I have a 95 JGC 4.0, i just replaced the CAT and now my check engine light is on.

5

Asked by Feb 23, 2014 at 02:32 PM about the Jeep Grand Cherokee

Question type: Maintenance & Repair

I went about 3 years without a CAT and i just put one back on it and the check engine light comes on after the engine warms up.
Please help.Could it be the O2 sensor?

2 Answers

1,250

it could be a lot of things, with a scanner what is the code.

155

Take it to almost any car part store (i.e. autozone) and they will check the error codes and give them to you for free. That's always a good place to start.

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