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my truck is sometimes struggleing like it isnt getting enough(or too much) gas. i was thinking about replacing the fuel filter first cause it hasnt been replaced yet and i dont know if hte prior owner changed it. would that be my best bet
Thx for the suggestion
Tim
well i finished the fuel filter, got a gas bath in the process . man that filter was a real pain in the @ss because where it was. I havent had time to drive it yet but i think im gonna go for lunch. well guys thx for the help.
Tim
Did the filter replacement solve your problem? I have the same hesitation on my 1989 Ford Bronco II with the 2.9L. I'm thinking about investing in $1MM worth of sensors, starting with the MAP. But, I live in Ecuador, so I have to have them brought in. Any help?
KOEO -
#22 Manifold Abs. Pres. out of Self-Test Range
Cont Mem -
#11 System Pass
Engine Running -
#21 Engine Coolant Temp out of Self-Test Range
#41 HEGO Sensor circuit indicates system lean (I agree with this)
#74 Brake On/Off circuit failure/not actuated during test
I think it's running lean, and I wonder if it's the MAP or throttle position sensor. I'll check voltage on the TP this week.
When you're troubleshooting codes, it's best to start with the KOEO codes. That means it's time to check the MAP sensor/circuit. 1st thing to do with any trouble code is to check the wiring between the given component and the computer. In the case of the MAP sensor, also check the vacuum hose between the MAP and the manifold. Beyond that, I haven't had to deal with a MAP sensor code, so check with Ken00 for a proper circuit "pinpoint" test.
Thanks, Mr. Shorty. I have a sneaky suspicion that it's fuel supply, and today I'll be checking the Shrader valve for air vs. gasoline at the injectors. I've gotten some great advice on another thread, so I'll try those items and the MAP soon. I'll post the results.
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