hey,
like 190e already mentioned, first make sure your fuel pressure checks out ok.
this :
Quote:
Originally Posted by ekpk93
94 Chevy S10 Truck 2.2L - Loses performance when accelerating on inclines.
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when our aerostar started losing power, especially uphill. i replaced a ton of stuff : ignition coil, sparkplugs and wires, distributor cap, o2 sensor, all of the filters, but didnt notice much of an improvement. btw mileage was also horrible
i got fed up and took it to a mechanic who was able to diagnose the problem with a hand held scanner tool. The problem turned out to be dirty/clogged fuel injectors. I borrowed an ultrasonic cleaning tub from a friend , and cleaned them myself, all is well again.
my advice would be to pull the injectors and have them flow tested by a reputable shop, or if you dont have one near you, find one online.
good luck