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1996 grand am v-6 engine hard to start
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wjones1000
New User
Sep 30, 2009, 8:18 AM
Post #1 of 7
(1469 views)
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1996 grand am v-6 engine hard to start
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 my son bought this car a year ago and ever since he has it has been hard to start.now here is what it does when you turn the car over it immediately starts but dies,but if you dont let off the key and continue to try to start the starter turns over faster for like 2 seconds then starts turning over like normal if you still hold the key in statr and never let off the car will start and run perfect.this takes about 30 to 40 seconds of contiually turning starter over until it starts.i have tried the relearn process and it did not cure problem,the theft light never goes out on dash or blink it just stays on,please help with ideas thanks
(This post was edited by wjones1000 on Sep 30, 2009, 9:32 AM)
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DanD
Veteran
/ Moderator
Sep 30, 2009, 9:34 AM
Post #2 of 7
(1463 views)
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Re: 1996 grand am v-6 engine hard to start
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I would have the fuel system tested; as in the proper pressures during cranking, running and after the engine is off.
Also check for external or internal fuel leaks; hence the testing of fuel pressure leak down; after the engine is turned off.
Dan.
Canadian "EH"
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wjones1000
New User
Sep 30, 2009, 11:41 AM
Post #3 of 7
(1457 views)
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Re: 1996 grand am v-6 engine hard to start
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i will have fuel pressure tested thanks!
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wjones1000
New User
Oct 2, 2009, 7:27 AM
Post #4 of 7
(1429 views)
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Re: 1996 grand am v-6 engine hard to start
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the fuel pressure when you turn key on was 46 while engine is running its 41 i think thats good?
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 2, 2009, 7:58 AM
Post #5 of 7
(1425 views)
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Re: 1996 grand am v-6 engine hard to start
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That fuel pressure has to be tested during that period when it's not starting. Testing it after the car is started doesn't tell you anything.
Also note if the pressure holds when the key is shut off.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Oct 2, 2009, 7:58 AM)
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wjones1000
New User
Oct 2, 2009, 10:50 AM
Post #6 of 7
(1417 views)
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Re: 1996 grand am v-6 engine hard to start
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ok i will recheck when i turn motor over as well as pressure stays up after turn it off.thanks for the input!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 2, 2009, 2:56 PM
Post #7 of 7
(1413 views)
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Re: 1996 grand am v-6 engine hard to start
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That test is abreviated KOEO or "key on, engine off" -- that's the pressure it has for starting,
T
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