I have a 1994 Oldsmobile Cutlass Ciera with a V6. I had my spark plugs
& wires changes yesterday due to rough idling. Yet, when it was all
said done, the engine is now shaking a bit. (Was not happening
before). We tested to see if the all the spark plugs were firing and
they were. I pretty sure its a misfire somewhere, because the car
sputters when I come to a stop. I plan on getting a diagnostic ran to
confirm my theory this weekend, but I was wondering if anyone had this
problem before and could offer advice. Thanks
no I used the old wires first with the new plugs and the engine shook.
I then changed the old wires for the new ones and it had the same
I used Autolite Spark Plugs....are those good ? they were 1.49 each
The next step is a cylinder balance test where you disconnect or short
out one plug at a time while monitoring the engine RPM. If you find one
or more cylinders which when shut down hardly effect the RPM then you
know where to look. New plugs are sometimes defective due to either a
manufacturing error, physical damage or improper installation.
Another possibility is that you knocked off a vacuum line or disturbed
Without having hands-on the engine it is hard to say!
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