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The mkiv Supra Owners Club

Error Code 14 and 89


shaz2010

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Driving the car today and while on the way home it started idling funny when I pulled up to the lights, got home parked up and didn't think anything about it. Then I drove it to my mothers about 2 mile and parked it up left for a few hours and when I started up to drive back home it's idling really funny as if it's misfiring badly! Checked the codes and I'm getting error code 14 from my engine management light and 89 from my od light ! Any help on this there's been no problems or any signs what so ever previously. Driving it back home it feels like its misfiring and has a dodgy idle. That's all I can explain.

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Code 14 is an ignition signal. As its misfiring check the all the good stuff, coil pack clips, coils, ignitor.

 

Code 89 I think is a gearbox speed sensor. Best thing to do is take the battery off for an hour to reset the ECU and clear the codes, go for a drive and pull the codes again

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