hard start after sitting 96 bonneville se 3800 motor - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-02-2006, 04:26 PM   #1
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Default hard start after sitting 96 bonneville se 3800 motor

AFter reading through 23 pages, I decided to ask a question.
1996 Bonneville SSE (regular 3800 motor) 68K miles
I have been driving car and check engine light has been coming on intermittenly.
I do not have a scanner and have not seen any codes.
Starting in the morning is never a problem. Yesterday, went to Home Depot. Came out of store and car did not want to start. Fuel pump is working, battery is ok, it cranks fine, gauges all acting normal. just having a tough time kicking over. After waiting ten minutes, car started. Today went to another store,came out and got sam thing...hard to start. Waited ten minutes again, car started. Forgive me if this is already on the forum. I could not find exact same problem. Would appreciated help. Plugs new wires and more at about 60K miles. Thanks
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Old 10-02-2006, 05:07 PM   #2
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Please cruise by an Autozone or like and have the codes scanned. Even though the light isn't on, the car is storing the codes.
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Old 10-02-2006, 05:18 PM   #3
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Yes, get those codes scanned. Right now I'm thinking its probably a Camshaft Position Sensor or Crankshaft Position Sensor thats causing the intermittent starting. But I'm merely hypothesizing, so go get those codes pulled and get back to us.
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Old 10-16-2006, 10:18 PM   #4
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Finally got toAutozone and yes it was the crankshaft position sensor. Now I got to replace that but I need a bud apparently from what I am reading in the Hayne book I have. May have to take it in and let somebody else do the work. I hate to do that but...
THe guy also said I have a misfire on 4. Hopefully that'* just a plug and/or wire.
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