Bronco fuel trouble

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Jun 30, 2013 | 09:34 PM

autochefc

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Joined: Nov 2007

Posts: 84

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From: Helena, MT

Bronco fuel trouble

Ok I have had some fuel delivery issues (I think) I have an89 full sized bronco with a strait 6 4.9L while I was coming home from acamping trip I was towing a small single axle trailer with kayaks and a canoe well at the top of the hill it chugged andthen die it would not restart. I figured it was to ignition module that I havehad trouble with it getting to hot and the vehicle just dyeing but this time ischugged so we let cool off for about 35 minutes and then it started with alittle chugging but that was after I tapped the fuel filter and fuel pump with a hammer just in case it may have somethingclogging it well it started and drove about 20 miles and then had the same problem. When I finally got it home the codes thatit was throwing were 51 (engine temp too high) and 67 (neutral switch). Ithink the neutral code was through because I pulled the clutch out while I wasstarting it and put the clutch back in. asfor the engine getting too hot will it shut off fuel for some reason it wouldstop running because of a hot engine? Could it just be a bad fuel pump going out I noticedthe pump was wining when I got it started and it did run for a little whileafter I changed the fuel filter. so any help would be great,<o

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Jun 30, 2013 | 10:29 PM

Encho

The Southernmost Mod

Joined: Dec 2004

Posts: 6,902

Likes: 20

From: Caracas, Venezuela

You suspect the cause is the fuel, so you need to check which fuel pressure you're getting. The truck is an EFI right? I think for the I6 the pressure should be near 50psi at the rail.

Jun 30, 2013 | 10:54 PM