Drums_guns_and_cars Posted December 26, 2019 Share Posted December 26, 2019 On 8/16/2019 at 3:57 PM, acfreak said: sorry to bring up an old thread. This is a long shot, but did you fix your issue? I can't seem to find the solution anywhere? My truck has trouble going up hill past 60mph unless I downshift to 4th or even 3rd gear. I step on the gas and it becomes loud and not go anywhere. Hey any chance you fixed your issue? I'm having the same exact problem. I have an exhaust leak on the driver side manifold, so I'm thinking the O2 sensor might be getting a bad reading. Not really sure though and I've just been chasing my tail for that last few weeks. Link to comment Share on other sites More sharing options...
SpecialWarr Posted January 16, 2020 Share Posted January 16, 2020 @acfreak I'm guessing that yours is a manual also? I have an auto and it doesn't like to go faster than 65mph. The 3 point _slow_ only has 158 hp from new so going up hill in a 3900lb truck isn't going to be that zippy! I would suggest cap-wires-rotor and plugs because that will make a difference, but fuel filter and air filter most likely need to be changed Link to comment Share on other sites More sharing options...
FirstGenFreak Posted January 17, 2020 Share Posted January 17, 2020 You could always do a Z24 swap Link to comment Share on other sites More sharing options...
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