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[thegasgranny]

The story so far....

It's still packing up every few miles. The EML isn't on. I've changed the CAM and CRANK sensors and (purple) fuel relays.

It's now running in limp mode. If I disconnect the Lambda sensor, it appears to run as it should - but for how long, I don't know, it's not left my garage yet.

One thing is for certain, the cat is knackered! It's all burnt and most of it dropped out when I took it off. For the time being, I'm going to remove the cat altogether to see if the original problem is fixed.

It should be OK temporarily without a cat.... shouldn't it.

Cheers

TGG.

[Doodley]

try running it without the cat, I used 2 have a cavalier, it wouldnt rev above 3k, tried loads of things (even tho there wasnt anywhere near as much electronics on it) eventually took the exahast of, and the baffles in the back box had broken up so much it was blocked, with no exhaust it ran fine, and with a new exhaust it was good as new. might be worth a try just to disconnect it from the manifold maybe?

[albitz]

on the subject of the crank sensor.i dont know what the location is on the 4 pot engines but on the v6 engines the wiring runs very close to the exhaust manifold and needs to be routed very carefully otherwise the wires could be damaged by the heat.this could possibly explain it running ok for a while and then starting to play up again.

[Grumpy]

on the subject of the crank sensor.i dont know what the location is on the 4 pot engines but on the v6 engines the wiring runs very close to the exhaust manifold and needs to be routed very carefully otherwise the wires could be damaged by the heat.this could possibly explain it running ok for a while and then starting to play up again.

If you have any kind of oil seepage from the front passenger
side of the Cam Cover (quite feasible with blocking breathers),
it tracks down the cable, complete with any condensation, gets
trapped between the cable and the outer protective cover on the
last third of the cable, and collects and cooks where the cable
enters the sensor.

On mine, it had cracked the sensor where the cable entered it,
and tracked inside the sensor. That's one reason why I re-routed
it. The other was I couldn't be bothered to disconnect the power
steering pump, to move it, and follow the original route.