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Q: have a 1996 Chev Lumina... 2 things... I have a miss..If i unhook the oil on 1996 Chevrolet Lumina

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
pressure/fuel switch sensor it runs alot better.. Why ? Transmission seems slow to down shift alot.. Has done this for a couple of years but was told the probem in internal.. Was wondering if it could be anything external??
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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are u talking oil pressure switch or oil switch that control eng when oil is low? do you have any trans codes?
I was told it was called the oil sensor/fuel switch.. Located directley above the oil filter on front side of motor... At one time I was getting a O2 sensor code and replaced the 1 after the converter on exhaust.. Now I was told that the check engine light is blown or somebody unhooked it cause it does not come on so they can not get a code now.. Does that make sense???
ALDL ???? I appreciate your help... I was wrong about which sensor it is... The one I am talking about is the Knock Detonantion sensor.. I am gonna try to replace it this evening.. It is $30.... Would that explain why it runs better when not plugged in???
Replaced the knock sensor but plugged it in and ran like crap so I am leaving unplugged but was wondering why it would do that ??? Changed the fuel filter also... With the sensor unplugged my gas mileage is getting better... Was wondering if replaceing the coils might help too.. Think they are original... Car runs alot better but still has slight miss... I have already tuned it up so that is done.. Car has 212,000 and is just a beater to get me back and forth from work but want to try to keep it running descent...
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