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2.3 stick shift


Rangerdangerrr

New Member
Joined
Sep 13, 2018
Messages
8
Reaction score
0
Points
1
Location
California
Vehicle Year
1997
Make / Model
Ford
Transmission
Manual
In the morning, the truck cranks and cranks takes a little bit to turn over and fire up, has a weird idle, little bit of hesitation while at stops in the morning on the way to work. Once warmed up seems to smooth out also hesitation while just driving in general, just bothers me. I have replaced the plugs, wires. I have been reading. Could it possibly be the throttle position sensor? Not sure. Maybe even the iac vavle. Or even the egr valve. Just wondering if anyone else could shoot me some advice, thanks!
 


tomw

Well-Known Member
U.S. Military - Veteran
Joined
Aug 15, 2007
Messages
1,613
Reaction score
46
Points
48
Location
toenails of foothills NW of Atlanta
Vehicle Year
1985
Make / Model
ford
Engine Type
2.3 (4 Cylinder)
Engine Size
lima bean
Transmission
Manual
2WD / 4WD
2WD
My credo
vertical and above ground
Could also be the air or coolant temperature sensors. Both are used by the computer to determine how much to enrich the fuel mix when cold, and also bump the cold idle until the engine warms enough for a good stable idle.
You can check their output using a VOM and a table of resistance/temperature.
If you get a fast idle when cold, the IAC would likely be working. If you have an automatic and the idle is stable going from Park or neutral to a drive gear, it is likely functioning.
tom
 
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