Hi Dave,
I can answer your questions using RAVE (I don't have a 1.8).
Quote:
Originally Posted by gliderdoctor
Where is the crank sensor?
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It's mounted on the front of the gearbox housing in line with the flywheel.
Quote:
Originally Posted by gliderdoctor
What does the crank sensor actually do once the engine is running?
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It enables the ECM to control ignition and fuel injector period and timing. If the signal is missing, the engine will stop running.
Quote:
Originally Posted by gliderdoctor
I understand the crank and cam sensors inform the ECU of the crank and cam positions for the timing, etc, for engine starting, but what do they actually do once the engine is running?
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The camshaft position sensor (CMP) is also required by the ECM to complement the data from the crankshaft position sensor. If its signal is missing the engine will still run but with a reduction in performance and driveability.
By the way, your profile says that you have a diesel.
If it's out of date, can you change it please?
Simon