pug Posted January 12, 2010 Share Posted January 12, 2010 I have a 1990 2.5. It starts and idels good. When i get on the highway it starts cutting out but still idels good. Any ideas thanks Quote Link to comment Share on other sites More sharing options...
dasbulliwagen Posted January 12, 2010 Share Posted January 12, 2010 O2 sensor, fuel pressure, fuel filter, would all be things to look at. Mine would cut out at times while driving too, but never at idle, turned out to be the O2 sensor, cleared it right up, but change the fuel filter too. I had a Ford F250 once that would cut out like that, it turned out to be a gas tank full of rust that would clog up the inlet screen, and pack the filter full of crud...not as likely here, but still a possibility. Quote Link to comment Share on other sites More sharing options...
pug Posted January 12, 2010 Author Share Posted January 12, 2010 I will try o2. How do you check fuel pressure. Quote Link to comment Share on other sites More sharing options...
WBKrazy Posted January 12, 2010 Share Posted January 12, 2010 mine had the same problem.. it would go fine in town but get on the highway and it would choke puke and bog out till i got off the gas... turned out to be the fool pump Quote Link to comment Share on other sites More sharing options...
pingpong Posted January 12, 2010 Share Posted January 12, 2010 MIne had the same symptoms, ended up being a dry rotted fuel line on the fuel pump Quote Link to comment Share on other sites More sharing options...
pug Posted January 12, 2010 Author Share Posted January 12, 2010 This morning i replaced 02,fuel filter,and fuel pump. Still have same problem anything else i can check thanks Quote Link to comment Share on other sites More sharing options...
jmartinez1228 Posted January 13, 2010 Share Posted January 13, 2010 This morning i replaced 02,fuel filter,and fuel pump. Still have same problem anything else i can check thanks Does it feel like the truck completely loses power? Like you have your foot on the gas but nothing happens (while its happening)? I'm having that type of issue and replaced the plugs,wires,fuel filter, cap, rotor with no luck. Quote Link to comment Share on other sites More sharing options...
pug Posted January 14, 2010 Author Share Posted January 14, 2010 Replaced spark plugs and drove on highway what a differance. Know problems yet. Quote Link to comment Share on other sites More sharing options...
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