WHILE DRIVING MY RODEO AND I HIT THE GAS TO GET ...

1996 Isuzu Rodeo

Tiny

brandon1976

April, 22, 2011 AT 10:09 PM

While driving my rodeo and I hit the gas to get into passing gear, it will start sputtering and stalling and back firing. Then eventually it will get so bad that it wont have any power to get up the hill. I changed plugs, fuel filter, air filter. I did take off the mass air flow sensor and blow it off with canned air and put chemtool b12 in gas tank. It was fine fine for a few weeks and then last night I let my gas get down to an 1/8 of a tank. It started it again. I bought 2 cans of sea foam and put on in the gas tank and the other in the vaccuum line. Still no change. Now what?

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2 Answers

Tiny

rasmataz

April, 22, 2011 AT 10:11 PM

Lack of acceleration, chugging, hesitating********, bogging, misfiring etc. Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note: If it doesn't apply disregard it and keep testing.

Tiny

brandon1976

April, 22, 2011 AT 11:27 PM

How can I tell if the coil packs are bad? I have new plugs in it.

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