3 codes need HELP

[992door]

I have 3 codes that popped up. They are B0281, p0305, and p0507. Need help getting them fixed

 

[SunlitComet]

please double check that b code don't see it listed.

It might actually be A B0281. means the ABS is not seeing the brake light switch acting properly as expected under given circumstances.

P0305 is the pcm counting a large number of misfires from cylinder #5

P0507 is Idle Control System High RPM. usually caused by:

• An IAC valve which is stopped and cannot respond to the VCM.
• A throttle stop screw which has been tampered with.
• A damaged throttle or linkage.

If you need the details send me the email address that I can send you the charts .

 

[992door]

Yea somehow I am getting oil on the #5 cylinder. Was told the compression on that cylinder was fine so don't know what it could be. I have not messed with any of the throttle stop screw and it idles fine sometime but other times it is a little high

 

[SunlitComet]

oil might be from the valve seal then.

 

[992door]

How hard are they to replace

 

[SunlitComet]

remove valve cover, rocker arm and spring assembly remove seal install a new one and reverse procedure.

WARNING: if you do not have a method to keep the valve from falling into the cylinder don't do it.

 

[992door]

From what I have looked most people make sure the cylinder is at the top and use an air compressor to put air in the cylinder

 

[SunlitComet]

that works just be careful about it.

 

[992door]

Ok i replaced the valve stem seals and it still is burning oil what could the be? Rimgs?

 

[SunlitComet]

if you said the compression was good the I would think the oil control ring.

 

[992door]

I will check again what is it suppose to be? It was not me that checked before

 

[SunlitComet]

minimum of 100 psi on each cylinder. no more then 20% difference between highest and lowest cylinder.

 

[992door]

Got that fixed it was an intake manifold gasket. Now i have another problem one is stop lamp circuit and the other is i believe p0420