...up 4.3 liter engine? and where are they i only found 1 on the exaust pipe? There is one before each cat you have and one after each cat. check on top of the exhaust after the cat next to the
cat can cause serious damage to your engine as it also alters the backpressure Yes. It can cause the Check Engine light to come on. What codes come on? There is a few.... I'm not sure of them all but,
...cat. convertor. legally yes but if your area doesn't have an emission check than you can get away with out it. if you want to play it safe you can get generic cats. that give you better performance ...
Question about 1983 Silverado
...cat a hundred times, and the check engine light will continue to come on after it's been reset. I suspect that the cat thieves may have cut the wiring that runs to the O2 sensor, and this was ...
...cat are warmed up. An example for your car would be a scanner voltage reading of .81 to say, .86. To check an O2 sensor to determine if it is functioning and you don't have a scanner, it's best to ...
cat. really check the wiring that it connects to in that area, as mine had a wire pinched between the frame and the body ( from the factory) that eventaulaly wore through and casued the sensor to fail
...check at ur local shop to verify a faulty cat. an not make a mistake replacing wrong parts.u can also have slow responding o2 sensors causing this code also. a quik view of ur data parameters an ...
...steady at 20.6 . stinks/ exhaust... Gonna double check welds at straight pipe. Got engine code...but I don't care.. Extremely happy with new performance!! Well take time on cat purchase if I get ...
...mileage, yes, But will still run. Best way to check a cat is remove the O2 sensor closest to the engine or loosen the exhaust flange. If it runs better, the cat is clogged up. Have the codes
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