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Diagnostic code p0240 - 1998 Ford Ranger SuperCab

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Posted on Jan 02, 2017

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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

1 Answer

I have 2004 F-150 code P0240 comes on

Code 240 is for a problem with the boost sensor for turbo or supercharger engines.
The sensor and circuit would need to be checked.

Feb 11, 2013 | 2004 Ford F150

1 Answer


see what codes or code it is showing. have them erased and see if they come back on if the same codes then you proceed to step 2

Oct 22, 2012 | 1999 Chevrolet Cavalier

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

1 Answer

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

1 Answer

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

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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