Plugs are new, along with the IAC, distributor, rotor and camshaft position sensor. I replaced the Injectors and they were the cause. One of them was leaking. Thanks guys.
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Plugs are new, along with the IAC, distributor, rotor and camshaft position sensor. I replaced the Injectors and they were the cause. One of them was leaking. Thanks guys.
Unfortunately, the vacuum lines are completely intact. I have no idea where to look next.
So my XJ has had the most annoying, tiny, rough idle for the past few months and I can't fathom why. Runs fine (although the hole in the exhaust causes terrible gas mileage and is NOT the cause of...