Fuel problem
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Fuel problem
I have a 95 dodge Dakota slt 3.9 v6 I been having problems with the idle and using to much fuel it is only getting 8mpg and the truck shuts off when I make sharp turns and sometimes when I come to a complete stop I have replaced the iac sensor the map sensor and the intank air temp sensor and I have cleaned my throttle body does it mean I need new injectors or a new o2 sensor or do I need a new egr valve please help thank you
Champion
Joined: Jan 2013
Posts: 4,737
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From: Northwest Louisiana
Quite possibly all of them, and even possibly a plugged cat and/or bad ECU. And there's other possibilities.
I would suggest getting the testing path out of the factory service manual and walking down that.
RwP
I would suggest getting the testing path out of the factory service manual and walking down that.
RwP
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8MPG? I have driven 440 powered vehicles that were better than that.... my 78 D300 dually with a 2 barrel carb'd 360, 4 speed with granny low (and no OD) and 4.10s got 10 MPG, whether loaded or not, towing, cruisng the highway or in town.... my last 3.9 powered Dakota (94 reg cab shortbed 2wd) got a consistent 17.
Champion
Joined: Jan 2013
Posts: 4,737
Likes: 374
From: Northwest Louisiana
Record Breaker
Joined: Apr 2010
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you do not need a service manual to "start to fix the problem"..... do some basic checks and a complete tuneup, check for vacuum leaks, would be a good start. cap rotor wires plugs (no Bosch or E3s, just use basic copper Champion or Autolites) spend the extra $1 or $2 on the better cap rotor and wires (better cap has brass contacts, cheaper is aluminum which will corrode faster) plus air filter, breather filter, PCV valve.....
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Okay I checked for vacuum leaks I don’t have none I just put a new egr valve and solenoid it’s got new spark plugs and wires new intank air temp sensor a new iac a new map sensor a clean throttle body and it’s still stalling when I make sharp turns or some time even when I come to a complete stop but the truck fires right back up but if I give the truck some gas it want stall out when I turn only when I let off the gas I just don’t know what else to replace or even check please help!!