1989 k3500 7.4 running rough/stalls
October 30th, 2021, 6:10 PM
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1989 k3500 7.4 running rough/stalls
just got a 1989 snow plow 7.4 3500 and it starts and idols but dies under load only when in gear ...it revs up great. Do the map sensors get stuck on these...looking for some advise how to trace down the problem without going down too many rabbit holes. thanks
October 30th, 2021, 6:15 PM
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possible solutions first are
1) change fuel filter
2) check all vaccum lines. (seem ok on visual)
3) change fuel pump and sending unit...and inspect fuel lines..
4) map sensor?
5) egr?
6) change o2sensor and check cats...
1) change fuel filter
2) check all vaccum lines. (seem ok on visual)
3) change fuel pump and sending unit...and inspect fuel lines..
4) map sensor?
5) egr?
6) change o2sensor and check cats...
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