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Author Topic: Engine backfires hesitation rough  (Read 2252 times)

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00-711

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Engine backfires hesitation rough
« on: June 09, 2012, 10:11:15 AM »
Hello,
           My car starts up fine and runs smooth but after about ten to twenty minutes I get hesitation, backfires, stalling (when I'm driving especially when I press the accelerator peddle). It gets so bad that when I'm in traffic it will stall and its murder to get started again. Very very rough running. If I leave the car for about 15-20 minutes it will start up and run but gets worse after time.
Seems like when the engine gets warmed up the problem starts. My temp gauge reads fine.
Any ideas? Distributor? Bad wires to the distrib cap? Clogged catalytic converter?

Thanks,
00-711
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Offline jim

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Re: Engine backfires hesitation rough
« Reply #1 on: June 09, 2012, 11:24:11 AM »
Engine Control Module?  Misbehaves when hot, cools off and works.  I have heard that a coil may do the same thing but I haven't personally experienced it.
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I'm right 98% of the time, and I don't care about the other 3%.
"The constitutions of most of our States assert that all power is inherent in the people;
that... it is their right and duty to be at all times armed."
--Thomas Jefferson to John Cartwright, 1824. ME 16:45
What part of "shall not be infringed" do they not understand?
08 Impala
01 Yukon 4X4
(There's more to life than fuel mileage)
83 Eagle wagon; shared responsibility as daily driver
88 Eagle white woody wagon; shared responsibility as daily driver
86 wagon parts car
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Offline jim

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Re: Engine backfires hesitation rough
« Reply #2 on: June 09, 2012, 03:30:20 PM »
I mispoke - I meant to say Ignition Control Module.  My apologies.
Logged
I'm right 98% of the time, and I don't care about the other 3%.
"The constitutions of most of our States assert that all power is inherent in the people;
that... it is their right and duty to be at all times armed."
--Thomas Jefferson to John Cartwright, 1824. ME 16:45
What part of "shall not be infringed" do they not understand?
08 Impala
01 Yukon 4X4
(There's more to life than fuel mileage)
83 Eagle wagon; shared responsibility as daily driver
88 Eagle white woody wagon; shared responsibility as daily driver
86 wagon parts car
Click for Little Rock, AR Forecast" border="0" height="100" width="150

00-711

  • Guest
Re: Engine backfires hesitation rough
« Reply #3 on: June 10, 2012, 10:30:30 AM »
Jim:

Thanks, after searching ICM, it sounds like the problem! I'll have it replaced and the pick up coil checked.

00-711
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