mech5107 Posted October 29, 2011 Share Posted October 29, 2011 Well, maybe this is tricky...I have a ep70 with 2etelu engine. It's generally stock (HKS intake, 0,8bar boost, iridium plugs).The problem is that i have a strange error in the ecu diagnostics. It's 51 but it only happens once. Letâ??s say i erase everything and check, there is no error (constant blipping).If i just press the gas pedal, it gives me instantly a 51, but only once.What is the problem?I calibrated the tps with 20 and 28 feeler gauges, as the guide in GTT, but didn't solve the problem. Quote Link to post Share on other sites
Texx Posted November 4, 2011 Share Posted November 4, 2011 That's normal. Code 51 flashing confirms the TPS idle switch is open when the pedal is pressed. If 51 was constantly flashing without pressing the pedal, then it would indicate a fault with either the TPS or wiring beteen the TPS and ECU, or worst case scenario a faulty ECU. Quote Link to post Share on other sites
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