1993 Ford F-150 Repair Question
Topics covered: Sensor, Compression, Compression test.
Mileage: 1,000 miles.
Mileage: 1,000 miles.
Asked on March 9, 2012
Idles rough sometimes even surges new long block
Have diagnosed emission system Christian brothers says everything ok
New exhaust system
New fuel pump, selector switch, and float sending unit
Compression test both types example 150/60
New air charge temp sensor
New HEGOS sensor
New idle air control valve
I get DTC code DTC42 and DTC77 when performing KOER test with ODB1 tester
DTC42 says voltage is high
New exhaust system
New fuel pump, selector switch, and float sending unit
Compression test both types example 150/60
New air charge temp sensor
New HEGOS sensor
New idle air control valve
I get DTC code DTC42 and DTC77 when performing KOER test with ODB1 tester
DTC42 says voltage is high
Asked by JSRoethAnswer
Replied on March 9, 2012
DTC - 42 Ignition bypass circuit error-also go this links: http://www.2carpros.com/articles/engine-misfires-or-runs-rough
