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Engine light is on for catalytic converter in LS 400 Do you have to replace all three Is there a chance it is simply clogged?
Wiki User
∙ 13y ago
no and yes
no you dont have to change all (2 to each cat right and left) but you may find after doing one the other may go down soon after,
Yes these sensors can get clogged/dirty/etc etc etc, you can take out and clean, but after doing that they my still not work, but it may well save the cost of 1/2 new ones, which as you know ARNT cheap
Wiki User
∙ 13y ago
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Will it hurt to drive with a bad catalytic converter?
Yes, you can do serious damage to the engine if the converter is clogged.
Can you replace a catalytic converter to resonaters?
Yes you can replace a catalytic converter. No you cannot replace it with resonators. It is illegal and the engine will not run correctly.
Do you have t replace the catalytic converter in a 2001 Mazda 626?
Not unless it is clogged or damaged. You cannot run the car without a converter if that is what you are asking. It is illegal and the engine will not run properly with the converter removed.
What is makes the pipe after the catalytic converter turn bright red and engine to stall?
Your converter is clogged and needs replacing.
Will your 1999 Saturn pass smog test if you replace catalytic converter?
Normally when catalytic converters become clogged and need replacing there is a reason for this. Something caused the converter to become clogged. Unless you fix the problem the new converter will just become clogged like the old one. If the check engine light is not on and the vehicle is running perfectly with the new converter then it will more than likely pass the smog test.
What causes a catalytic converter to turn red in a 1990 Seville?
Partially clogged or engine misfire.
Can the Catalytic Converter make the engine run hot on a 1993 e150 van?
Yes, if it is clogged.
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.
What are the symptoms of a bad catalytic converter in a 2001 Mazda tribute?
if we are talking about clogged catalytic converter; 1. Lost of power 2. Engine warm up fast 3. press gas pedal, but engine runs low RPM it depends on the % clogged
How do you weld holes in catalytic converter?
A catalytic converter with holes in it needs replacing. It affects not only emissions, but the performance of the engine. Replace the converter.
Will a catalytic converter glow at night if it is bad?
If it is glowing red it is partially clogged or the engine is running rich.
What damage would be caused by not fixing the catalytic converter?
If the converter is partially clogged it can cause the engine to overheat which can cause serious problems. Other than that if will not harm the engine.
