Question about 1990 Dodge Spirit

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91 dodge spirit failed emission test,guy said it may be PCV valve.Where is it located?

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I believe it's in the rocker cover with a hose attached to it. Pull it out, hose & all , & remove it. Good luck!

Posted on Oct 25, 2010


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What make this car fail emission test.... high n.o

Lean Fuel Mixture
Defective EGR System
Defective Catalytic Converter (CAT)
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Engine Overheating

Jul 23, 2014 | 1992 Dodge Spirit

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When I have to replace PCV valve

The PCV valve is only needed to be replaced when it no longer works properly. Look for the PCV valve and disconnect it from the engine and from the vacuum supply.. The valve should be clean and rattle when shook.
Symptoms of a failed PCV can be poor idle quality, oily residue in the air inlet of the intake manifold or possibly fail emissions test.

Apr 28, 2014 | 2006 Ford Five Hundred

1 Answer

Failed emissions test

Depends on the engine year. On modern, computer controlled cars, a bad egr valve will turn on the 'check engine' light and cause you to fail an emissions test. On older, cars, 70's and early 80's, it doesn't have much effect, but it is easy and cheap to replace it. On newer cars, it is essential, hard to find and a PITA to replace.

Apr 02, 2014 | 1995 Dodge Neon

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My 1997 Honda Civic failed it's Emissions Test. See below the ASM Emission Test Results. What do you suggest I do to get the car to pass the smog test? ASM Emission Test Results: 15mph - RPM = 1587...

Jose, I don't know if this will give you the answer you are looking for because there are many things to consider here. The exhaust gas recirculation valve (EGR) is one of the main things involved in reducing NO emissions. This valve is controled by the power control module. (PCM) This is your vehicles computer. The PCM monitors the vehicles speed and will command the EGR to open when the vehicle attains a certain speed, which is why the ASM test being done is recorded at two different speeds. At 25 MPH your vehicle failed the hydrocarbon (HC) emissions limit and this could be for a number of reasons. When is the last time you car was tuned up? Old spark plugs, wires, clogged air filters, oxygen sensors, leaking injectors (personal experience) or the PCV valve could be contributing to the results of the test. I guess that the easiest way to go is to tune up the engine replacing the spark plugs, wires, air filter and the PCV valve and don't forget to have the oil changed at the same time. Only then should have the vehicle retested and see what the results are. Should it fail again you may have to consider having the EGR or the catalytic converter replaced depending on what portion of the test fails. If the NO fails I would consider the EGR. If the HC fails then I would consider the catalytic converter. Good luck with this.

Apr 05, 2011 | 1997 Honda Civic

1 Answer

93 civic failing emissions test... tested 3 times, replaced plugs, wires, o2 sensor, catalytic, and retarded the timing slightly...passes curb idle...fails all 3 on ASM2525

check for any vacuum leaks, run some injector and combustion cleaner through it, check the pcv valve and the egr valve, and fresh oil, can't think of anything else

Nov 17, 2010 | 1993 Honda Civic 4 Door

1 Answer


Yep the P0441 is : The evaporative emission control bad purge flow. You wont be able to run the component test for this issue without a good scan-tool of component tester. It may have to do with the flow control valve. It should be located next to the charcoal canister.

May 03, 2010 | 2004 Dodge Intrepid

1 Answer

Failed AZ emmisions test

On the side of the dome shape intake manifold closest to the belts, there is either a sensor with a 3 wire plug going to it or just a vacuum hose (it depends on what engine you have in your car as some have the valve visible while others have it hidden). If you have the dome, remove it and you'll see something that looks like a lid. take the lid off and the pcv valve will be behind the lid

Aug 21, 2009 | 1993 Oldsmobile Cutlass Supreme

1 Answer

1995 Toyota Camry - Code 71 - failed emissions tests

replace the EGR switching valve and have the machanic clear the engine check light. I think it should help

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1 Answer

Pcv valve and emissions

when you are looking at the motor it is located on the valve cover it has about a half inch diameter hose attatched to it. i belive it threads into valve cover. also try going to local auto parts store and look at a haynes manual

Dec 27, 2008 | 1990 Nissan Stanza

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