Truck loosing power over 25 mph - hesitates - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
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post #1 of 4 Old 04-12-2018, 02:58 PM Thread Starter
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Truck loosing power over 25 mph - hesitates

I have a 1988 W150 pickup. 318 V8.
I've replaced plugs, air filter, fuel filter.
I've cut off cat converter, new str8 pipes.
I've squirted carb cleaner in throttle body.
Put in new gas, several tanks.
I have replaced Thermostat, Temp Sensor and Oil Pressure Switch.

No luck

Car starts and idles great.
Just hesitates and chokes if I give it gas.
I can barely get over 50, if I get to 50 very, very gradually.

Any help appreciated!!

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post #2 of 4 Old 04-17-2018, 08:15 AM
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If you've "cut off" your converter, how are you controlling your air/fuel mixture?
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post #3 of 4 Old 10-10-2018, 10:38 AM
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Have you checked the coil?
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post #4 of 4 Old 10-11-2018, 05:21 AM
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What's the fuel pressure?
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