some advice please!

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Jul 14, 2010 | 12:26 PM

z28camaro1996

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Launching!

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some advice please!

ok my car will start and run just fine. and ill let it run for 5 min and ill get in it and ill start to back up and it will die,then it really hard to start and you can tell its getting fire, when it turns over it will try to start but instead it will diesel and clatter. when it finally does start it will bog when you gas it or its acts like it dont want gas, also while that it will back fire out the tail pipe every now and then.ive changed the opti,icm,cps, and coil. any suggestions what it could be?

Jul 14, 2010 | 12:43 PM

killagt

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does it crank first time you put the key in ?

Jul 14, 2010 | 01:29 PM

z28camaro1996

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Launching!

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Some times it does then some times it dont.

Jul 14, 2010 | 01:42 PM

killagt

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have you check your fuel pressure by hook up a gauge on the fuel rail ? im affaird its your fuel pump, but check the pressure first, make sure it have no leak some where. Like injector leak or something. Keep us update how it go.

Jul 14, 2010 | 02:27 PM

z28camaro1996

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Launching!

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fuel pressure at idle is from 41 to 43 pounds. and it moves up and down with reving

Jul 14, 2010 | 03:25 PM

killagt

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if fuel pressure good and no leak. Then move to ignition. is this happent before you change all that ignition ? or it happent before you change those ?