Mystery misfire
Well, for the first time in nearly forty-odd years of motoring, yesterday I broke down. After queuing through some road works for about 15 minutes the Marlin started to misfire. It would idle OK - but as soon as I tried to apply the power it would misfire and grind to a halt. Eventually I pulled in to the verge and called the RAC as I didn't fancy diagnosing the problem at the side of a very busy and narrow A road.
The symptoms were quite odd. It would start and idle fine but as soon as I tried to pull away it would cough and die. Although I had been in a traffic queue the engine temperature had barely rose above normal. Of course by the time the RAC turned up the fault had completely disappeared and the RAC man was as baffled as I was.
Any clues anyone? I wondered about a vapor lock in the fuel system. Is that possible with fuel injection? Or perhaps the air flow meter?
All suggestions gratefully received!
Cheers, Robin
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