Question about 1999 Ford Econoline

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1999 E350 Ford Van w/ no start situation

I have 1999 E350 Ford Van w/ a 5.4 gas engine with low miles that won't start. I used to get it to idle, but then it had absolutely no power or RPM and had a little black smoke out the exhaust. It's now getting good fuel PSI and cranks over good. I've changed the Crank and Cam sensors,but no luck. I've even switched out the PCM w/ an identical one, but no start. The plugs are black w/ carbon but not wet or fouled out. After changing them, still no luck. At one point, it was dumping raw gas into the oil pan. (Had to change the oil). Right now it's not getting fire to the coils. My book tells me to "Check the Reference Voltage thru the PCM on the Throttle Position PID", but what is PID and how do I "access it" per the service manual? (It's getting a good 5V from the Sig Rtn to the VRef, so I'm good there.) Thanks

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Pid is parameter identification. It is telling you to read the tps on a scanner. So you would access it with a scanner. Unplug the cam sensor and crank it, see if you get spark. You are checking the coil pulse when cranking with a noid light?

Posted on Apr 25, 2010

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I have a 1996 ford 350 van it has a 5.8 engine in it, My problem is when I start it ,It fires right up after a few cranks but if its in park it will idle high and then stall out or if it been running for a...


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It sounds like the idle control valve and/or the mass air flow sensor. The scan will accurately pinpoint the problem.

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After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

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http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html

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This will help.

Thanks.

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1 Answer

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1 Answer

Car idles low, stalls after start


Common issue at the shop (i'm a ford technician), here is what I do to correct it.
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