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Intermittent loss of power

Posted: Mon Nov 11, 2019 5:54 pm
by Braiden
Hi everyone,
I've had a problem losing power when in 3/4/5 gear and worse under load. Problem only slightly exists when in neutral which leads to believe a fuel problem. It happens between 2000/3500 revs and can sometimes feel like the cars in limp mode and barely gets over 80km then leaps forward and barely gets over 100km then is good from there
I've changed fuel filters and ford currently has a warranty claim in for it and have changed the intank pump which feels like its made things worse

No DTC at all coming up, tried all the tests in forscan without any luck

My next thoughts is the suction control valve on the fuel pump however it goes into ford again friday for them to re diagnose.

Has anyone had any similar problems?
Ive attached a few videos of me stalling second gear and the problem persisting as well as vcvdc% which seems to go down when the faults happening



Re: Intermittent loss of power

Posted: Wed Nov 13, 2019 8:18 am
by saeb
Something else you may have missed? Temp gauge is crazy also, add this to your monitoring.

Only stalling I had was the SCV but it would do it from idle in nuetral.

Re: Intermittent loss of power

Posted: Wed Nov 13, 2019 4:58 pm
by Braiden
Engine oil was already at 60 od degrees on the scan gauge that’s why it went up so quick and I was stalling it out in second gear foot on the brake
I had been monitoring the transmission and t/c for slipping and had seen the pressures drop when the fault would occur but ford brushed me off on that one saying it’s more of a misfire, however it barely occurs when not in gear