cossie over fueling too much
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hi
i have a sierra sapp cossie recplica engine was running well when it was on the other car now its over fueling too much .any hint with this? please
don't know i sure i made all the wiring good the olly plug that i didint find where to plug it is a white plug intake manifold side near the gearbox side does it have something to do with this?
10x rick
i have a sierra sapp cossie recplica engine was running well when it was on the other car now its over fueling too much .any hint with this? please
don't know i sure i made all the wiring good the olly plug that i didint find where to plug it is a white plug intake manifold side near the gearbox side does it have something to do with this?
10x rick
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If the white plug goes to the distributor so you don't have the phase signal it will over fuel massively.
The plug that goes to the side of the intake plenum is brown for the air temp sensor.
I would if it's not new fit a new coolant temp sensor, at rear of head below inlet, a blue sensor, next to a 1/2" water pipe.
tabetha
The plug that goes to the side of the intake plenum is brown for the air temp sensor.
I would if it's not new fit a new coolant temp sensor, at rear of head below inlet, a blue sensor, next to a 1/2" water pipe.
tabetha
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yeah cossie loom (webber ecu) the plug in at the rear not near the distributor , the distibutor plug is connected ok i tried it on 1 bar fuel pressure and still the same 10x for helping btw
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fuel presure is 3 bar. relay he said is like a regulator . when the engine is running idle it will send less fuel ..... the engine is over fueling badly that it wil need to take plugs out to restart bores get flooded hope this helps
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Hmm wouldn't let that mechanic near my car! Fuel pump relay is switched on/off by the ecu (pin 28), it doesn't send a variable voltage to it, it simply earths the relay.
Is your tps connected? Or as mentioned above the ect sensor (blue) might need replacing or plug to it maybe faulty, if the ecu doesn't detect ect signal it will overfuel as it thinks it's cold so pumps extra fuel in.
Is your tps connected? Or as mentioned above the ect sensor (blue) might need replacing or plug to it maybe faulty, if the ecu doesn't detect ect signal it will overfuel as it thinks it's cold so pumps extra fuel in.
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Have you got the ICV and Cylinder 1 Injector plug the right way around? There both white and easy to get mixed up, I've done it several times!
Last edited by capriturbo; 02-12-2010 at 08:08 PM.
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He actually talking about the regulator this is a mechanical device and the only thing that can vary fuel pressure, you can see this if you look underneath the bonnet, it sits between the fuel feed and the injector rail. It increases the fuel at a 1:1 ratio.
Martin
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