Question about 1997 Ford F350 Crew Cab
Hello! There are two sensors that will cause this problem both can be tested...If you have a volt meter...If not, let me know...
#1 is the Throttle Positioning Sensor (TPS)...A black round device that is bolted to the throttle body with a three wire connector...Wire colors are...Gray/White...Brown/White...And Gray/Red...Using two safety pins plug them into the rear of the in place connector on the Gray/White...And Brown/White...Place + probe of meter set to read 5 volts on the Gray/White...And - probe on Brown/White...Start engine...At idle must read less than 1 volt (.85)...As you slowly increase throttle meter must rise smoothly to 4 volts at open throttle...If voltage jumps or acts erratic the sensor is defective...
#2 is the Manifold Absolute Pressure (MAP) sensor...Also mounted to throttle body...Three wire connector with the following wire colors...Light Green/Blue...Gray/Red...And Brown/White...Using the same technique...Pin the rear of the connector on the Light Green/Blue...And the Brown/White...Place + probe on Light Green/Blue and - probe on Brown/White...Turn key to on (don't start)...Record reading...Move Light Green/Blue probe with safety pin and push it into the Gray/Red wire...Record reading....Also check the vacuum line which is connected to the Map Send results...
Posted on Aug 28, 2010
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Posted on Jan 02, 2017
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