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nice facts, all, but no engine size options stated.
after all it's an ENGINE question.
you dont know whats there, and doing DIY> really?
one fact missing, and is key
does WOT power CATCH up
that is you move right foot fast and it bogs, we get that but what happens after the bog> ? more bog or it catches up.
if it dont catch up;, on hills, maybe fuel pressure low.
see?
at WOT there is no 02 sensors. nor TPS (enrich)
at WOT only you , then engine sucking air like mad the MAF at max voltage and if fuel pressure is low the car has endless bog.
see?
wot, = wide open throttle, use a hill to test, flat is useless .
max fuel is at max HP (max torque + max RPM both same time)
i own an 08 wrangler, 3.8L stick.
i just sold my 02,. with 2.4L I4, it was a bogging engine day one out of factory its a gut less I4. (only tubo can fix it)
2.4 or 4.0 L.
ive own all of them 4 and 6cyl.
if your engine idles in neutral, when was yourgearbox serviced? Automatic gearbox vacuum hose split? Check allrubber hoses going to transmission gearbox, squeeze them between thumb and forefinger, get a service
Does it hesitate when climbing a hill, too? Might be a fuel pump or fuel pump filter. Suspect these components when an engine stalls or hesitates when more gasoline is required.
the problem could be related to the tune up of the engine.. when the vehicle is traveling uphill there is more load on the engine, so if the engine spark plugs arent up to par they will missfire causing the hesitation your feeling .. damp conditions could also contribute the the misfire condition .. i recommend having the tune up parts checked and replaced as necessary.
Im having the same issue I believe. I have a 94\' Chevy 1500 and when i accelerate it will jerk like the gas has cut out but it wont stall. It just jerks and slows me down. It only seems to do it when going up a hill. I feel like it could be the fuel pump or possibly some intake gaskets?
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