1997 - 2003 F-150

98 F-150 4.2 idles fine take gas fine for 10 or 15 seconds

Old Oct 12, 2020 | 01:42 AM
  #1  
holbrooks1's Avatar
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From: Elkhorn city ky
90 f150

1990 f150 5.0 who’s driving back fired through the exhaust constantly ignition coil went out now it won’t take gas backfiring through the intake on acceleration
 

Last edited by holbrooks1; Sep 10, 2021 at 05:26 AM. Reason: Different truck and can’t figure out how the make a new post
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Old Oct 12, 2020 | 08:46 AM
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From: Wilmington,NC
Check the fuel pressure at the shrader valve on the fuel rail. How long has it been since the filter was replaced?
 
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Old Oct 14, 2020 | 04:46 AM
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From: Elkhorn city ky
[QUOTE=Roadie;5265157]Check the fuel pressure at the shrader valve on the fuel rail. How long has it been since the filter was replaced?[/QUOTE

Alright I’ll try it and see
 
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