 No spark, ECU Comm Error? 90 AWD TSI |
 May 23 2005, 07:58 PM
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Info Seeker  Group: Members Posts: 80 Joined: 6-November 02 Member No.: 38  |
Im having a problem with my 90 tsi awd, its got a new rebuilt motor in it and the caps have been replaced like last month. After the rebuild the motor would start but sputter out of the exhaust, so we had the ecu caps replaced. And now the car will not even start. We have fuel, but no spark. The timing marks are all aligned. We have replaced the power transistor unit and also the coil pack, but we have no spark still. The mpi fuse checks out good also, we do not have a clue on what to check next. When we plug in the pocketlogger, it says ECU COMM error, dunno if that could be it. The crank angle sensor used to have to be turned all the way advanced to get the car to run, but now of course the car wont start, so can a bad CAS cause no spark? I am lost, help me!
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May 23 2005, 09:04 PM
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
CAS does control spark, yes. I believe it does control fuel as well so it may or may not be the problem your having. I'd start with the ECU and then look towards the CAS.
-------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Posts in this topic
bigjiggy81 No spark, ECU Comm Error? 90 AWD TSI May 23 2005, 07:58 PM
natedogg The crank angle sensor has a different error code.... May 24 2005, 06:55 AM The Iron Goat Also, and I'm not trying to step on toes here,... May 24 2005, 03:42 PM
bigjiggy81 damn i wish i was located more towards you guys i... May 24 2005, 04:51 PM |
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