| Was this information helpful? Is this what you have been searching for? Why not make a small donation to help keep us going. The guys work hard everyday to try and help people like you searching for help on the web. LEARN HOW |
Vehicle make/model = 2002 Buick regal 3.8
Mileage = 65000
Engine size = 3.8
dash lights = none
codes = none
work done prior = none
work done to repair = none
tech = any
question = engine won't run over 4000 rpm with out missing. Runs good
on flats and hills as long as you keep the rpms down. Starts good.
JK:
There are several things that can cause this.
1. Low fuel pressure
2. Faulty ignition components such as coils, wires, plugs.
3. Faulty MAF sensor. Usually will have a check engine light and codes
though.
4. Plugged catalytic converter.
If the above things have been checked, then what you describe sounds like
a plugged catalytic converter. If that is the case, GM has a special policy
that may apply to your car that will replace the converter at no cost to you.
This depends on the VIN # of your car. You are within the mileage range for
this special policy, if your car is within the correct VIN # range.
Mileage = 65000
Engine size = 3.8
dash lights = none
codes = none
work done prior = none
work done to repair = none
tech = any
question = engine won't run over 4000 rpm with out missing. Runs good
on flats and hills as long as you keep the rpms down. Starts good.
JK:
There are several things that can cause this.
1. Low fuel pressure
2. Faulty ignition components such as coils, wires, plugs.
3. Faulty MAF sensor. Usually will have a check engine light and codes
though.
4. Plugged catalytic converter.
If the above things have been checked, then what you describe sounds like
a plugged catalytic converter. If that is the case, GM has a special policy
that may apply to your car that will replace the converter at no cost to you.
This depends on the VIN # of your car. You are within the mileage range for
this special policy, if your car is within the correct VIN # range.