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I want to now how many catalitics has mercury mariner premier and whwre are them? which type, for buy the catalitics in amazon

I wwant buy catalitic for my mercury mariner and i need to see what kind of catalitic are?

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SOURCE: repair a4 audi 2004, mass air flow sensor,

hi this might not be the MAF but the MAP sensor as this is the thing that normally gives you this sort of fault, the MAF adjusts the air and fuel mix but the MAP adjusts the air and fuel mix and also the timing via the ECM , normally if it is the MAF it will just idle rough and still run as normal, but jerky and bogs down but does not stall, so if anything i would opt for the MAP sensor first before the MAF...hope this helps

Posted on Sep 20, 2010

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Wheres the fuel filter on a 2005 mercury mariner premier 3.0 engine .

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I've code p430 and p1000 and it said something about air gas controller

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I would like to know where all the o2 sensors are on my 2003 Ford Windstar minivan???

You have one on each manifold pre catalitc converter then you have one after catalitic converter sometime the use as many as four one before the catalitic converter and one after this controls fuel trim and tells the computer if the catalitc conveter is working or not. If it has two one before and one after the catalitic converter this is usedd to control overall long fuel trim. the two on each manifold will be heated so the engine will reach closed loop quickly once in close loop this allows for the rest of the engine componets to work, and that includes knock sensor timing advance and ****** and fuel rail pressure more or less depending on readingsform 02 sensors also controls when the egr VALVE comes on, if it comes on too quickly it will cause the engine to get poor fuel mileage and casue spitting out of black smoke from being to rich. Also could plug the catalitic converter and could damage the engine. Thanks for using fix-ya and hope this helps.

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When im taking off or put on the gas the car doesnt want to move

Make sure you renew your fuel filter every 35000 miles.Also, check the exhaust flow out of your tail pipe. The catalitic converter may be cloged up.It happens.Have someone press down on the gas while you feel the flow out of the tail pipe. Does it feel restricked? I had to have mine on my 2001 replaced at only 44000 miles. I had them put on a "High Flow" type.

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Exact location of downstream O2 sensor.

Downstream O2 sensor is after (downstream) the catalitic converter on the exhaust pipe. Upstream O2 sensor is after (downstream) the engine exhaust manifold - before (upstream) the catalitic converter. Upstream O2 sensor controls air-to-fuel ratio to yield a small excess oxygen. Downstream O2 sensor assesses the catalitic converter performance.

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Fuel filter.or catalitic converter. I had 44000 on my Monte Carlo when it acted like it could not breath. The catalitic converter was clogged. I got a new high flow type.GM covered my replacement.

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