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1999 Ford Ranger XL 2.5L Surge
Posted to Ford Driveability on 9/9/2005 6 Replies

This truck has an occassional increase in idle speeds by 100-400 rpm. The tps signal, ground and v-ref wires all have about an 800mv. spike on them from high to low. When veiwing the waveform it looks like an ignition coil current ramp, and the pattern is cong...

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Message Closed w/Summary

car Vehicle Data

1999 Ford Ranger XL

VIN 1FTYR1OCOX
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Idle
Message Closed w/Summary

car Vehicle Data

1999 Ford Ranger XL

VIN 1FTYR1OCOX
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways, Idle