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SOHC - 2.3L & 2.5L Lima Engines Discussions and Topics specific to the Lima 4 cylinder engines

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Old 04-08-2015
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96 mazda B2300/96 ford ranger

i can give more details about recently changed item if need be.
The only problem i am having is acceleration. From stop it moves about as fast as Fred Flintstone can drive his rock wheeled car.
Once its moving its allot better but not by much. i would almost rather get out and push it to get it going then to drive from a stop.
please advise what i could check or change to fix this

Other then acceleration this truck has no flaws, after i just dropped 1200 for the clutch/hydraulic assemble to get put on.

Daily driver please help!!!!!
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Old 04-09-2015
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Tune up would be a good start.
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Old 04-10-2015
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Is your clutch slipping?
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Old 04-10-2015
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Originally Posted by Just Pete View Post
Is your clutch slipping?
the clutch is riding perfect, new oil, trany fluid, coil packs
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Old 04-10-2015
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Well the 2.3l doesn't have alot of power but I assume you know this and the current lack of acceleration is something new since you have had this vehicle when it was accelerating better.

First is to eliminate the obvious, do a roll test, flat ground let vehicle roll, making sure there is no drag from brakes sticking or transmission(roll in 1st gear with clutch pedal in).
Second, REV the engine, is it quick in responding to gas pedal input, or does it hesitate.

Next look at the drivers door label, get your axle code, read here: Ford 7.5 & 8.8 Inch Axle Tag & Door Codes

3.73 ratio is the usual
3.55 ratio and lower has slower acceleration but better MPG on highway, these lower ratios were popular with 2.3l since buyers wanted best MPG vs power or they would get 4.0l.
4.10 ratio and up has better acceleration but less MPG on highway.


Get a Vacuum gauge($25) and check engine vacuum at idle, expected is about 20, good read here on tests using vacuum gauge: http://www.gregsengine.com/using-a-vacuum-gauge.html

Vacuum gauge is one of the best tools for testing any gasoline engine, doesn't matter how many electronic/sensors and dodads they add to an engine, lol, it is still basically an air pump, so air in and air out can tell you alot.

Last edited by RonD; 04-10-2015 at 12:24 PM.
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Old 04-10-2015
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Quote:
Originally Posted by RonD View Post
Well the 2.3l doesn't have alot of power but I assume you know this and the current lack of acceleration is something new since you have had this vehicle when it was accelerating better.

First is to eliminate the obvious, do a roll test, flat ground let vehicle roll, making sure there is no drag from brakes sticking or transmission(roll in 1st gear with clutch pedal in).
Second, REV the engine, is it quick in responding to gas pedal input, or does it hesitate.

Next look at the drivers door label, get your axle code, read here: Ford 7.5 & 8.8 Inch Axle Tag & Door Codes

3.73 ratio is the usual
3.55 ratio and lower has slower acceleration but better MPG on highway, these lower ratios were popular with 2.3l since buyers wanted best MPG vs power or they would get 4.0l.
4.10 ratio and up has better acceleration but less MPG on highway.


Get a Vacuum gauge($25) and check engine vacuum at idle, expected is about 20, good read here on tests using vacuum gauge: Technical Articles: Engine testing with a Vacuum Gauge - at Greg's Engine & Machine

Vacuum gauge is one of the best tools for testing any gasoline engine, doesn't matter how many electronic/sensors and dodads they add to an engine, lol, it is still basically an air pump, so air in and air out can tell you alot.
i will check this. But i bought the truck 3 months ago and it used to chug at 3rpm in every gear. after a few sea foam fills it went away.
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