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rand cherokee rough idle with codes


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leftys4js
New User

Jan 24, 2010, 11:26 AM

Post #1 of 3 (1357 views)
rand cherokee rough idle with codes Sign In

Hello i recently posted about a miss and hard starting problem, its a 5.2L v8after monitering alittle more its not a miss. more of a rough idle and acts if it wants to die at lights/stop signs also notice at times it wants to die the voltage drops below normal but when accelerating goes back up and stays....new cap and rotor and plugs and wires and still the same..i was able to get 2 codes that i didnt have before they are
32-EGR solenoid circuit -open or short detected in EGR solenoid circuit /EGR system failure required change in fuel/air ratio not detected during diagnostics test..
52-air/fuel at limit-oxygen sensor signal indicates lean air/fuel ratio during engine operation.
where is the EGR solenoid located i could not find it.
If anyone could tell me what i should check or steps i need to take it would be greatly appreciated
thanks


leftys4js
New User

Jan 24, 2010, 2:45 PM

Post #2 of 3 (1350 views)
Re: rand cherokee rough idle with codes Sign In

after doing some searching for vacuum leaks i found the hose from the pcv to the intake was cracked i replaced it and now its hard to start and when it does it wont stay running unless i remove the hose from the intake and it starts and runs ok not good but better


Sidom
Veteran / Moderator
Sidom profile image

Jan 24, 2010, 10:12 PM

Post #3 of 3 (1335 views)
Re: rand cherokee rough idle with codes Sign In

You may want to take off the EGR valve & may sure it's not stuck open.






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