96 3.9L 2500 Ram Van TPS?


acdoctor
10-22-2009, 05:39 PM
I am having lost of power during acceleration.
I have ohmed out the TSP and the ohms move up without any missing.
Can the TSP still be bad?
Or is there another problem?

The_Mechanic_33
10-22-2009, 05:45 PM
What made you test the TPS?
Is the engine light on?
Do you have any codes?

alloro
10-22-2009, 05:53 PM
I have ohmed out the TSP and the ohms move up without any missing.
Can the TSP still be bad?
Or is there another problem?

It's not likely the TPS is bad if it ohmed out okay.

acdoctor
10-22-2009, 05:57 PM
No codes
Engine light is not on.
Just thought it may be the TPS

The_Mechanic_33
10-22-2009, 06:22 PM
When was its last tune-up, (i.e. Plugs,wires,cap,rotor,fuel filter?)
Check for a misfire,fuel pressure,air filter.

acdoctor
10-23-2009, 10:23 AM
Plugs, cap and rotor as well as air cleaner have been changed.
I also replaced the fuel pump.
Before replacing the fuel pump the van would run for about 5mins and them backfire thur the intake and then die.
Replacing the fuel pump has stopped the backfiring and the engine dieing.
I now have the problem of the engine losing power during acceleration.
It only loses power for a few seconds.

alloro
10-23-2009, 02:36 PM
I would replace the crank sensor. The crank sensor controls spark and ultimately the timing for spark advance. Also, a bad crank sensor does not throw a trouble code. And before you ask, yes, an engine can still run with a bad crank sensor.

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