Quote:
Originally Posted by Blacky
Sounds like an ignition coil problem. I had a similar issue. The misfire is worse under load and when the engine is hot.
Try disconnecting one fuel injector at a time until no difference is felt. This should tell you which coil is bad.
Any regular OBD 2 scanner will give you a misfire code if the check engine light is on.
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But would a failing coil cause this severity of jerking? The whole car jerks as though all 6 pots are stopping and starting simultaneously. My UK model is OBD 1, not OBD 2 and the only historic code showing on manual analysis was TPS so replaced TPS. Another thought is fuel starvation when the engine is hot and the throttle is depressed from cruise to accelerete.