Question about 2004 Ford Taurus

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2004 ford taurus lacks power wont rev above three thousand rpm and wont drive over twenty miles per hour replaced intake manifold and catalytic assymbly and problem pressists

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Just wondering if it has an automatic transmissioin or manual, because it might be related to the driveline and not the engine...also, have you had a compression check done, checked the state of the spark plugs these will provide genuine insights into how the engine is "feeling"

Posted on Aug 23, 2010


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I have a 2005 gmc envoy xl the rpm's are real low and it wont go over 15 miles per hour

Could be catalytic converters clogged. Remove the pre O2 sensors, or loosen the exhaust at the manifold. If it goes faster, replace the cats. Have the codes read.

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My 2004 mazda 3 wont rev properly and lack of power especially mid rev range

If the spark plugs have a lot of miles on them that would be a good thing to change out. Also check for air leaks in the intake system. The EGR plumbing can get crusty and crack after a lot of miles. You may have some clogged injectors that would benefit from a couple bottles of injector cleaner in the tank. If you have a CEL light, stop by an auto store to get the code scanned.

Feb 01, 2016 | 2004 Mazda 3

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At cold start my rpm goes to 2k then to zero and stalls during driving the rpm will rise to1k or more

My '04 Taurus did the same thing a while back and it was due to a baked O-Ring that seals the intake manifold runner control to the manifold. Google; Intake Manifold Runner Control O-Ring 2001 Ford Taurus. Those O-Rings are available at Ford ($11) or a Harbor Freight Tools for around $1. If you wanna cheat on the job (don't tell anyone I told you this!) just clean all around the control on the right rear of your manifold, then glop on some silicone sealer all around it where it mounts to the manifold and give it a few hours to dry.

Mar 03, 2015 | 2001 Ford Taurus

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Obd 2 code reads p 15 18. There is no code number to relate to the problem. Do you have the answer? [ check engine light on 1999 ford taurus]

code p1518= intake manifold runner control (IMRC) malfunction (stuck open)

the intake manifold has two runners per cylinder, feeding each of the cylinder heads
the IMRC assemblies are located between the intake manifold and two air passages for each cylinder.
one air passage is always open and the other passage switches from means of a valve plate.
below 3000 rpm, this valve plate is closed to improve low speed performance.
above 3000 rpm, this valve plate opens to improve high-speed exceleration.
the valve plates are opened and closed by the IMRC deactivation by the powertrain control module
(pcm) if your car or truck is not affected by the error code, the pcm may need to be reprogrammed
so that the error does not come up again. or you can connect an obd2 scanner and reset ever y time
it comes up. good luck!

Feb 10, 2011 | 1999 Ford Taurus

1 Answer

2004 ford escape engine emission light on lunges while idleing

I have found this to be a common problem on 2001-2006 V6 Ford Escapes. In 99% of these cases the problem is the Catalytic Converter. The V6 has three in-total, one per exhaust manifold, and one after the Y connection. This third catalytic converter is the one that always gets clogged. Another clue to it's failure is a loss of power and a increase in fuel consumption. The later 2006-2008 have a redesigned exhaust system. Hope that helps.

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1 Answer

1990 Ford F150 Rpm revs up two or three thousand RPM when in gear

Its sounds like your trans clutch plates are wearing out try thicker oil or it may be time for a serious replacement

If you check and drain your oil that's where you'll find your answers its supposed to be bright red not brown or smell like burnt so its a start to begin checking

Sep 24, 2009 | 1990 Ford F150

1 Answer

Changing sparkplugs on a 2006 Ford Taurus

The intake manifold is very easy to pull off this vehicle, i strongly recommend replacing the intake gasket when doing so. Cannot find aftermarket repair manual however you can get a ford one of ebay hope this helps

Sep 20, 2009 | 2006 Ford Taurus

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