Spark Plug Secrets Unveiling Their Impact on the Check Engine Light

Old spark plugs or fried spark plug wires can also signal your check engine light to turn on. Unfortunately, it's hard to tell if this is the ... I've seen some sites saying it's a bad evap purge valve but can putting wrong spark plugs in really cause that? I'd never had any issues ... I never thought NEW spark plugs could cause a check engine light to come on. ... Old 16th March 2016, 23:39. IFLY152 IFLY152 is offline. Bad spark plugs are among the many potential causes for your check engine light to appear. In this case, the check engine light typically ... Some owners ask if spark plugs cause the check engine light to flash? This ... A bad, old or dirty spark plug can cause the engine to misfire. If the ... Flashing CEL can mean misfire, so check plug wires, etc, to make sure they are OK. You may need to read and then reset the codes after you check ... Comments ; CHECK ENGINE LIGHT STILL ON & STILL MISFIRES AFTER CHANGING SPARK PLUGS ? THIS COULD BE WHY. Shaners Mechanic Life · 50K views ; EASY: ... A defective, old or dirty spark plug can cause the engine to misfire. If your check engine light is constantly flashing, please contact our team of automotive ... While something like a loose gas cap (a common cause behind the check engine light) can be fixed easily, other issues (faulty sensors, old spark ... This can precisely be the cause. A faulty, old or dirty spark plug can cause the engine to misfire. If the problem is completely ignored or you continue to ...