- Renault 5 '94 M reg 1.4 SPI Siemens Light throttle missfire Archived Message
Posted by Stuart MacKinon
on September 7, 2004, 2:31 pm
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Hello, starting to get tired, this problem only starts when the vehicle gets up to running temperature, as you drive, only at light throttle the vehicle will jerk and missfire, when the revs are also brought up and held whilst in the workshop you can hear a poping and missing from the exhaust. Emmision have been checked - lambda on 1, no air leaks present, thought at this stage perhaps its a ignition issue. Plugs replaced no effect, timing check which is non adjustable set at 14-15 degrees (is this the norm?) does seem to be advancing up as you rev engine. Didn't seem to be getting a reading fromt the knock sensor/crank angle on live data (KTS 550), carried out resistance check over sensor, didn't aquire the correct reading, sensor replaced - vehicle still the same. Thottle switch, coolant sensor lambda switching all live data seems ok, have got one fault code which is the lambda sensor it refuses to clear??????? Any help Thanks chaps in advance Stuart |
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