It sounds like a tranny problem. Without more info kinda hard to diagnose. The simplist thing to check is tranny fluid. If its low, going up a hill will pull fluid out of the torque converter. It could be the converter itself. It could possibly a fuel problem, but unlikely. Hope this helps. John...
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Oct 17, 2006 - I just ran into my first problem - The car runs fantastic on flats, going downhill,... ... No problem pulling up that hill at slow speed - plenty of power. It's only when out on a ... Anyone got a handle on a good used torque converter?
CarGurusOct 17, 2013 - I lose power on hills change the fuel pump and checked timing changed catalytic ... The TPS will make the ECU "go nuts" as it says...I'm here. ... has no power going up hill with small boat on, on flat ground runs good 1 answer.
When the engine is under load it uses more fuel then normal .First replace the fuel filter then check the fuel pressure and flow. the pressure and flow are checked with gauges. For a rough check remove the return pipe from the fuel rail, if fuel is flowing there the fuel system should be ok providing the pressure valve is not stuck open. if there is no flow there the pump may be at fault.
i have an 86 dodge ram 50 that sputters when i step on gas going up hill after it warms up ive changed the gasket twice with no luck solving problem it runs fine in neutral but in gear under a load it sputters
If there are no lights or ECU codes, esp the water temp sensor, then the usual remedies are to use injector cleaner, and clean the throttle body, check for water in the fuel filter (and the fuel tank). Make sure the engine oil level is full, and so on. I assume a hill outside Sydney doesn't get enough altitude to be an issue, unlike a hill outside of say Denver, CO that goes up near 10,000ft above sea level where you should expect a significant power loss.