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92 940GL no start problem 900 1992

Hello,

Good to know the CPS is within specs and injector is 'clicking'.

So fuel is getting into the rails but still no start. Check your fuel pressure regulator (FPR). Pull out the vacuum hose attached to its back. Is the hose's inside wet (with fuel)? Normally it should be dry.

The FPR builds up the fuel pressure in the rails. Its unusual for the FPR to fail in opened state (i.e broken inside spring). Usual failure mode is fuel leak thru its diaphragm.

Hope this helps,
Amarin.

EDIT: Verify the injector is clicking by putting hand onto it. You could be hearing the valves opening/closing sound instead. Better option is to put LED bulb (aka the 'noid light') into the injector's electrical plug to see it flash during cranking.






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New 92 940GL no start problem [900][1992]
posted by  opsman  on Thu Oct 16 15:50 CST 2014 >


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