SOURCE: DPFE Sensor with codes PO401 And PO402
The DPFE is located near the EGR valve, it has 2 very thick silicone rubber hoses connected to it that come off the exhaust. It is rectangular and about 1/2 the size of a pack of smokes
SOURCE: O2 Sensor defect
MR988905 costs $300+
SNG O2 sensor is just below $100
they may claim being made with the same quality and both are tagged "direct fit" for easy installation.
its just my idea, good luck.
SOURCE: is it possible to adjust a throttle position sensor on a 2000 montero sport?
when your vehical throws a code and you replace the defective part, you must clear the code or the ecm will still recognize it as an active code.
SOURCE: thermostat montero sport?
It should be found at the bottom hose that goes to the bottom of the radiator and located towards the engine block. You should be able to see a plug and wires coming out of it.
SOURCE: Where are the four O2 sensors on a 2003 Montero
According to the service literature I read, the 2003 Montero Sport with the 3.0 or 3.5 L engine does not have O2 sensors listed even in the maintenance schedule. The 2.4 L engine has it on the exhaust manifold though.
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However, the following lists the par, though for before or after the catalytic converter:
http://www.partstrain.com/store/index.php?VN=4294967180+4294966587+4294964143+&Nr=AND(universal:0)&N=0&Ntt=Oxygen%20Sensor
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I think that $250 to $300 is reasonable if the Oxygen sensors are stuck in there with rust and the threads are preserved by the technician. Oxygen Sensor replacement can be tricky.
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Good luck on this repair.
Exhaust Manifold
REMOVAL & INSTALLATION
2.4L Engine
CAUTION
Wait at least 90 seconds after the negative
battery cable is disconnected to prevent possible deployment of the air bag.
To install:
M10 mounting bolts 36 ft. lbs. (49 Nm). starting from the middle and working
outward.
Nm).
3.0L and 3.5L Engines
flatness and/or damage.
To install:
3.0L engines and 22 ft. lbs. (29 Nm) on 3.5L engines.
Testimonial: "Thanks, it gave me some assurances the work was reasonable. I am pretty handy, this would have been new territory. Others made it sound VERY simple."
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