Question about 2003 Ford Ranger Regular Cab

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Up hill travel lose of power

I have a 2003 Ford Ranger with the 2.3 (4 - cylender) engine. Has 81,000 miles. Runs great on level roads but has extreme lose of power when going up hill. Can any one tell me why???

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Tune up or catalic convertor stuff uped

Posted on Feb 18, 2009

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My 2003 ranger 2.3 is idoling rough and sounds like its backfiring in side the engine seems to run fine when i accelerate


Could be that your cat is clogged up,the way to check is to remove and look in both ends,mine clogged up and caused my head gasket to blow between cylinder 3 and 4 on my 85 Nissan 720,part of the inside came apart and was blocking the air flow,causing my exhaust plugs to blister.

Feb 19, 2015 | 2003 Ford Ranger Regular Cab

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1994 ford ranger 4x4 4,0 it idles good but when going down road the check engine light comes on within 20 seconds acts like it is flooding out loses power let off for a second and then runs good for...


It should have a code stored. Some places still carry the scanners for OBD 1 Fords for around fifty bucks. Without knowing anything else about the truck or what codes you have, it sounds like you have a bad throttle position sensor.

Jan 05, 2011 | 1994 Ford Ranger Supercab

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I have a 2007 ford ranger, 6 cylinder. I drove


The oil pump may have gone bad. Involves dropping the oil pan and replacing the oil pump, check the pan for any metal peices.

Mar 06, 2010 | 2007 Ford Ranger FX4 Off-Road

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2003 Ford Ranger Pickup traveling down the road


Is there somthing hitting the gas pedal, like the floor mat? Or maybe something under the dash came loose and is getting caught under the brake pedal and pushing on the gas. Put the shifter in neutral if you get into a situation where going to hit something or someone. The engine has a rev limiter, to prevent it from over reving.

Feb 10, 2010 | 2003 Ford Ranger Regular Cab

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When was last time plugs & wires checked or replaced, as well as fuel filter.

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It just stoped running


Depending on how much gas was in the tank and how steep the hill was, the fuel pump most likely started pumping air instead of gas, thereby stalling the engine.

May 10, 2009 | 2003 Ford Ranger Regular Cab

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My 1988 Ford Ranger misses while warming up.


COOLANT temp sensor

is bad not allowing engine to run enriched fuel

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2 Answers

Loses of power and engine miss


it may be fuel pump ? how much fuel is in the tank ? these trucks are famous for their fuel pumps overheating when the fuel level gets below half or sometimes evem a quarter tank. if the fuel tank is full you may want consider replaceing the fuel filter (as a good routine maitenance procedure)and see what happens then.

Feb 14, 2009 | 1994 Ford Ranger Supercab

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