2006 Audi A3 2.0T "coil light" Questions

... any ideas have you tried cleaning out the throttle body as i had a similar problem and this worked Coil packs and coil wiring harness are very temperamental on the audis check coil pack wiring ...

...mount(s). This could cause the vibration. Check engine light on? if so, I would check plugs and coils. Next I would go after the harmonic balancer. Along with checking

to mind that can be checked and not cost anything relays go faulty [starter] when warm and ignition coils do the same and when they cool down they function ok vapour lock caues the same problem but is

...to the coil packs are tan/light green and tan/light blue for one coil pack.----------------------------------------------------------------------------------------- ELM 327 1.5V USB CAN-BUS ...

...coil is open Coils are ground controlled. Hook a test light to the other wire and the other end of test light to battery positive and have someone crank over engine to see if the test light blinks on ...

...coil light up brightly with a test light, it is my under standing that the negative side should not light up. Before my jeep stopped starting I had driven it into the garage and just turned the key ...

...light at the coil to check for voltage at the coil. If you don't have a test light, you can buy one at a parts store for a few dollars. Connect the test light clamp to engine ground and touch the ...

coil is good, suspect the crankshaft position sensor is bad or loose. I'm assuming your engine light is off, but the sensor can fail without setting the engine light. If the engine light is on, see if

light at negative side of coil and then to ground.crank the vehicle if light flickers its ok if not its your culprit. Should light flicker then test its the wires from coil to distributor, distributor

...your battery. I would get your alternator checked first. I hope that helps. Caid. Try the ignition coils and spark plugs. I was having the same problem and they replaced that and now the car seems ...