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Paul Stratis
Guest
:hit: I have owned my vr v8 since new. It has 130000kms on clock. It has no engine modifications.Last week it developed a flatspot on acceleration when mainly cold but may also idle lesser when the airconditioning is on. At times it will cough through the throttle body. The engine dose not misfire and performance is not affected. Adout 6 months ago the coil body cracked. I replaced it and also decided to replace all leads, rotor, distridutor cap, etc. I checked the throttle body and idle valve, all ok and cleaned. The engine dose not blow smoke. Could this possibly be a map sensor or running lean problem. Any advice or past experiences would be helpfull.