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Yes, normally it makes it worse.
On a fuel injected car the computer will try to adjust the fuel and timing to get the after cat O2 sensor to start working, this will cause performance and economy issues plus a check engine light.
It is also highly illegal to remove a cat and not replace it.
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Can a new catalytic converter cause poor gas mileage?
No, there are many other parts on the engine that can affect mileage but the catalytic converter is a passive device and, if new and clean, cannot affect the way the engine runs or the mileage it gets. Think of it as a filter, althought it's actually a lot more complex than that, if it lets the exhaust gases flow throught without any major obstruction then it can have no effect on the car's performance.
Will catalytic converter affect battery power?
No.
Can a cracked exhaust manifold cause the check engine light to come on?
Yes, it can affect the oxygen sensors and catalytic converter.Yes, it can affect the oxygen sensors and catalytic converter.
If your catalytic converter has a crack can it affect the idol?
I dont believe it will if the converter is cracked but if the converter is plugged it definetly will.
What can affect gas mileage?
Underinflated tires, carrying too much weight in vehicle, excessive speed, engine that needs a tuneup, brakes dragging, or partially clogged catalytic converter.
Does catalytic converter affect air condition in Mercedes e320?
No, it has no effect on the A/C.
Does running out of gas affect the catalytic converter?
not really, as long as it is at the right temperature, it will not be affected
Does a catalytic converter affect the performance or driveablity of a car?
Yes, a bad cat can cause issues.
Can a bad catalytic converter cause a P0303 code if so why only one cylinder?
the answer is no . the converter would not affect just one cylinder .
If the catalytic converter was removed from a 2000 jetta will if affect the performance or computer?
This is illegal. You need a catalytic converter, to prevent pollution of the atmosphere.Answerand yes the sensor behind the cat may go crazy. you might have check angine light on and performance will be affected too.
Does a catalytic converter affect air conditioner in a VW Jetta?
No. A catalytic converter is part of the exhuast system. This is true for all vehicles. If you have problems with you air conditioner you should have a mechanic inspect the components. Any repair will cost you at least $75USD but could cost over $500USD.
Can the catalytic converter be remove and not replace to a 1998 Ford Explorer SOHC will it affect in a mechanical way?
Its for Mexico OFF ROAD. not for driven in USA.
