For heavy machinery cars etc. luckily there are many websites
that can help you repair
for eg site like reliable-store is very active in this.. instant help, emails and all that's fantastic
Testimonial: "Thanks Derick, I did go onto the web site for Reliable store and brought a workshop manual, paid 35 USD and have seen nothing. No reply to emails and no answering messages so not real happy with them. Cheers Phil"
SOURCE: 1992 Subaru Legacy Check Engine Light
There is two Green single wire plugs under the dash, driver side, above your left leg (rh drive) plug them together, engine check light will flash, www.auto-diagnostic-codes.com will help to read codes
SOURCE: hi there engine warning light is
Really is 0243 ?
Jeep OBD Codes
More details OBD Codes
Testimonial: "hi there, thank you very much,yes that is the code that was displayed on dash,please bear in mind i've got a 2.7 diesel motor under the hood"
SOURCE: check engine warning light is on 2001 hyundai sonata
Purge Control Valve Problem
The "Purge Control Solenoid Valve" is the "Purge Control Valve".
Rough
idle is a typical symptom of something amiss with the purge control
portion of the evaporative emissions system. It could be the valve
itself is not operating correctly, the evap canister (vapor canister)
may be leaking, or full of raw gas instead of vapor, or maybe even the
purge control valve is getting a faulty signal from the ECU.
The
soleniod is checked by applying a voltage to it and checking to see if
it closes, or opens (I'm not sure if its un-energized state is normally
open, or normally closed). If the valve is bad it is a no-brainer to
replace.
The vapor canister can be removed and checked to see if
it is full of raw gas (not supposed to be), but checking it for leaks is
a bit involved, and probably requires equipmet not normally owned by a
home mechanic. Vapor canister failure on cars with a lot of
miles is common. Replacement is the fix.
Of course if the ECU is
not sending a purge signal to the valve correctly, figuring out why may
proove difficult, and possibilities could even include a faulty ECU. I
expect this is unlikely though.
It's a $20 part. I first would change pcv valve because it can give same error if it's plugged up. You can always remove it and shake it. It should rattle around real easy. If not, it should be repalced
SOURCE: what does the code p0442 mean on a mitsubishi montero sport 2000?
Trouble Code: P0442
Most likely the gas cap.Hope this helps. Randy
EVAP Control System Small Leak Detected
Possible Causes:
Canister Purge valve is damaged, leaking or it has failed
Charcoal canister is loaded with fuel or moisture
Fuel filler cap loose, cross-threaded, incorrect part or damaged
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
Fuel tank pressure sensor is damaged or has failed
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
PCM has failed
SOURCE: the check engine is on when the engine is running.Mitsubishi Montero
Go to AUTOZONE,they will scan it for free and give you a DTC code.
? 
' Add Comment
http://engine-codes.com/p0715_mitsubishi.htmlForum CodePossible causes - Transmission speed sensor circuit is open or shorted
Help with thisWhen is the code detected?Diagnostic Trouble Code (DTC) P0715 is detected when TCM or ECM does not receive the proper signal from the sensor.Symptoms- Engine Light ON (or Service Engine Soon Warning Light)http://schematicsdiagram.blogspot.com/2011/12/car-jerks-while-going-uphill-and-check.html
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http://schematicsdiagram.blogspot.com/2011/06/check-engine-light-on-car.html
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This will help.
Thanks.
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