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I have a 93 LS. It acts like it doesnt advance the timing when I step on gas (it diesels / knocks) and cut out / studders while driving. I took to a shop and the tech said the codes said it need new cam position sensors. I replaced both sides (and i do know they are not the same part #) and...

I had my 93 LS 400 put on a diag computer, I was told my cam position sensors are going bad. Is there anything special to changing those out? I called around for the parts and they are fairly easy to get. It looks like it is the housing that the distrib cap attaches to. Does anybody have...

Are you still parting out the LS 400? I am looking for the cam position sensors for both sides.

Thanks for the tip. Can you tell me how exactly to do that?

I own a 93 LS 400. I changed the plugs, caps and rotors. Car ran great for a day. I took it to the car wash to clean the engine. Drove a mile or two from car wash back to my garage. Car was off for about an hour. Strarted up fine, but started missing, rough idle and sound like timing is way off...

I am about to change a water pump on a 93 LS 400. I have a tech article that also includes changing the timing belt. Does anyone know if the timing belt has to be changed at the same time? I was told it was changed before I purchased the car and only has about 10,000 miles on it. Please...