× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
very intermittent miss p300 301 to 306
Posted to Technical Discussion Forum on 7/11/2023 15 Replies

Hi All Very intermittent miss fire . It only happens when climbing a grade above 4200 feet or high altitude . We are at sea level . Over the years crank sensor , decarb , fuel pump complete tune up , coil pack . h2o pump , radiator , t state , Fan clutch . Ru... Login to read more.

15 Replies Received (View Replies)

 

car Vehicle Data

2004 Jeep Grand Cherokee Laredo 4.0L

VIN 1J4GW48S64
Engine4.0 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2004 Jeep Grand Cherokee Laredo 4.0L

VIN 1J4GW48S64
Engine4.0 L
Trans4-speed Automatic (Electronic)