go-tech ecu CPS bad interfirence HELP
28-12-2009, 04:31 PM
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go-tech ecu CPS bad interfirence HELP
plumed my gotech ecu into a zetec today but when cranking i get very bad interfirence ive tryed every think i routed the feed cable well away from the coil pack and ht leads and as far away from the started and its loom (bairing in mined the cps is behined the starter)
any idears peeps?
also when the engine is at tdc can some one comfirm that the cps is inline with the 9th prong befor the missing tooth on the flywheel
any idears peeps?
also when the engine is at tdc can some one comfirm that the cps is inline with the 9th prong befor the missing tooth on the flywheel
Last edited by clarke5700; 28-12-2009 at 04:35 PM.
28-12-2009, 05:46 PM
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what starter motor are you using
as if its like the diesal ones then they work on a pulsing system which will interfere when cranking
i had this on my van which i converted to ofac fiesta turbo but the fault was: taking ages to start
as if its like the diesal ones then they work on a pulsing system which will interfere when cranking
i had this on my van which i converted to ofac fiesta turbo but the fault was: taking ages to start
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28-12-2009, 06:11 PM
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yes i used the loom that jamsport supplyed and it is shilded cable the started is a standard fiesta si one and the feed cable goes no where near the alt and if far as posible from the starter
28-12-2009, 06:15 PM
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28-12-2009, 06:19 PM
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Its been a while since I looked at a 36-1 set up myself but from memory, the teeth are 10 deg apart with the missing tooth at 90 degrees BTDC so 9 teeth sounds right to me.
Disconnect the coil primary and the injectors and try cranking to see if the readings settle down.
if they dont, I reckon you have a wiring and/or configuration problem.
28-12-2009, 06:22 PM
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Its been a while since I looked at a 36-1 set up myself but from memory, the teeth are 10 deg apart with the missing tooth at 90 degrees BTDC so 9 teeth sounds right to me.
Disconnect the coil primary and the injectors and try cranking to see if the readings settle down.
if they dont, I reckon you have a wiring and/or configuration problem.
Disconnect the coil primary and the injectors and try cranking to see if the readings settle down.
if they dont, I reckon you have a wiring and/or configuration problem.
28-12-2009, 06:35 PM
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is the shield on the Crank sensor wire earthed at the ECU end (only apparently 
not sure why that makes a difference.. Simon might be able to say?? )
not sure why that makes a difference.. Simon might be able to say?? )
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