Compression piston #2 , loan a compression kit from AutoZone and test the compression , if it is under 150 PSI ? you have bad piston rings .
knock sensors sense any play in engine from crank shaft bearings all the way up to piston pins , all have bushings and rods have bearings ,
the other cause is the distributor may not be adjusted properly to time the firing sequence for the plugs in relation to fuel ratio/air mix , the 200 model is mechanical one , and the firing sequence is very important to align exactly with crank timing .
is the smoke dark or white ? if dark ? distributor need correction if white ? piston ring problem .
SOURCE: multiple cylinder misfires
cross the wire, probably the firing order problem.
Did you change the distributor cap, sometimes the distributor cap inside cracked, you won't see it, take off the distributor cap, but you have to remember the wires' order, lightly drop the distributor cap see if you can hear the cracking noise.
Or during the dark night, get a dark place, start your engine,see if there is spark out, fix that, maybe your car will run better.
When I had my Union 76 service station, I have solved several cases like thiat.
I had a big Sun electronic scope from 1973 to 1984, during that time, something I could't ping point where the problem was, therfore I used many experience, maybe I am wrong, but you can try it, I like to try everything.
Hope this ccan help you, good luck.
Frank
SOURCE: would a cracked exhaust manifold on a 2002 nissan
yes it could.... check the oil for traces of foaming...that would indicate water leaking via a crack.
Also check for oil in the water reservoir.... sign of cracked head also...
SOURCE: misfire cylinders 1-3 how can I clean them? do I
Hi,
As you know that in engine repairs only a well experienced technician can do it because it is the heart of the car. If your engine is misfires than the piston is almosted ceased. Kindly don't hesitate to spend money, it is a very difficult job.
Remember one thing service your car only in a authorised center for a better engine performance and long life.
Thank you.
SOURCE: 2000 nissan frontier knock sensor code & distributor
no but the knock sensor does send a signal the ecm and it will ****** or advance the distributor timing
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