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Discussion Starter #1
1998 4Runner. If without warm up and drive for 10 seconds, CEL flashing for 8 seconds, car shakes about 3 seconds, then problem disappears.

But if I warm up for 10 minutes, everything's fine, no flash CEL.

Want to change spark plugs, but car running smoothly most of the time, not sure it will help.

BTW, sometimes the car is having a "dragging" feeling, like it's on 2nd gear even though the speed calls for higher gear.

Also, the gas mileage is poor, I used to get 300 miles from a full tank, now only 230 miles.

Any ideas as who's the suspect?
 

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1998 T100 SR5 2WD
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13,727 Posts
Definitely a misfire! When was the last time it had a tuneup (plugs, wires, PCV valve, throttle body cleaning, IAC valve cleaning)? ;)
 

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Discussion Starter #4
The mechanic couldn't pull the code, cuz flashing ceased when I got there, and there's no code storage found.
 
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