In article , Al A. says...

I checked the really simple stuff, air filters, plugs, cap, rotor,
ignition wires, no wires knocked off of sensors, etc. None of that
changed anything.

If this engine has a plastic snorkel between the mass flow air
sensor and the throttle body, check to see if it has developed
any cracks or leaks at the joints or along its length, if it's
convoluted.

An air leak there will cause similar problems.

Jim


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