About every 6 months or so, the check engine light comes on. Generally, it has been the #3 cylinder and has been since I've owned the car - I bought it new. It has always coded as a misfire in the #3 cylinder. At one point, a dealer rebuilt the entire engine, gave me a new computer for the car. The field rep was ready to inspect my car because the dealer could not diagnose the problem - since that point, the check engine light has always been for the #3 cylinder. However, this time, the dlr (an new dealer, since I've moved) said it was the high pressure fuel pump; has a small leak; leaking fuel into the "crank shaft". How do I know? This car has been a nightmare to maintain since I bought it. Cost to repair is over $1200; the part is $850, which I've already paid - the dealer makes you pay up front for all parts.
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