i have a 98 Z34 chevy monte carlo with 139,000 miles. when i apply the gas my car stutters and i loose my RPMs and power. I have replaced the ignition coil, crankshaft position sensor and spark plugs. What now???

10

Asked by Aug 08, 2012 at 05:47 PM about the 1998 Chevrolet Monte Carlo 2 Dr Z34 Coupe

Question type: Maintenance & Repair

5 Answers

17,945

Fuel issue. I would do a preasure test and see key on engine off psi and see how it holds pressure after the key is off. However a cheap and easy guess would be fuel filter, good to change those every now and then anyhow.

3 out of 3 people think this is helpful.
10

changed the fuel filter also, when iam driving the car shuts off so as iam driving i slid it into nuetral and restart the key and it does start rightup. ???

1 out of 1 people think this is helpful.
17,945

If you could still check fuel pressure that would be great. The pump may not be what it used to be. Does it have a problem with a specific rpm or is it more like it doesnt run well under a load?

6,955

next , change the ignition module under the ignition coil. also, the fuel filter to be safe.

1 out of 1 people think this is helpful.

Check the throttle body.

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