94 Bonneville HELP ME SOMEONE!!

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Mar 10, 2010 | 01:08 PM

richma1984

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94 Bonneville HELP ME SOMEONE!!

I brought a 94 bonneville. This car is a mystery to me and the mechanic it cranks and runs but cuts off

. The guy has changed the crankshaft, but it is still doing the same thing. Any suggestions to what it might be? Also not showing any codes, someone please help.

Last edited by richma1984; Mar 10, 2010 at 01:20 PM.

Mar 10, 2010 | 01:11 PM

Toddster

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egr valve maybe....
do you have any service records?

how does the fuel pump sound? strong or week?

Mar 10, 2010 | 01:11 PM

Danthurs

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Check the fuel pressure. Could be a bad fuel filter or fuel pump. If those are good, then check for spark.

Mar 10, 2010 | 01:22 PM

BillBoost37

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Guys.. let'* also link in the ground buss. The one on the driverside has been known to cause this.

Mar 10, 2010 | 01:24 PM

Toddster

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Quote:

Originally Posted by BillBoost37

Guys.. let'* also link in the ground buss. The one on the driverside has been known to cause this.

huh...good point Bill

https://www.gmforum.com/showthread.p...ht=ground+buss

Mar 10, 2010 | 01:25 PM

Danthurs

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What we need to ask is, does the engine cut out like it was turned off, or does it sputter a bit and then die? A fast cut out would point to electrical, a sputter then die points to fuel