Car will not go faster than about 5 miles an hour. on 2005 Volkswagen Jetta

No codes or anything comes up to tell us what it might be.

by in San Diego, CA on September 02, 2012
1 answer
ANSWER by on September 02, 2012
codes never identify bad parts, just failed systems. look at basics first. fuel pressure, cat converter back pressure among others. start here first. Roy