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GSL runs rough after operating temperature

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Old 08-26-10, 07:22 PM
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Rotary till i die!

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GSL runs rough after operating temperature

I have a 85 gsl, i've been driving this car for months now with a few problems. Today i was driving and everything was fine then randomly it started choking and wanted to die. when decelerating in gear it would begin to backfire and kept getting louder until i pressed the clutch in. I floored it home and was probably the slowest car ive ever drove.

My fuel pressure is at a steady 3psi, my plugs/wires are good. MSD coil is good.

Well after it got home and cooled off i changed the fuel filter and checked that after burn hose thing above the mani. and it was fine. I started it up and it ran just like always. Well, when it warmed up (1/4 way up the guage) it started to choke and sputter before dying. But i can re-start it no problem and runs fine for a min then dies again.

I drive this car everyday...any ideas??

THX!
Old 08-26-10, 07:43 PM
  #2  
its supposed to do that

 
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Does it smoke at all? I worked on a car a few years ago that would leak coolant into the intake (from the o-rings), but only when it was warm and the cooling system was up to pressure.
Old 08-26-10, 07:54 PM
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Rotary till i die!

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I didnt notice any smoke or a smell for that matter. but when i got home it was smoking around the carb. but i was also dripping gas on the motor.
Old 08-27-10, 04:06 PM
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Rotary till i die!

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also i noticed that when the temperature outside drops and i down shift, when it engages i hear a squeaking... usually just 1st and 2nd gear
Old 08-28-10, 08:43 AM
  #5  
Waffles - hmmm good

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Could be your leading ignition or ignitors failing when hot. Next time it does this
see if your getting spark to the leading plugs.
Old 08-28-10, 09:01 AM
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Rotary till i die!

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ok im gonna try that today
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