Question about 2002 Kia Sportage
Code p0307 refers to cylinder 7 --misfire detected.== causes --engine mechanical fault---wiring--ignition/fuel system---injector---ECT/MAF sensor---ECM I would check the connections on no 7 injector and the injector itself.
Posted on May 05, 2013
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
May 31, 2016 | 2000 Jeep Grand Cherokee Laredo
May 04, 2012 | 2004 Dodge Ram 1500
Oct 31, 2011 | 1999 Dodge Ram
Sep 13, 2011 | Ford Expedition Cars & Trucks
2004 Marauder and 2003-2004 Mustang vehicles built before 12/19/2004 equipped with 4.6L 4V/5.4 4V engine may exhibit a runs rough, lacks power, and engine misfire, prompted by a MIL light and DTC codes P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, and P0316.
Diagnose engine for engine misfire concern. If diagnostics determine an engine misfire which is characterized by leakage through exhaust valve(s), only replace the affected cylinder head(s).
SERVICE PROCEDURE FOR VEHICLES WITH RUNS ROUGH/MISFIRE CONDITION:
1. Perform relative compression check on all cylinders. If abnormal, check cylinder leakage and actual compression for "low" cylinders refer to Workshop Manual (WSM), Section 303-00.
2. If leakage/compression check indicates a valve train concern, per valve train diagnostics in WSM, Section 303-00, replace cylinder head and cam assembly, pipe plugs and timing chain tensioner, per procedure outlined in WSM, Section 303-01.
3. If cylinder leakage and compression tests are inconclusive, perform misfire diagnostic, per TSB 05-22-8.
Feb 26, 2011 | 2004 Ford Freestar
Feb 16, 2011 | Mercedes-Benz 500-Class Cars & Trucks
Jan 26, 2011 | 2004 Ford F150
Jul 15, 2009 | 2001 Dodge Ram 1500 Truck 2WD
133 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: