My CEL came on last night. Took my chipped ECU out and now it's not on anymore. Any ideas?

Negative459 · 12-06-2003, 03:59 PM

Should I take it in to have it checked? Does my chipped ECU just have a code that needs cleared or could the extra power from the chip be tripping the CEL because something in my engine's about to go?

12-06-2003, 04:33 PM

Steveo369 · 12-06-2003, 05:15 PM

You should probably have checked the codes prior to pulling the ECU, but you could put the old ECU back in and the code should still be there, IIRC.

Negative459 · 12-07-2003, 01:45 AM

Certainly would have checked if I had the means. I have no VAG though and I didn't wanna trouble anyone with one for such a thing before I had a better idea of what may be going on. If I pop the chip back in and the CEL still shines I'll prolly just roll around stock until the next GTG or something. :-\

Jason Chen · 12-07-2003, 09:17 AM

Negative459 · 12-07-2003, 10:54 AM

It's stumbling at Idle now, too. It's going in tomorrow morning.

Jason Chen · 12-07-2003, 08:00 PM

Negative459 · 12-10-2003, 06:52 PM

Jason Chen · 12-11-2003, 08:45 AM

Negative459 · 12-12-2003, 05:53 PM

Convered under warranty. Get it back tomorrow.

12-06-2003, 04:33 PM	#2
Josh@StatusRacing Guest Garage is empty, add now Posts: n/a	codes are stored on each ECU

12-06-2003, 05:15 PM	#3
Steveo369 AudiWorld Senior Member Garage is empty, add now Join Date: Apr 2000 Posts: 3,477	Yup. If the problem is recurring, the CEL will come back on shortly... You should probably have checked the codes prior to pulling the ECU, but you could put the old ECU back in and the code should still be there, IIRC. __________________ AIM: Steveo369WA

12-07-2003, 01:45 AM	#4
Negative459 Junior Member Garage is empty, add now Join Date: Apr 2002 Posts: 1,522	Re: Yup. If the problem is recurring, the CEL will come back on shortly... Certainly would have checked if I had the means. I have no VAG though and I didn't wanna trouble anyone with one for such a thing before I had a better idea of what may be going on. If I pop the chip back in and the CEL still shines I'll prolly just roll around stock until the next GTG or something. :-\ __________________

12-07-2003, 09:17 AM	#5
Jason Chen AudiWorld Super User Garage is empty, add now Join Date: Apr 2000 Posts: 12,094	I have Vag if you need help, but I dont' have a laptop only from home :( __________________ Sigless

12-07-2003, 10:54 AM	#6
Negative459 Junior Member Garage is empty, add now Join Date: Apr 2002 Posts: 1,522	Thanks but the CEL just came on with the stock ECU so something's obviously not right :-( It's stumbling at Idle now, too. It's going in tomorrow morning. __________________

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12-07-2003, 08:00 PM	#7
Jason Chen AudiWorld Super User Garage is empty, add now Join Date: Apr 2000 Posts: 12,094	Sounds like Coilpack is dead. __________________ Sigless

12-10-2003, 06:52 PM	#8
Negative459 Junior Member Garage is empty, add now Join Date: Apr 2002 Posts: 1,522	Was on for 4 days and now it went off again. Damn thing's going in on Friday. __________________

12-11-2003, 08:45 AM	#9
Jason Chen AudiWorld Super User Garage is empty, add now Join Date: Apr 2000 Posts: 12,094	You can still come by and I'll vag it for ya. __________________ Sigless

12-12-2003, 05:53 PM	#10
Negative459 Junior Member Garage is empty, add now Join Date: Apr 2002 Posts: 1,522	Verdict is a bad EGT sensor causing the MAF to make the engine run rich Convered under warranty. Get it back tomorrow. __________________

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12-12-2003, 05:53 PM
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