Danger Mouse
New Member
Back to the forum with another problem... kinda forgotten I was a member...
So been trying to track down a long-term issue, where the engine will just randomly die while driving. Does it at any revs, any speed and the rev counter immediately drops to zero. Often it will recover itself, as it's only a temporary cutout, but sometimes it takes a bit longer to recover and I end up on the side of the road trying to restart it. When it is really bad, it will cough back into life, then just die again, but usually it eventually fires and I can continue driving for a while (it will come back quickly when it's at it's worst).
I've had 3 auto sparkies look at it, nothing obvious. I thought it might be the crank angle sensor, but I have put in a known good one and it still does it. Have also swapped out the AFM for a known good one (didn't think that was the issue, but it was cheap), as well as replaced all the leaky caps in the ECU (none were showing signs of leaking, however).
As I continue to work through replacing bits, maybe someone on here has some suggestions. What ever is causing it, it's creating a total loss to the ignition system, hence the dead rev counter (I can coast in gear, so I know the engine is turning over, but the rev counter is on zero). I have read somewhere that if fuel pressure drops below a certain level, it cuts the engine to protect it from fuel starvation damage, so next on the list is replacing the external fuel pump (that is noisy as anything, so I can certainly hear it working, but that doesn't mean it's working efficiently).
Any ideas? I can't trust the thing as it is, although I drove it for 2 hours last weekend non-stop and it didn't even cough once. My journey to work this morning (stupidly thought it was behaving after last weekend) it was cutting out regularly. Stupid intermittent fault...
So been trying to track down a long-term issue, where the engine will just randomly die while driving. Does it at any revs, any speed and the rev counter immediately drops to zero. Often it will recover itself, as it's only a temporary cutout, but sometimes it takes a bit longer to recover and I end up on the side of the road trying to restart it. When it is really bad, it will cough back into life, then just die again, but usually it eventually fires and I can continue driving for a while (it will come back quickly when it's at it's worst).
I've had 3 auto sparkies look at it, nothing obvious. I thought it might be the crank angle sensor, but I have put in a known good one and it still does it. Have also swapped out the AFM for a known good one (didn't think that was the issue, but it was cheap), as well as replaced all the leaky caps in the ECU (none were showing signs of leaking, however).
As I continue to work through replacing bits, maybe someone on here has some suggestions. What ever is causing it, it's creating a total loss to the ignition system, hence the dead rev counter (I can coast in gear, so I know the engine is turning over, but the rev counter is on zero). I have read somewhere that if fuel pressure drops below a certain level, it cuts the engine to protect it from fuel starvation damage, so next on the list is replacing the external fuel pump (that is noisy as anything, so I can certainly hear it working, but that doesn't mean it's working efficiently).
Any ideas? I can't trust the thing as it is, although I drove it for 2 hours last weekend non-stop and it didn't even cough once. My journey to work this morning (stupidly thought it was behaving after last weekend) it was cutting out regularly. Stupid intermittent fault...