Assuming that you have checked PCM codes and have gotten a response from PCM that no codes are present:
You might have a clogged catalytic converter. Try unscrewing the upstream oxygen sensors (completely) and driving the truck. This will set codes and turn on the check engine light but if it runs better this way it means the exhaust is restricted. Repair the restriction (usually by replacing cats) as soon as possible to minimize damage to the transmission.
It is 3.75 hours.
The driving distance is about 105 miles.
I also have a 99 Malibu it also cuts out above 4000 rpm. I checked the plugs they are all good. It is a 3.1litre any suggestions? no
The distance by road between Sedona and Durango is 342 miles.
when driving up hills at lower speed you must downshift the transmission
The driving distance is about 1,040 road miles.
The shortest driving distance is 1,960 miles.
Try the emergency break, also throw it in neautral or with a standard downshift
245 miles.
It is 215 miles.
857 miles
950 miles