Hey to all,
I have a 2001 ranger, 2.3L, that has a bad miss while accellerating, going up hills, and pretty much most of the time. During the winter months it really isn't that bad, but look out when it warms up. The vacuum line on the IMRC was bad and I replaced it, but the missing still continues. Does anyone have any ideas on what it could be? Thanks!

Check (and/or replace) your spark plugs and wires.

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Thanks for the suggestion. A few months back I replaced the plugs, wires, and fuel filter. It had a code P1537 and I fixed a broken vacuum line on the IMRC and it still misfires. Any other suggestions as to what it may be. Any input is greatly valued!

look for codes again,

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Does vehical start and idle OK

Does vehical start and idle OK ?