Odd idle problem - JeepForum.com
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post #1 of 2 Old 08-05-2020, 07:47 PM Thread Starter
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2002 TJ Wrangler 
Join Date: Jan 2010
Location: Wetaskiwin
Posts: 2,648
Odd idle problem

94 5.2L V8 46RH

Occasionally, when idling, my ZJ will 'shake,' almost like a tremor (I compare it to a slowly vibrating chair, if that makes sense). It seems to be pretty inconsistent, happening sometimes and other times it is smooth. The RPMs do NOT move, and I do NOT hear the engine speed changing. It seems to idle around 500-700RPM. Fuel pressure is good, compression is okay, and as far as I can tell, there are no vacuum leaks.

Any suggestions?

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post #2 of 2 Old 08-06-2020, 04:42 AM
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Did you check plugs wires coil and connections to all?
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