Have a 1990 Gallant GSX that has a "Welded-In" (actually heavy carbon Build-up) and it won't Turn, to take it out, to replace. HOW? do I get it out without damaging the Threads? the Car has already been in the Shop twice, and BOTH shops won't do what it takes to get it out, since they are worried that the whole Manifold will have to come off the repair the damaged threads....Got to be another Solution??
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P2195 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) Code ... This codespecifically refers to the sensor between the engine and catalytic converter (not the onebehind it). Note: This DTC is very similar to P2196, P2197, P2198.
check for 1- vacuum leak 2- spark plug gap being widen or spark plug wire shorting to ground due to old age or close to heat source like touching exhaust manifold 3- your coil pack(there might be one of the bad,check for internal resistance) 4- check idle air control make sure there is no carbon build up on pintle 5- finally check your EGR valve,make sure it hold vacuum.also it is clean with no carbon build up on the valve or passage to intake manifold
the o2 sensor is kinda tricky to repalce without breaking the old one or breaking the pipe/manifold. I had a 95 and it was located on the manifold. the easiest way is to probably remove the manifold and change out the sensor. then replace the manifold gasket when putting back in.
it could a bfew things fuel filters , carbon build up, bad mass air flow sensor, spark plugs,any of the o2 sensors I would try the simpliest thing wich would be a throttle body cleaning you can go to wal-mart tire lube express and get there fuel system cleaning for $18 -$20 bucks the product they use is very good I have used the both brands they have offered and I like the new brand they use valvoline it has all the goods and improvements this help with cleaning carbon build up on your plugs,o2 sensors, throttle bodyand it may turn off your check engine light unless your vehicle requires to be reset then I would once a month run texaco or chevron or bp or shell with super unleaded i full tank will keep build up down if that is not it its a process of elimination it has to do with air and fuel
HI, You may have some carbon build up in the throat of the throttle body itself. That buildup may also have plugged a small air hole in the throat. The carbon build up keeps the throttle plate from fully closing against the stop.
It is most likely that the in-out angle is factory set. As for the lamp it should remove from the rear of the lens assembly. Where the wires plug into the lamp, there is a ring that twists and releases the lamp. It is also possible that the lamp itself can be twisted which will release it.