Question about 1993 Mercury Villager
Computer analysis has identified a problem with the mass air flow sensor. I understand there is a spray type product that may fix the problem. If that is right, what product may work best ??
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Posted on Jan 02, 2017
I just got done replacing the O2 sensors in my 99 Cougar due to throwing a P0135 malfunction code. There's 3. Facing the engine there's one in the front coming off of the front header, which is easy to get to. Another more tricky one if between the engine and the fire wall on the rear header pipe. The third is under the vehicle behind the transmission pan on top of the exhaust. In order to replace the O2 sensor near the fire wall you will need to remove the 4 retaining bolts for the ECM module and move it out of the way. Additionally you will need to remove the 2 retaining nuts for a wiring harness that is seated below the ECM module. Pay close attention to the connectors because the front and under vehicle O2 sensors have round connectors the one near the firewall has a squared connector. I was able to replace all 3 by myself in approximately 35 minutes. If your throwing a O2 heater malfunction code it is most likely going to be the sensor near the firewall. make sure that you know someone with a code reader so the code can be cleared. If you're do for an emmissions inspection be sure to put at least 40 miles on the new O2 sensor with different types of driving (e.g. highway, coasting, decellerated turns and rapid acceleration). Gotta love project cars for your kids!!
Posted on Apr 04, 2009
SOURCE: trouble code P0102
You cant clean the mass air flow.Only renew it.Cleaning it does nothing has it has a printed curcuit inside and its that that goes wrong with them.They supposed to be changed every 60kSo i would recomend you change it.Good luck hope that was helpfull.pippall
Posted on Aug 11, 2009
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