remember what exactly it is, but I >>> think it's a vacuum line somewhere. Again, that information is in the >>> Bentley. Once the whatever is disconnected, the timing should be steady >>> when viewed with the timing light. >>> The timing advance on Motronic cars is controlled by the ECU, which is >>> why initial setting of the timing requires disconnecting whatever it is the >>> Bentley tells you. They do connect a timing sensor to the number one >>> cylinder spark plug lead when running an emissions test in California. >>> Don't know if it's just for reference to the machine, or if they can >>> actually fail you if it's out of spec. >>> >>> ~Holland >>> On Mar 24, 2016 17:04, "damac2004" <[email protected]> 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 >>> >>> >>> <https://lh3.googleusercontent.com/-ld5z8T1qMBU/VvSAHUYZQFI/AAAAAAAAAOw/TN6T8t9LDnYh-Ek6Nwhyij9PhtpIeLAEQ/s1600/IMG_0583.JPG> >>> >>> >>> >>> >>> 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 <[email protected]> >>> 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" <[email protected]> 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 <[email protected]> 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. >>> >>> >>> >>> <https://lh3.googleusercontent.com/-oSf6Tvpz5Xg/VvN7QYR455I/AAAAAAAAAOU/FVftHFgDN0AaCg98N1jFVFSj67xKPaOjw/s1600/IMG_0575.JPG> >>> >>> >>> >>> 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 <[email protected]> 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 <[email protected]> >>> 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" <[email protected]> wrote: >>> >>> im pretty sure i have 2 knock sensors? im attaching a picture of what i >>> uncovered from electrical tape. looks like >>> >>> ... >> >> -- >> 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 [email protected]. >> To post to this group, send email to [email protected]. >> 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/ad36e98a-b556-4f5b-b8b6-363400724d77%40googlegroups.com >> <https://groups.google.com/d/msgid/mk2-16v/ad36e98a-b556-4f5b-b8b6-363400724d77%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> 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 [email protected]. To post to this group, send email to [email protected]. 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/CABrbKBnA-4TgLM3gGTrFYn-%3DzEAsTq6sEwpnZvtAgQxWj9dp8w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
