Wont run

Tiny
BUCKCOCOA
  • MEMBER
  • GMC
Ihave a 2000 pontiac grand-am drove it home went out the next day tried to start it it backfired and hasnt stated since.I replaced ignition module, plugs, coils and still will fire one time and thats it till ya take plugs back out and dry them off and put them back in and same thing. Any ideals? Oh I forgot it has a 2.4l. And has no codes.
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Thursday, March 2nd, 2006 AT 10:09 AM

9 Replies

Tiny
2CARPRO BOB
  • MEMBER
Check the fuel pressure and also check to see if the fuel pressure regulator has failed.
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Saturday, March 4th, 2006 AT 1:33 PM
Tiny
BUCKCOCOA
  • MEMBER
I have checked fuel pressure was at 57 lbs.I have replaced camshaft sensor and crankshaft sensor it helped it almost starts once and thats it how would I test regulator thanks for the help I dont know what to do next?
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Saturday, March 4th, 2006 AT 4:05 PM
Tiny
BUCKCOCOA
  • MEMBER
I have checked fuel pressure was at 57 lbs.I have replaced camshaft sensor and crankshaft sensor it helped it almost starts once and thats it how would I test regulator thanks for the help I dont know what to do next?[/Quote:60e3f8bd31] I have taken this car to the shop if I find out what the poblem is I will post im lost
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Tuesday, March 7th, 2006 AT 6:55 PM
Tiny
NOS
  • MEMBER
The 2.4 is one of the worst motors there is it is what they call a quad four when you pulled the top of the motor to change the moduel did you check the plastic cover real close for carbon tracks these will cause hard start cross firing and such also I have seen cam alining pins on sprokets sheer and put it out of time. The pressure foot for the timing chain is oil feed sometimes a backlash from a back fire will cause malfunction and put out of time condection thes last few thins that I have talked about need to be done by a tech that has the proper tools and equipment. But the cove you can do if there is any doubt change it may save you time and a bunch of money. Hope this helps :D (NOS)
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Wednesday, March 8th, 2006 AT 10:47 PM
Tiny
BUCKCOCOA
  • MEMBER
I have had this car in a shop for 3 wks. They called today and said come get it they cant figure it out. I seen another post on here with same problem. Can it be pass-lock sensor. It allways fires. Has fuel, and compession. Anyone got a ideal?Im going to take it to another chevy garage but its getting in my pocket!
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Wednesday, March 29th, 2006 AT 3:28 PM
Tiny
NOS
  • MEMBER
I have seen car go into lock mode because the person used a key different than the one that came with the car. If you have done the same thing try useing the orginal key. You may beable to use a dup key several times before it happenes most cars have a chip built into the key if this key is not used the car won't start it goes into lock mode nad most times has to be taken out by a dealer or useing the right key. NOS
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Wednesday, March 29th, 2006 AT 11:01 PM
Tiny
NOS
  • MEMBER
I have seen cars go into lock mode because the person used a key different other than the one that came with the car. If you have done the same thing try useing the orginal key. You may be able to use a dup key several times before it happenes most cars have a chip built into the key if this key is not used the car won't start it goes into lock mode and most times has to be taken out by a dealer or useing the right key. NOS
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Wednesday, March 29th, 2006 AT 11:04 PM
Tiny
BUCKCOCOA
  • MEMBER
I GOT THIS CAR HOME TODAY AND GOT OUT THE ORIGNAL KEY TRIED TO START THEN LEFT IN RUN POSITION AFTER NO START FOR 10MIN. I DID THIS THREE TIMES AND IT STARTED SHIT IM A HAPPY MAN THANKS.
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Friday, March 31st, 2006 AT 7:15 PM
Tiny
NOS
  • MEMBER
Well bud i'am glad you got it running man glad I could help. I have been doing this kinda work for long time seen a lot of different wierd stuff happening congrats ( NOS ).
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Monday, April 3rd, 2006 AT 7:44 PM

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