2001 Honda Civic Cylinder 3 Misfire. If the problem persists more tests needs to be done to diagnose the problem, see possible causes. Web here are the possible causes of the p0303 code:
The soot makes the egr valve leak, the leak makes the engine misfire on cylinder 4, and sometimes randomly on any cylinder. · #13 · oct 2, 2014. Check the coil plugs make sure its clean of any corrosion or wat so ever.
Web code p0303 honda tech notes. Fixing p0301 should be considered a high priority. A multiple misfire can be caused by anything from faulty spark plugs to low.
Btw, when should i replace the spark plugs? Web in this video, we go over common symptoms of a misfire and quick easy diagnostics steps you can take at home to find and fix the issue yourself! On inline engines, the third cylinder will.
The soot makes the egr valve leak, the leak makes the engine misfire on cylinder 4, and sometimes randomly on any cylinder. I am getting 3 confirmed cylinder misfiires (p0301,p0303,p0304) and random misfire (p0300). On “v” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the engine.
Before you can diagnose p0303 in your car, you need to find the third cylinder. If the problem persists more tests needs to be done to diagnose the problem, see possible causes. On “v” configuration engines, it’ll usually be the second cylinder on the head closer to the front of the engine.
If you change the plugs and coil pack and still misfire most likely could be a bad wire in the harness somewhere. P0301 is certainly a cause for concern and should be considered a threat to the drivability of your civic. Web here are the possible causes of the p0303 code:
