1992 Volkswagen Truck poor acceleration

DOUG GLPVER

MEMBER
1992 VOLKSWAGEN TRUCK
4 CYL
FWD
AUTOMATIC
285,000 MILES

My vehical will get up to speed if I am patient. When I accelerate the engine, the vehicle slows down significantly. What may be the problem/solution?

Friday, April 23rd, 2010 AT 9:24 AM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

Hi Doug Glpver, Welcome to 2carpros and TY for the donation.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.