I blew, what I believe, is the fuel pump/0-2 sensor fuse twice now. I had it in to my mechanic and he said the wiring to the fuel pump looks fine. Any ideas? Unfortunately I don't have an owner's manual, and the vw dealer wants me to buy one for $100! I don't have it, so I'm stuck! Help! Thank you...
Fuse keeps blowing on 1995 Volkswagen Golf
by 222lynn in Gig Harbor, WA on January 28, 2009
ANSWER by Bret Bodas on January 28, 2009
Are you blowing fuse #18, 20 amp? My guess without seeing the vehicle is that the heater element in the O2 sensor is where the fault lies. You can try disconnecting the O2 sensor and see if the fuse still blows, this may set the check engine light though. If the fuse doesn't blow, then the O2 sensor will need replacement.
Electrical issues that are difficult to diagnose—and sometimes intermittent—are typically due to ground wiring issues. The most troublesome ground locations are under the battery or a...