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If the converter is plugged, contaminated, damaged or rusted out, it must be replaced. Likewise, if the OBD II system is showing low catalyst efficiency, the converter must be replaced. Driveability symptoms such as a drop in fuel economy, lack of high speed power, rough idle or stalling are classic symptoms of excessive backpressure due to a plugged converter. Checking exhaust backpressure and/or intake vacuum will tell you if there's a blockage. The important point to remember is that converters don't just plug up or die for no good reason. There is usually an underlying cause which must also be diagnosed and corrected before the problem can be eliminated. Diagnosing a plugged or fouled catalytic converter is only half the fix. Replacing a bad catalytic converter will only temporarily restore things to normal because unless the underlying problem that caused the original converter to fail is identified and fixed, the replacement converter will likely suffer the same fate. Always replace the O2 sensor if the converter needs replacing. That may not be all that needs to be done. A defective spark plug or wires, or a burnt exhaust valve will also destroy the converter.
What else can I help you with?
Where is O2 sensor 98 Ranger 3.0?
It is right on top of the Catalytic Converter.
Should I Remove catalytic converter on 1987 ford ranger?
No, replace the converter with a new one. Anything else is illegal.
Where is the oxygen sensor on a Ford Ranger?
There is one in the exhaust system before the catalytic converter and sometimes one after it.
Does a 1983 ford ranger have a catalitic converter?
Yes, a 1983 Ford Ranger typically has a catalytic converter, as it was required for vehicles sold in the U.S. to meet emissions standards. However, the presence of the catalytic converter might depend on the specific engine and emissions package of the vehicle. If the Ranger was produced for a specific market or had a different emissions setup, it might not have one. Always check the specific vehicle specifications to confirm.
CAn you put leaded fuel in your 98 ranger?
No , it will wreck the catalytic converter , use " regular " unleaded , 87 octane
Where is the downstream oxygen sensor on a 2004 Ford Ranger 2.3 liter xlt?
The O2 sensor after the catalytic converter.
Will a ford ranger run without the catalytic converters?
No it will not run correctly. And it is also illegal to remove the catalytic converter from any vehicle and it carries a stiff fine if you are caught.
Will it hurt to run straight pipes behind the catalytic converter of a 92 ford ranger 2.3?
no and if you do it that way it is also leagle
Were is bank 1 oxygen sensor on 2003 Ford Ranger 4.0 liter?
On your 2003 Ford Ranger , 4.0 liter SOHC , V6 : Bank 1 is the passenger side of the engine Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter Sensor 2 would be AFTER the exhaust exits the catalytic converter
How do you replace catalytic converter on 1998 ford ranger?
Any muffler shop can do it for you. It's routine & has to be welded in. Don't go to the dealer-they will ream you.
What would cause a 96 ford ranger to run rough and the catalytic converter to get red hot when the truck reaches op temp?
Clogged converter, running too rich or a misfiring plug.
How many 02 sensors on 1999 ford ranger xlt 4.0?
( 3 ) O2 sensors , according to the engine wiring schematic in my Chilton book ( 2 ) would be before the catalytic converter ( upstream ) and ( 1 ) after the catalytic converter ( downstream ) The ( 2 ) upstream sensors would be used to determine the air / fuel ratio for the engine and the ( 1 ) sensor after the catalytic converter is called a catalyst monitor
