The first reading i got was mass airflow sensor bad replaced with new one problem hasnt been removed code reads not enough electricity getting fto sensor how do i change harness and what is harness part called tim
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Re: check engine light 2001 ford taurus
Before you do anything, try removing the battery cable for a couple of minutes and then reinstalling it. This will clear the faults in the ECU. If the code comes up again, then you'll need to check your wiring.
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Error code 157 on your vehicle indicates a problem with your mass airflow sensor. The mass airflow sensor gives a reading based on the air intake and output within the engine compartment. A properly functioning sensor will contribute to better fuel economy. In some instances, you may be able to clean your mass airflow sensor to clear the error code, but the error will most likely return in a short time. Fortunately, replacing the mass airflow sensor is a reasonably simple repair.
the ECT sensor for the computer could be giving the computer a false temp reading and causing it to happen also..thats why it runs good warmed up... if this does not work, clean or replace mass airflow sensor. good-day ! ECT- engine coolant temperature sensor,
If the new unit only lasted a couple of months, and the engine light goes back on, I think that you should try to have it replaced at the auto parts store under their 90 day warranty policy, if they have that.
Try to go to a reputable source such as Autozone or Advance Auto Parts where they have a more liberal return and refund policy.
Usually, a MAF sensor once replaced shouldn't go bad in such a short time span.
Maybe, check that the voltage to the MAF sensor is not too much for the sensor, causing it to go bad. If that's the case, the computer reference signal voltage may be the culprit.
check compression on each cylinder and fuel pressure,I dont know if you have the tools,but for that engine whit 200,000 miles,I think the compression is down,at least you got to have 75 of compression on each cylinder.
Replace the coolant sensor,and make sure there is enough coolant in the system,and the mass air flow is most likely bad,but replace the coolant sensor first,cause the circuit is the same,sort of,it has to be in check for the reading of the mass air flow can be detected,so replace it first,it is the cheapest also,after changing the coolant sensor,you may not need to replace mass airflow sensor,but the mass air flow is not working,but like I said the coolant sensor needs to be replaced to make sure of this.
Make sure you replaced the right one there are two sensor's for the coolant, one takes coolant temp and the other one runs the fans for the radiator. Both are located on drivers side of the block. 2 wire leads on each how ever both are different in sending readings to the computer.Both look just alike also. Just make sure you replaced the right one. Or replace both.