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1991 Ford F-250 XLT Lariat 5.8L Hesitation, Stall
Posted to Ford Driveability on 12/2/2009 11 Replies

This thing idles fine, the codes never returned after I cleared them. The problem persists, I disconnected the vacuum to the EGR valve & the canister purge, no change. Checked the PIP waveform, this is stepped, but that seems normal, checked the IAT (OK), I ch...

11 Replies Received (View Replies)

  Related Documents & Media  1991 Ford F-250 XLT Lariat

 
Message Closed w/FIX

car Vehicle Data

1991 Ford F-250 XLT Lariat

VIN 1FTHF26H2M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multiport fuel injection
EmissionsFed / California
SymptomsHesitation, Stall
OccursCold, Intermittently

Trouble Codes

12KOER RPM or idle speed
22KOEO on demand Baro/MAP
24KOEO on demand intake air temperature sensor
26KOEO on demand canister purge
31KOEO keep alive ECM or EGR
65KOER no closed loop
Message Closed w/FIX

car Vehicle Data

1991 Ford F-250 XLT Lariat

VIN 1FTHF26H2M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multiport fuel injection
EmissionsFed / California
SymptomsHesitation, Stall
OccursCold, Intermittently

Trouble Codes

12KOER RPM or idle speed
22KOEO on demand Baro/MAP
24KOEO on demand intake air temperature sensor
26KOEO on demand canister purge
31KOEO keep alive ECM or EGR
65KOER no closed loop