multiple missfire - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > multiple missfire

ROCKRIDGE4WD Introduces a NEW Jeep Wrangler JK *led* tail ANOTHER Rockridge4wd Creation!! Spare Tire Carrier Delete Building a Bumper?

Reply
Unread 08-04-2009, 10:16 AM   #1
rudyt
Registered User
2001 WJ 
 
Join Date: Aug 2009
Location: SDCA
Posts: 8
multiple missfire

I have a 2001 grand chrokee that is reading multiple missfire p300 thorugh p306. I replaced the plugs a couple of weeks ago and before that I replaced the crank shaft positioning sensor. Any Ideas what is causing this?
thanks for the help.

rudyt is offline   Reply With Quote
Unread 08-04-2009, 11:42 AM   #2
MEinSoCal
Registered User
1999 WJ 
 
Join Date: Sep 2007
Location: Los Angeles, CA
Posts: 1,405
just a guess from reading lots of older related posts, but could be your PCM. you might need a new one
__________________
Meh...
MEinSoCal is offline   Reply With Quote
Unread 08-04-2009, 03:16 PM   #3
oldfamilyguy
Registered User
 
Join Date: Dec 2008
Location: oakville, canada
Posts: 791
do you have any symptoms of a bad tps like erratic idle or surging? this can also give "false" misfire codes, I've seen it myself
oldfamilyguy is offline   Reply With Quote
Unread 08-17-2009, 04:14 PM   #4
rudyt
Registered User
2001 WJ 
 
Join Date: Aug 2009
Location: SDCA
Posts: 8
no erratic idle or surging.
rudyt is offline   Reply With Quote
Reply
Thread Tools


Suggested Threads





Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.