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P0240 error code - Pacifica Chrysler Cars & Trucks

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SOURCE: Error Code P0240 on 2001 Ford Windstar

The catilytic convertor is at fault and needs replacing.
Have it checked first for a 02 sensor can throw this code as well. If the convertor is turning red on the outside it is junk status. Also the engine will sound like its starving for fuel

Posted on May 17, 2010


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I have a 2005 cobalt 2.2L. P0240 keeps coming up! I have changed the cat and both 02 sensors! And the codes still comes up! One day I ran some injector cleaner in the fuel tank and cleared the code and it...

code p0240 refers to manifold absolute pressure(MAQP) sensor B TC system--range /performance problem===causes---intake/exhaust leak---hose connections--MAP sensor
Check the exhaust system for leaks especially around the manifolds and gaskets. Check all vacuum hoses for leaks. Finally replace the MAP sensor. Run code reader to reset the CPU

Nov 12, 2013 | Cars & Trucks

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Nissan Tida 2008 P0240

Some cars require that the onboard computer be cleared of the past error reading. The error reading may cycle out on its' own after 35 or more starts, but some can linger.

If the driveability issues remain, then something else may be at fault. If no driveability issues, then you just need a reset.

Now my information shows a different result for Code 240. There is a problem with a Turbo boost sensor if you have a Turbo on your car.

Oct 09, 2012 | Nissan Cars & Trucks

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Catalytic converter code bank 1 p0240

What I think Bank 1 usually refers to the O2 sensor before catalytic converter. I have been told in the past many thing can set it off. I have gotten them before for O2 sensor and took my negative battery cable off the batter and it cleared the code. Sometimes it comes back sometimes not. I did find some info.
One thing I need to add if you pull the cable off the battery and your radio has a antitheft program in it you will have to provide a code to get your radio working again.

Aug 21, 2017 | 2003 Ford Taurus

1 Answer

Check engine light comes "on"

OK, If I understand your question correctly, Your Check Engine light is coming on and you are getting a Diagnostic Trouble Code (DTC) P0240 and we are talking about a 2000 Honda Civic DX with a 1.6L engine? If this is not correct, please let me know.

DTC P0240 is not a valid code for the vehicle listed above. Are you sure we are not talking about DTC P0420? If this is the case, then your catalytic converter is not working and most likely will need to be replaced. If you previously had fuel system problems, this is what most likely destroyed your catalytic converter - especially if the vehicle was driven fo some time with the fuel system problem. It is VERY common for this code to come up after other engine performance problems have been repaired. The reason for this is because the computer will not run the catalyst monitor if there are other problems in the ignition or fuel systems. So as long as these other problems exist, the computer has no idea what the condition of the catalyst is. Once the other problems are fixed, then the catalyst moitor will run. If the computer finds that the catalyst has been damaged and is not performing as designed, it will set DTC P0420.

Jun 18, 2011 | Honda Civic Cars & Trucks

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Check engine light came on on my 1998 Honda Accord and gave a p0240 code. What does this mean?

P0240 code is related to faulty catalytic converter.It has to be checked and replaced. Located at the front of your exhaust line. To get this part you can get it from the online stores dealing with honda car parts. click on the link below to order the part if required.--------------- -------- thanks.helptech.

Nov 12, 2010 | 1998 Honda Accord

1 Answer

Error Code P0240 on 2001 Ford Windstar

The catilytic convertor is at fault and needs replacing.
Have it checked first for a 02 sensor can throw this code as well. If the convertor is turning red on the outside it is junk status. Also the engine will sound like its starving for fuel

May 17, 2010 | 2001 Ford Windstar

1 Answer

Error code p0240

Are you sure on the code? Trouble code p0240 is for turbo boost sensor B

Mar 14, 2010 | 1997 Pontiac Sunfire

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P0240 trouble code

Acura code P0240 - Turbo / super charger boost sensor (B) circuit range performances.

It's is best to take it to a certified repair shop, where they can get actual reading's from your Turbo sensor's.
You don't want to drive it that way it will damage your Turbo and there very $$$..

Jan 26, 2010 | Acura CL Cars & Trucks

2 Answers

P0240 catalyst system below threshold bank 1

This code has plagued technicians nationwide. This code is set because the computer is not reading the proper signals from the O2 sensors. This could either be related to faulty sensors or just a weak catalytic converter. There is also other solutions where you can dampen the O2 sensor signal but it's extremely difficult for a do-it-your-selfer to do.

Sep 03, 2009 | 2001 Nissan Altima

2 Answers

Wondering what the error code we were told means

First, the check engine light just means you are not meeting emissions right now. Not a big deal. Try disconnecting the battery for 1/2 hour and then reconnect and drive car for 10 miles. It may run rough while it relearns you engine controls again but it often clears the codes.

Now, codes are only 5 digits so I assume the 2 is extra.
P0420 = catalyst efficiency below threshold (bank 1)
P0240 = can't find this code.

Autozone also does free scans. please rate for me, thanks

May 22, 2009 | 2002 Volkswagen Jetta TDI

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