2003 Audi A4 Quattro Q&A
2003 Audi A4 Quattro Question: Spark Plugs
I ran in to a similar question when I was servicing my younger brother's Audi A4. The owner's handbook was not very helpful when identifying spark plugs or transmission and differential fluids that were readily available. Everything said see dealer for current recommendations. I dislike Bosch Platinum, and Autolite plugs,I like NGK, and Denso. Advanced Auto probably have the correct - patrick mannion
I would urge you to use the dealer supplied genuine part. Usually manufactured by NGK or Beru. Various issues related to cold start/performance and misfires are related to aftermarket spark plugs. This statement is based on years of experience. - spyder
http://www.a4mods.com/index.php?page=webcontent/pages/copperplugs.html&category=1 follow this link these guys know what they are talking about. I use the NGK spark plugs like they do and have had great success! - brentwootton
An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light. Vehicles equipped with spark plug wires may also develop a m...
when to change spark plugs
After three service visits, it's still doing the same thing...had a loose spark plug code: P0301 fixed, a vacuum leak, diagnostics on battery (would't turn over but I cranked it about 10 times prio...
Typically happens when you're trying to accelerate quickly. The check engine light, which is already on, flashes when the engine starts to sputter and shake at the acceleration. The sputter goes aw...
All of a sudden, my Audi is hesitating, bucking and it feels similar to when you turn the AC on...when the compressor comes on it lurches a little ...and then after driving awhile it will stall at ...