1994 Ford E-350 Econoline XL 5.8L Sever pinging under load
Open loop fuel system goes completely lean under load and
engine pings badly, fine in closed loop. O2 sensor goes
flat line during that time, but works fine other times.
Customer claims it started after replacing PCM the first
time.
FIX posted 6/21/2012
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Message Closed w/FIX
Vehicle Data1994 Ford E-350 Econoline XL
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Message Closed w/FIX
Vehicle Data
1994 Ford E-350 Econoline XL
VIN | 1FBHE31H8R |
Engine | 5.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Sever Pinging Under Load |
Conditions | Lean |