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sapp cos wont start

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Old 13-05-2012, 09:29 PM
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ballbag42
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Default sapp cos wont start

hi guys got a 1990 4x4 with l8 ecu 330 set-up just been restored but fails to start it has no power to the fuel pump and no spark any ideas checked that the wiring to pumps fine and checked pump works with seperate power supply also have a power supply to the coil bit stumped really thought it might have been either the immob or alarm fault but isolated each one and still nothing is there anything in between the ignition and ecu that might stop both items?
Old 14-05-2012, 03:19 PM
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From my research over the years on PF it sounds like it maybe a crank sensor problem . Have a search on here if needed as its a commonly discussed issue.
A re-wire of the fuel pump is a popular mod if not already done.
Old 14-05-2012, 03:31 PM
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Start by looking at your CPS and that the ECU has power.

The coil has an independent switched feed, hence that has power.

Martin
Old 14-05-2012, 08:36 PM
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ballbag42
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cheers guys i will do the ecu does have power so i think cps will be a good bet thanks
Old 22-05-2012, 05:44 AM
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Originally Posted by ballbag42
hi guys got a 1990 4x4 with l8 ecu 330 set-up just been restored but fails to start it has no power to the fuel pump and no spark any ideas checked that the wiring to pumps fine and checked pump works with seperate power supply also have a power supply to the coil bit stumped really thought it might have been either the immob or alarm fault but isolated each one and still nothing is there anything in between the ignition and ecu that might stop both items?
Does the engine turn over but fail to start

On the late 4x4 cosworths there is a fuel cut out switch in the drivers side kick panel








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