4HL1 engine - vehicle does not accelerate after 2000rpm

Tiny
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

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 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.
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Thursday, February 20th, 2014 AT 5:55 AM

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