2002 taurus SEL-5 engine codes to go with light and problems
I have an 02 taurus DOHC engine. I had codes run and got 5 back. They are P0136, P0141, P0303, P0316, P0302. They came with descriptions saying that cylinders 2 and 3 have misfires, and heated oxygen sensor bank sensor 2 is defective. and that Crank sensor is defective. Where do i start to look for parts in to replace to get this back to normal and get the engine light off?
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Re: 2002 taurus SEL-5 engine codes to go with light and...
Cylinders 2, 3 have coil packs change out located on back of motor. you will have to take the upper intake off to get to them. Very easy to do. #2 center plug on back of motor #3 is on drivers side of motor. Crank sensor you will have to remove tire on car passenager side next look at crank pulley on left side of block you will se two wires the heat cover running to it.
Change these first it might correct the O2 sensor problem.
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P0442 FORD - Evaporative Emission System Leak Detected Small Leak
Possible causes- Missing or loose fuel cap - Incorrect fuel filler cap used - Fuel filler cap remains open or fails to close - Foreign matter caught in fuel filler cap - EVAP canister or fuel tank leaks - EVAP system hose leaking - Fuel tank leaking P0136 - O2 Sensor Circuit Malfunction Bank 1 Sensor 2 Possible causes- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted - Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection - Faulty Rear Heated Oxygen Sensor Bank 1 - Inappropriate fuel pressure - Faulty fuel injectors - Intake air leaks may be faulty - Exhaust gas leaks
P0141 FORD - O2 Heater Circuit Bank 1 Sensor 2
Possible causes- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection - Faulty Engine Control Module (ECM)
Unfortunetely none of those codes will be related! Is this car a manual trans? Seen some clutch switches go bad.. But either way double check the starter relay and even try swapping it with another one in the under hood fuse block... Depending on where you live I have found ants love to get there *** into the relay boxes for some **** reason...and they will short the heck out of em!, But the codes your pulling will not be the reason for the clicking,02 effects how it runs, fuel metering also, evap is for emissions only..
the transmission replcement mechanic may have missed plugging the 02 sensor back up,or layed the 02 sensor wires across the exhaust system,which burnt the 02 sensor wires.they also may have missed plugging sensors back up. suggest you go back to replacement mechanic and have them explain to you why it does'nt run the same. but do not be fooled,somethings not plugged back correctly.i know budget living. is check engine light on? if so, auto zone and advance auto parts can diagnose with printout for free. no charge! hope this helps and thank you for choosing fixya.com us marine retired
p0136 means: 02 sensor malfunction( bank 1 sensor 2) your DOWNSTREAM oxygen sensor has malfunctioned. In other words,the one that is on BANK #1, AFTER the catalytic converter. bank 1 is where number 1 cylinder is.
it could have been running bad with the bad plugs. reset the computer and see if the light comes back on. you may have already fixed it. to reset the computer take the positive cable from the car off the battery and give it 3-5min
to discharge then touch the positive cable from the car to the negative
cable (still attached to the battery) for about 5 seconds and then hook
back up the positive post and that will reset the computer.