My Car wont start
#1
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My Car wont start
Any ideas would be great, just replaced my turbo and manifold last night. It started no problems but there was a exhaust leak on the manifold. So today I took of the manifold and replaced the gasket that sits between it and the turbo. Put it back together and now it wont start. Everything is tight and it cranks just doesnt start. It is backfiring and stuff. I am suppose to take my car to get it dynoed tommorrow, so I need help NOW.
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Could it be possible that the front o2 sensor got yanked. Maybe disconnected from under the black valve sparkplug cover? Make sure all the plug wires are seated properly to the spark plugs. Theres also a sensor that when is unpluged the car will crank but never start. I forgot what its called but if you follow the sparkplug wire harness you will end up where its at. Its right behind the valve cover on the passenger side. Good luck. Oh yeah... its called the crank angle sensor.
Last edited by dbdude; Jul 7, 2006 at 07:10 PM.
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#8
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Try giving a better description of the problem. Does motor crank? Does it start for a little bit then die? Does it turn over but never ignites? Check to see if you getting spark (unplug a spark plug and have your friend crank the car). Look the entire harness over to make sure no sensor is unplugged. Good luck.
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Yes it cranks and tries to turn but just backfires, The MAF and O2 sensor I checked already. The engine dies slowly after I turn the key off like it was running?? It also cranks for awhile then stops then goes again. Like I am losing voltage all of a sudden. Only while trying to start it though. I am going to recheck everything again.
#10
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It backfires!? Do you see flames shooting out of the exhaust (with a very loud BANG)? Maybe you meant "misfires"? Make sure you don't have any vaccuum leaks anywhere (check intercooler couplers, miscellaneous tubing, anything connected to the intake). Check ALL (as in every single one) of your sensors, not just the MAF and O2 sensor.
Originally Posted by cdupont03
Yes it cranks and tries to turn but just backfires, The MAF and O2 sensor I checked already. The engine dies slowly after I turn the key off like it was running?? It also cranks for awhile then stops then goes again. Like I am losing voltage all of a sudden. Only while trying to start it though. I am going to recheck everything again.
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I have a plug that comes out of the fuse box, it has a red and black wire and white plug. I cant seem to find where it goes. Can someone please take a look at there car and tell me. Its out of the fuse box under the hood.
#15
Since you were working around the turbo, check the power wire to the starter and make sure it isn't loose. With the loss of power comment that seems like the most likely cause.