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 , 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