4HL1 engine - vehicle does not accelerate after 2000rpm
2006 ISUZU TRUCK
4.0L • 4 CYL • TURBO • RWD • AUTOMATIC
VINEN
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vehicle does not accelerate after 2000rpm, what can be the problem?
Feb 20, 2014 at 12:19 AM
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WRENCHTECH
CERTIFIED EXPERT
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.