What are the problems with a VW ignition coil?
Potential problems from a faulty or failing ignition coil are: startup issues, loud engine cranks, backfires, stalling, engine hesitation, decreased fuel economy, increased emissions or engine fires! Engine problems are always dangerous and can leave driver’s in a vulnerable position. NHTSA Investigation on VW Ignition Coils
What does the EPC light mean on a VW?
What does the EPC light mean? The EPC warning light is a warning light that indicates a problem with your throttle system, including the throttle body, accelerator pedal, cruise control, or traction control. The Volkswagen EPC light often shows up with the Engine, ABS, or ESP Light, depending on where the problem is located.
What are the symptoms of a faulty ignition coil?
Symptoms of a Faulty Ignition Coil. Potential problems from a faulty or failing ignition coil are: startup issues, loud engine cranks, backfires, stalling, engine hesitation, decreased fuel economy, increased emissions or engine fires! Engine problems are always dangerous and can leave driver’s in a vulnerable position.
What does misfire code p0303 mean on VW TSI?
What you want to do is take the ignition coil from any other cylinder, say cylinder 3, and swap it with the coil in cylinder 2. If the misfire code moves the new cylinder (P0303), that means it’s a bad ignition coil. If the misfire stays on cylinder 2 (P0302) that means it is not the ignition coil.
What happens when the throttle body goes bad?
Nowadays there is an electric system that’s far more efficient than the old ways but it can still have issues. When a TPS goes bad, then the car’s throttle body won’t function properly. It could either stay shut or it won’t close properly which is a severe issue. If it stays shut then your engine is not going receive air and it won’t start.
What causes the throttle to be low at idle?
It can cause the RPM to be so low at idle so that the engine will die. This is often caused when there comes a lot of soot and dirt on the throttle body flap, which will cause less air entering the engine and therefore cause a low idle RPM.
What causes a misfire on the throttle body?
Misfires are easiest recognized as small bumps when you are revving the engine. The throttle body controls the engine’s idle to make sure it is always holding a steady RPM. If there is a problem with the throttle body, it may cause the be way too high.