4HL1 engine - vehicle does not accelerate after 2000rpm
VINEN
MEMBER
2006 ISUZU TRUCK
4.0L
4 CYL
TURBO
RWD
AUTOMATIC
Vehicle does not accelerate after 2000rpm, what can be the problem?
Thursday, February 20th, 2014 AT 12:19 AM
1 Reply
WRENCHTECH
MECHANIC
20,761 POSTS
The place to start would be scanning for stored trouble codes in the computer to see if they indicate anything. You might also want to test the exhaust backpressure to see if you have any restrictions in the converter.