Unveiling the Check Engine Light's Hidden Truths Could Spark Plugs Be the Revelation?

Worn spark plugs and plug wires can cause clogged catalytic converter or damage to ignition coils and O2 sensors, extensive to more expensive repairs. Your mass ... It's important to note, however, that spark plug and ignition coil issues can only cause the check engine light to come on in gasoline-burning vehicles, as ... And now that we have computer-controlled systems, your vehicle comes equipped with either one ignition coil for each spark plug or every two ... 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 ... I've had my Check engine light on for a couple of months. I took it to the dealer and was told that it was code P0171 - System Too Lean - Bank No. 1 (and ... When you start any vehicle without something plugged in, your definitely without a doubt going to receive a check engine light as the PCM is detecting some ... 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 ... Failing spark plugs can cause the car engine to misfire and thus affect its performance. ... Have the car checked at any auto repair shops and replace the plugs ... A damaged, old or dirty spark plug can cause the engine to misfire. If the problem is totally ignored or you continue to drive, this can spread to the spark ... So here are some questions: 1. What is the EGR valve and what does it do? 2. What is the condition/color of the old plugs indicitive ...