1999 Vauxhall Astra help me please

Car: Vauxhall Astra
Year: 1999
Variant: 2.0 dl16v
Categories: Engine & Drivetrain
had a code reading done to day dose any one know what they mean and what do i do to fix this problem? p1120 critical system malfunction p1631 injection pump malfunction p0400 critical system malfunction p0725 engine r.p.m thanks......
Posted: Apr 13, 2011 (13 years ago)
p0120 throttle position sensor circuit 1 voltage high
p1631 replace control unit injection pump
p0400 exhaust gas recirculation flow excessive detected
p0725 engine speed sensor input circuit signal range/performance (overspeed)
Posted Apr 28, 2011 (12 years ago)

This problem is archived

If you're having a similar problem please click below to re-post this problem, you can then customise it to suit your situation.

Join the community
Got a question? Can you answer other questions here? If so please...
More problems with the 1999 model year Vauxhall Astra

We have 71 problems and solutions in our database for this model year of the car.

View all Vauxhall Astra Problems