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code p 0302 i cylinder 2 --misfire detected ===causes --- engine mechanical fault ( valve seat insert loose , burnt valve , cam followers/ hydraulic followers faulty)---wiring---ignition/fuel system---injector--ECT/MAF sensor ---ECM
possible injector fault ( blocked tip)
code p 0401 refers to exhaust gas recirculation (EGR) system--insufficient floe detected ==== causes --hose leak/ blockage ---basic setting not carried out (if required)---wiring---EGR valve ---EGR solenoid ---ECM
as you admit to knowing little about cars , take it to an accredited service center that works on your make of vehicle and get a proper diagnosis and quote
Use the codes information and causes I have given you when discussing the problem
Code 457 is for a leak found in the evap system which vents the gas tank to the vapor canister. The gas cap could be loose, or damaged. Or there could be a leak somewhere in the tank vent or lines.
Not sure on the code, it could be PO174. It may be an O2 sensor or problems with the intake and/or cyl heads. I would make sure on the code and get a second opinion.
Hello, This Code means the vehicle speed sensor is not putting out a signal to one of the components. The connector could be wet or corroded or the bad could just be bad.
I have a 1988 Lincoln Mark VII but this still should work.
You first need to enter in the code you have. Then, within five seconds press the 1/2 button. Then, within five seconds of each other, press five buttons in any sequence you desire and this will be your new code. Hope this helps.
for what?
master code for what?
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