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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Still starting problems

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Old Nov 2, 2006 | 08:00 AM
  #16  
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From: Easton,Ks
Originally Posted by acdc
could this be a problem?
If you have good spark this would not be your problem. What you described in you first post is a very lean condition so we thought you had a big vacuum leak. Of course on the other end hand if no vacuum leaks it would be a lack of fuel.

You might want to check the TPS voltage over its range from closed to WOT as it will turn off the injectors. You may have been moving the throttle plates when you put your hand over them.

For TPS information go to:
http://fordfuelinjection.com/index.php?p=30
 
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Old Nov 2, 2006 | 08:59 AM
  #17  
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okay,
i went out this morning and it cranked right up.
took it down the road and back it started running rough when i gave it gas
came back and looked and dang if i didn't put the tps on backwards!
turned it around and it won't start again,
did i screw up the tps?
 
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Old Nov 3, 2006 | 06:56 AM
  #18  
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When i finally got it running it ran rough like a tps problem.
This wouldn't stop it from starting would it?
TPS has round holes and not adjustable.
Can't get a read on the voltage on it for some reason...........
 
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Old Nov 4, 2006 | 05:14 AM
  #19  
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went and changed the tps, still no start.
got pissed and decided to move the dist a little.
started right up. timed it by ear and ran down the road and back. had a little miss so put the timing light on and it was about 20 something btc moved it to about 20 and it runs pretty good. WHAT causes this???
 
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Old Nov 4, 2006 | 07:27 AM
  #20  
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From: Easton,Ks
Originally Posted by acdc
went and changed the tps, still no start.
got pissed and decided to move the dist a little.
started right up. timed it by ear and ran down the road and back. had a little miss so put the timing light on and it was about 20 something btc moved it to about 20 and it runs pretty good. WHAT causes this???
Sounds like you timed it without taking out the SPOUT jumper.
You time it at 10 BTDC with the SPOUT out.
 
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Old Nov 5, 2006 | 07:58 AM
  #21  
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timed it without the spout. Played with it yesterday and still can't get it to run smooth, the best i can get it is about 14 btc and still have a shudder at slow speeds.....
1993 302
 
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