My jaguar is running real ruff!?

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My jaguar is running real ruff!?

Any suggestions what to check out I have 1991 Jaguar xj6 4.0. When I stop and idle it jumps like crazy. Just had a tune up on it. I heard using a 20 50 motor oil would help a little. NEED HELP PLEASE>

2006-12-10 11:19:29 · 1 answers · asked by David R 2 in Cars & Transportation ➔ Maintenance & Repairs

was doing before tune up!

2006-12-10 11:53:48 · update #1

1 answers

If it wasn't doing it before the tune up then they didn't gap the plugs or something else that they did wrong. If it was doing it before then check the idle speed motor and run computer for codes. Sounds like standard problem though such as plugs, wires, coil, etc. Also airflow meter and air cleaner housing and hoses leading to and from the sensor, etc. Did they screw this up tuning it up????

2006-12-10 11:32:30 · answer #1 · answered by mohavedesert 4 · 0⤊ 0⤋