I have a 1999 Dodge ram 1500 5.2L when steping on gas from a stopped position I get random like sputtering under the hood like its going to stall then I take my foot off gas and try again and its fine replaced coil.oxygen sensor, crank shaft sensor and nothing seems to work and u cant duplicate the problem to show anyone, has anyone had this problem?

 

fuel pressure?

 

Try a can of seafoam,pour 1/3 in the gas tank,1/3 in the crankcase, and 1/3 slowly into the brake boost vacuum line with the engine running...shut it down, wait 5 minutes and start it back up make sure your not in the garage as it will smoke like crazy....should work till you replace the infamous PLENUM gasket. Oh, one more thing, disconnect the neg. cable for like fifteen minutes to reboot your computer...

 

Sounds like fuel to me. Check pressure, then volume, if needed... Stop throwing parts and $$ at it... that stuff gets expensive really fast!! Do a little troubleshooting first...


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Test the TPS too.