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The most common reason an engine would run cold or take a long time to reach normal operating temperature is a thermostat stuck in the OPEN position or no thermostat at all.
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What makes a clicking noise in the engine of a 91 ranger?
A clicking noise in the engine of a 91 Ranger could indicate a problem with the valves. A valve lifter in the engine may be worn or stuck.
How do you fix your heater on 91 4x4 ranger 4.0?
were is the vocuum hose at on a 91 ford ranger at on 91 ford ranger xlt 4x4 4.0
Will a 95mercury villager engine fit in a 91 Ford Ranger pu3.0liter?
I believe if you research the issue you will find that the Mercury Villager is actually a Nissan Quest and I doubt that the engine will fit the Ford Ranger. Good Luck!
Torx bit size for head bolt on 91 explorer ranger Anybody know?
T55. At least on my '91 Ranger....
Will a 91 Ford Ranger automatic transmission fit in a 95 Ford Ranger?
Yes if they both have the same engine size and both are either 2wd or both are 4wd.
What size engine is in your 91 ranger?
You could have the 2.3 liter , 4 cylinder , or the 3.0 liter or 4.0 liter V6 You also could have the 2.9 liter V6 engine
Will a Saturn 95 single cam computer run a Saturn 91 twin cam engine?
No.
Where is the downstream oxygen sensor on a 91 ford ranger 2.3 liter engine?
It just has ( 1 ) oxygen sensor , before the catalytic converter ( upstream )
91 chev blazer 4.3 poor run cold sputter?
Try replacing coolant temp sensor.
What is the lowest octane gasoline your 2003 navigator will run on without causing damage to engine?
91 Octane is the minimum octane requirement for this 5.4 Engine.
Why does my 91 Dodge shadow runs smooth when it is cold when it gets warm it starts to run rough and not smooth?
Maybe a faulty coolant temperature sensor. The air-fuel mixture is rich when cold, which is OK, but as the engine warms up, your mixture is too rich. Is your fuel economy suffering, too?
What are the symptoms of a bad throttle position sensor in a 91 Saturn sl1?
A bad throttle position sensor, on your 1991 Saturn, will cause the engine to run rough when it is idling. The engine will run normally at higher speeds.
