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Old 08-22-2013, 05:58 AM   #1
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why does my engine stall and hesitate?

Has anyone experienced this? 2002 wrangler apex, 6 cylinder, automatic. 90 deg day driving with the top down and air conditioning on full blast about 40 mph 4.0 automatic trans. I heard a clucking sound underneath the jeep and 1/4 mile further the engine stalled at a stop light. It started back up right away and didn't seem to have any more problems.
Weeks later another hot day driving 60 mph on the highway the engine hesitated 2 different times. I drove home without another incident. Help please.

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Old 08-22-2013, 06:54 AM   #2
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Have you checked your catalytic converter. On hot days it could be enough to heat the screens up and cause an exhaust blockage.

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Old 08-22-2013, 03:15 PM   #3
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4th jeep

Thank you!
No I haven’t checked the catalytic converter. I’ll look into that.
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Old 08-22-2013, 03:22 PM   #4
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Tap it with a hammer if u hear movement its bad

Also check iac and cps
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Old 08-23-2013, 06:13 AM   #5
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4th jeep

Thanks a bunch for the info.
But what is iac and cps?
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Old 08-23-2013, 07:28 AM   #6
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Idle air controller-located on the side of the throttle body

Crankshaft position sensor- located drivers side of the transmission bell housing
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Old 08-23-2013, 11:35 AM   #7
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4th jeep

Thanks again!!

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