94 runs like ignition miss


Joined
Jan 16, 2020
Messages
3
Reaction score
0
Points
1
Age
55
Location
California
Vehicle Year
1994
Make / Model
4.0 ranger xlt
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Automatic
2WD / 4WD
2WD
Total Lift
0
Total Drop
0
My credo
Retired ASE Smog repair tech
High voltage 4.12v from maf sens ,no reading from egr vac sensor CODES 157 158 335 ,need direction on wire diagram, back probe wire harness for grounds, and typical voltage readings on sensor connections egr vac , air vane temp , tps ect,i no longer have access to mitchel on demand. truck runs ruff stalls , seams to have miss on #4 cyl may be separate issue. no misfire codes. i just registered this morn as member
 


Rock Auto 5% Discount Code: CFB3B5F7F32B37 Expires: March 30, 2020

RonD

Well-known member
Joined
Jun 2, 2012
Messages
14,588
Reaction score
1,209
Points
113
Location
canada
Vehicle Year
1994
Make / Model
Ford
Transmission
Manual


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