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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 09-11-2012
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runs as it might be flooded

While driving my 1994 4.0 fx4 ranger i have a issue., the truck runs as it might be flooded on gas. If i come to a stop after the acceleration or passing the truck drops rpms like it is about to stall. what could it be?
Changed fuel filter three months ago along with plugs and wires. No help
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Old 09-11-2012
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Vacuum leak
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Old 09-11-2012
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Blhde tis correct

check for any unaccounted air getting into the motor
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Old 09-12-2012
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Thanks for your help. I will check it out
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Old 09-13-2012
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If it idles funny then it could be a throttle position sensor (TPS) I have a 1994 ranger 4.0 5spd and the idle would drop and almost stall and then would spike to 1000 rpms sensors are junk on these trucks I had to replace my mass airflow sensor(MAF) and my intake air temp sensor(IAT)
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