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P1800 ES

posted by  Ron Kwas on  Fri Aug 23 06:26 CST 2019
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last visit: Fri Oct 24 04:03 CST 2014
[RELATED]

Rob;

"...the question is what is causing me to lose 1.5V and how do i fix??" ...10.5V could very well be the voltage Battery is dropping to under cranking load, and this is absolutely typical and normal! Repeat test while measuring voltage at Battery to confirm. ...so when bus voltage drops like that, that is all your going to see when measuring ANYTHING else in vehicle, including FI components.

" Apperas 10.5V is not enough to actuate the motor in the CSV." I expect it should be without doubt, as this (Bat V drop during cranking) is as I said: Absolutely normal!!

"I disconnect and reconnect CSV's directly to battery, the residual fuel in the valve ejects......ie both valves test good." What do you mean by "good"?...I want to hear that when it was on Fuel Rail which was charged with fuel, and CSV was powered, it squirted fuel...!

Good Hunting!






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