Car shakes on 6th Gear.
#1
Car shakes on 6th Gear.
I recently swapped out a 3.4l 4A to an lt1 6M
the body is a 95. The engine is a 96. The PCM including wires are OBDI 94.
I went from Miami to Key West over the weekend to test this bad boy out on the highway, and I couldn't keep it in 6th gear. I'd jump into the gear and try to keep it steady at 80 or so, but the car just shook violently. I dont know where the root of this problem is.
Any suggestions?
the body is a 95. The engine is a 96. The PCM including wires are OBDI 94.
I went from Miami to Key West over the weekend to test this bad boy out on the highway, and I couldn't keep it in 6th gear. I'd jump into the gear and try to keep it steady at 80 or so, but the car just shook violently. I dont know where the root of this problem is.
Any suggestions?
#7
Re: Car shakes on 6th Gear.
Mine is currently doing the same. I changed plug wires but its doing it again My guess is that putting the engine under a load like low rpm 6th gear the weak spark to one cylinder is causing it to stumble? I don't know, I'm replacing the coil next and crossing my fingers
#10
Re: Car shakes on 6th Gear.
Originally Posted by 97Formy
I'm guessing it runs fine until it's in sixth, right?. If so than why would it miss only in sixth and not in the other gears
Try shifting the car from first to fourth around 20mph (as if you had skip shift enabled) and see if the car still shakes once its under heavy load. If so, its definately a plug wire/plug.
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