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Smog Test


sithways

New Member
Joined
Oct 28, 2016
Messages
27
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0
Points
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Vehicle Year
1993
Make / Model
Ford
Transmission
Automatic
Hello,

I have a 1993 Ford Ranger - 2.3 liter - 4 cylinder

I took the smog test today and failed. They said that my MEAS reading was too high. The highest reading aloud is 69 and my truck read at 499. That there was too much unused to gas coming out of the tail pipe.

Does anyone know anything about what this is and a possible fix?

Thank you in advanced!
 


RangerFabWorks

The O.G blackwidow67
TRS Forum Moderator
Supporting Member
V8 Engine Swap
TRS 20th Anniversary
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Messages
5,197
Reaction score
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Age
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Location
Lexington, North Carolina
Vehicle Year
1990
Make / Model
Ford
Engine Size
302
Transmission
Manual
Too much fuel in the exhaust pipe comes from a few different things

Bad plugs/wires
Faulty o2 sensors
Leaking or plugged injectors.
A bad fuel pump
Or a bad mass air flow meter

Let's start with the basics. When was the last time a tune up was done on the truck?
 

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