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Will a bad catalytic converter cause you to fail the emissions portion of the smog test?
Wiki User
∙ 13y ago
Yes!
Wiki User
∙ 13y ago
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Does a catalytic converter cause a car to fail emissions?
Yes, it can if faulty or missing.
Would no catalytic converter cause backfire?
Having no catalytic converter installed is illegal and can cause a myriad of problems. Probably not a backfire though.
Can burning antifreeze cause the catalytic converter to go?
Yes, internal coolant consumption can damage a catalytic converter.
What causes oil?
An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.
Can a catalytic converter cause the EGR valve to go bad?
No, the catalytic converter is downstream from the EGR valve so it has no effect on it.
What causes oil burn?
An engine that burns oil will usually foul the spark plugs. That, in turn will cause ignition misfire, higher emissions and likely damage the catalytic converter.
Can catalytic converter cause a knocking sound?
Yes
Could a faulty catalytic converter cause defrost system not to work properly?
No, the catalytic converter has nothing whatsoever to do with your defrost system.
Can a bad catalytic converter cause hard starts?
A bad catalytic converter can cause hard starts if it has become clogged. This produces excessive back pressure in the engine.
Can a 1996 Ford Taurus run without a catalytic converter where is the o2 sensor at?
Yes, the Taurus can run without the catalytic converter--it is not necessarily good for the engine, but disconnecting it will cause it to fail emissions testing. If you've seen the Honda Civics running around smoking like a factory, this is caused by no electrolytic converter. The O2 sensor could be in the exhaust pipe between the manifold and converter.
Can a bad catalytic converter damage the ignition coils or a bad ignition coil can cause to catalytic to go bad on a ford expedition?
A bad coil can damage a converter. If the engine is misfiring, it will cause raw fuel to get into the converter and that can cause failure.
What is the lifespan of a catalytic converter?
That depends on the engine and the fuel you've used. If the engine starts burning oil a catalytic converter can fail rapidly. Some fuel additives can also cause a catalytic converter to fail prematurely.
