Hi. Our 98 Galant ES shudders on anything more than gentle acceleration. We also hear a click sometimes when this happens. The car is 4cyl, has an automatic transmission and A/C (however, A/C is switched off).
I have changed the plugs, wires, and fuel filter as suggested by the Haynes manual, no help.
Any ideas what else could be wrong with this car?
Thanks, Bob
Can you identify where this click comes from? The MPI relay is either behind the radio or on the RHS A pillar behind the glove box.
Unless the timing is way off, I'd guess there's fuel starvation. Any error code from the ECU or Check Engine light on?
Does it run better if the gas cap is off? Could be a vacuum in the gas tank because of a blocked evaporative emissions hose. Cap off will allow the pump to work like it should.
Stewart DIBBS
Hi Stewart, yes, prior to changing the plugs & wires the stumble/shudder had gotten bad enough to trip a Misfire in Cyl 2 code. Has not returned.
Thanks, Bob
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