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I have a lt1 in a 1989 transam when im driving the car i have good acceleration but only if i go haf throttle if i go full throttle it is like the motor starts to hesitate

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  • 32 Answers

Could be many dif things lack of fuel, bad plugs, worn out wires, timing off just a bit, ignition coil starting to fail. could be just as simple as not a good enough ground from motor to frame. i would start with a fuel pressure test. then plugs wires timing ect

Posted on Apr 07, 2015

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Posted on Jan 02, 2017

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MrScary66613
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SOURCE: motor hesitates and sputters when idleing and acceleration

Absolutely is the Problem! Please Rate My Response! Thanks!

Posted on Feb 01, 2009

  • 61 Answers

SOURCE: Engine hesitates on acceleration

try checking the spark plugs,roter, coil, and even your cable on your throttle body

Posted on Mar 23, 2009

  • 84 Answers

SOURCE: Hesitates upon acceleration & will not maintain a steady speed

i had found a problem with a kia rio. it was saying tps sensor but after a couple of hours and alot of cursing it turned out to be the maf mass air flow sensor. these are expensive so i suggest that you take it to a kia dealer to have it tested or find someone who can do it for alot cheaper

Posted on Apr 28, 2009

ourhowse
  • 2007 Answers

SOURCE: Car hesitates when excelerating from

Check timing chain. Sounds like it may have jumped a cog.

Posted on Apr 28, 2009

  • 2 Answers

SOURCE: HESITATION ACTS LIKE IT WANTS TO STALL

what kinda car

Posted on Jun 16, 2009

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Hi

It sounds as though you either have a faulty O2 sensor, or there is a fuel pressure issue, which from your description, could be due to a worn fuel pump.

If the car performs ok under full acceleration, but plays up at either part throttle or no throttle, then you may well have a faulty O2 sensor.

Very best regards

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