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99 5sfe stuck injector, lots of white smoke.


R31

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#2 is ****** fuel into the cylinder while #3 has a weak pulse and they share the same coil pack. I replaced both packs anyway and tried another ecu but nothing. Also noticed fuel dripping from exhaust flange near the motor since this all started today, would this make it run like **** aswell? Any ideas before I suck it up and take it to the auto elec?

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Ended up finding the injector wiring had split and shorted from rubbing behind the manifold somehow, eventually killing the injector. Ever heard of that happening on this series Trent?

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  • 2 weeks later...

"Ended up finding the injector wiring had split and shorted from rubbing behind the manifold somehow, eventually killing the injector. Ever heard of that happening on this series Trent?"

I am curious about this as I would have expected that a shorted wire (most likely unsupported as Trent asked) would have damaged the output stages of the ECU and not the injector.

After all, the injector is just a coil driven device activated by an impulse from the ECU output, is it not? A short circuit across a coil does nothing adverse.

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  • 4 weeks later...
On 13/12/2015 at 8:30 AM, Jim. said:
On 30/11/2015 at 5:53 PM, R31 said:

"Ended up finding the injector wiring had split and shorted from rubbing behind the manifold somehow, eventually killing the injector. Ever heard of that happening on this series Trent?"

I am curious about this as I would have expected that a shorted wire (most likely unsupported as Trent asked) would have damaged the output stages of the ECU and not the injector.

After all, the injector is just a coil driven device activated by an impulse from the ECU output, is it not? A short circuit across a coil does nothing adverse.

You're 100% right, the injector was fine once the wiring was fixed. The auto elec insisted it was stuffed for some reason.

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