Thread: D1 Rough Running

I had a similar problem, engine was running very rich, everything else was fine apart from sooting up the plugs, and it wanted to stall when I put it in reverse. It turned out to be the fuel pump, the theory is that the pump wasn't delivering enough pressure so the spray pattern was bad and it wasn't buring correctly.

Whats the top end speed like ? After I replaced the fuel pump, the fuel regulator died 200km later and it was running very rough after that, top speed was about 80km/h, it was like having a diesel.

Try pulling the plug off the AFM while the engine is running, I think if the engine cuts out then the AFM is working.

Before you do anything else try this. It may be all it needs. No, really.

Remove the AFM multi- plug.

With some pointy nose pliers, give each of the male flat pins on the AFM a gentle slight twist.

Spray the pins & females with electrical contact cleaner.

Replace the plug securely & go for a drive.

Report back here.

Also could be the water temp sensor for the ECU having a dirty connection or faulty.
I think this is the most likely.
Check that the resistance across the two terminals is about 200-400Ohms at operating temp, that is if you haven't put in a cool thermostat.LOL
Sometimes you find just taking off and replacing the plug fixes it.
It is the sensor with the injector plug on the RH front of the manifold behind the thermostat.
If you have put in a cool thermostat or your water temp gauge is reading low replace with an 88c thermostat.
Regards Philip A

Originally Posted by 4bee

Before you do anything else try this. It may be all it needs. No, really.

Remove the AFM multi- plug.

With some pointy nose pliers, give each of the male flat pins on the AFM a gentle slight twist.

Spray the pins & females with electrical contact cleaner.

Replace the plug securely & go for a drive.

Report back here.

X2 also check that the wires arn't broken in the lead