what kind of problems can cause a misfire of #4 and #5 cap and rotor

Asked by May 24, 2013 at 10:49 PM about the 1998 Chevrolet Blazer 4 Door LT

Question type: Maintenance & Repair

check engine light comes on and off. Put on scope and  remarks were  Carbon tracking--misfire #4 and #5  Need cap and rotor

4 Answers

replace the cap and rotor.

1 of 1 people found this helpful.
35,545

And wires and plugs and fuel filter and air filter and pcv valve. If the cap and rotor are worn then it's time for a tuneup

2 of 2 people found this helpful.
16,445

A crack or carbon deposits in the distributor cap can cause the miss-fire. They are a cheap product. Replace them, the rotor and points. Think of going to a pointless/transistor style replacement. IF you have a good mechanic, have him check the wires and plugs also. Maybe time to replace them too for good measure.

1 of 1 people found this helpful.
71,655

Yup, time for a tune up. Plugs, wires, cap, and rotor. - Jim

1 of 1 people found this helpful.

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