97 Bonneville won't start
01-19-2007, 07:36 AM
#12
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I'd consider the ignition module after you try the coils. I had the same problem on a Series 1 3800 and it turned out to be the ignition module.
01-22-2007, 10:43 PM
#14
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Put on a different coil,still the same...but when i go to fuel rail and check pressure with car turning over i get pressure but with car turned off i get no pressure on the valve at all,fuel pump problem?also the gas gauge acts up....thinking a bad or loose fuel pump??
???
???
01-25-2007, 04:53 AM
#17
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The regulator is on the fuel rail with a vac line going to it. Underneath the black cap on the rail is a schrader valve where you can check the fuel pressure.
01-27-2007, 04:59 AM
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Guys I put on a j/yard fuel pump and the car works like new...now going to find out why when i floor it the check engine light starts flashing..cat converter?
01-27-2007, 08:03 AM
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well guys i was wrong went out this morning(cold) would not crank again??i notice if you just turn the key over for like a second it acts like it wants to crank,if you turn the motor over and over if seems not to fire>?what can this be
01-27-2007, 09:19 AM
#20
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Flashing check engine light is a possibly catalyst damaging condition.
In my limited experience the only time I saw this was when I had a bad coil. The kicker of the issue was.(it was summertime BTW) the coil tested bad at that moment. When the car cooled, the coil was testing good. I know it'* cold, but you need to test those coils before you try cranking the car over. I think it'* possible you have a bad coil or ICM that only acts up under cold conditions.
In my limited experience the only time I saw this was when I had a bad coil. The kicker of the issue was.(it was summertime BTW) the coil tested bad at that moment. When the car cooled, the coil was testing good. I know it'* cold, but you need to test those coils before you try cranking the car over. I think it'* possible you have a bad coil or ICM that only acts up under cold conditions.