Question about 1998 Plymouth Breeze

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Egr valve My 98 plymouth breeze has the check engine light on. The exhaust manifold cracked first, later the light came on. My mechanic said the egr valve needed to be replaced, then the light would go out. My question is .....if I replace the egr valve will the light go out and pass smog? Does it even matter because the manifold is cracked?

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Well nanifold is part of the emission and the egr repair both and save time re e testing it! you want it to go through first time with the above wrong it wont pass!!

Posted on Jan 05, 2009


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1 Answer

Found a crack in the exhaust manifold

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Cannot find the oxygen sensors on my 98 plymouth breeze

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Most all O2 Sensors are in both ends of the converter

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Jun 08, 2011 | Plymouth Breeze Cars & Trucks

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1998 plymouth breeze: Engine light on. Code reads exhaust gas recirculation flow insufficient detected. Code is P0401. What does this mean?

EGR system failure. The negative battery cable must be removed first. The EGR is the system under the hood, between the fuse box and the block. The TCM Looks kind of like a radiator, and needs to be removed to access the EGR valve. It has two vaccumn hoses connecting it to the vaccuum system, make sure you keep track of where they connect to. Loosena nd removed the bolts holding the EGR, and gently remove the EGR valve.
Remove the old gasket and replace with a new one, install the new EGR and finger tighten the bolts. Make sure the vaccuum hoses are placed back on (label them if needed), once you have ensure that you have everything installed properly, then tighten the bolts on the EGR to 200 ft. lbs. Re-install the TCM and connectors, reconnect teh battery and you should be good to go.

Aug 12, 2010 | 1998 Plymouth Breeze

1 Answer

Egr valve when does it operate

The EGR (exhaust gas recirculation) valve

What is it? This is a device that reduces engine emissions of nitric oxides by allowing a measured amount of exhaust gas to re-enter the intake manifold and mix with the air prior to entering the cylinders. The EGR can be vacuum or electrically driven or a combination of both.

Where is it located? The EGR is most often associated with the intake manifold. The EGR will be sited at a point of contact with both the exhaust and intake manifolds. If the exhaust manifold is remote, for example on the other side of the engine to the intake manifold, there will often be an exhaust feed pipe leading from the exhaust manifold to the EGR sited on the intake manifold.

How does it work? Generally intake manifold vacuum acting on a diaphragm draws up on a valve to open a connection between an entry port from the exhaust gases and an exit port to the intake manifold. An open EGR port makes starting difficult so the valve operation is often impeded by an electrical over-ride until the engine has warmed up, as signaled to the ECU by the coolant temperature sender. In some cases, a differential pressure feedback exhaust (DPFE) sensor fed by pipes from the exhaust feed to the EGR informs the ECU when and by how much the EGR should be open.

Symptoms of faulty EGR

The EGR has two possible fault modes either it is a) open when it should be closed or b) closed when it should be open. (some EGR faults are in fact more likely to be DPFE related)
  • Poor idling: ‘hunts’ at idle and generally rough engine performance. This is due to the air ingress through the split diaphragm or the EGR valve being left open, either event compromises the intake manifold vacuum and in turn this interferes with the ECU’s ability to deliver accurate fuel to air ratio for a given engine speed.
  • Misfire and ‘pinking’: if the EGR is jammed closed or the exhaust feed pipe is blocked (e.g. gummed up with baked carbon) the engine ignition runs lean and very hot, so hot in fact that the fuel air mix can spontaneously ignite causing a misfire. The misfire if pronounced can, in turn, be detected by the engine knock sensors and this gives the appropriate on board diagnostic error codes along with the check engine light. Due to the diesel engines creating more soot in the exhaust a blocked EGR is a much more common complaint in diesels than petrol cars.
  • Surging: A sticking EGR valve can lead to an effect of rhythmic surging a bit like the MAF fault, especially in turbo charged engines. Normally on a warmed up engine the vacuum from the inlet manifold opens the EGR. If the EGR fails to open promptly the turbo can be subject to a slight boost. Extra fuel/air mix is pushed into the inlet manifold as a result, increasing pressure (decreasing the vacuum). Without vacuum in the inlet manifold the EGR closes again but if sticky does so only slowly. This may allow inlet gases to flow through the EGR into the exhaust manifold for a split second. There is a time lag in the sequence of these events leading the engine to surge in cyclical manner.

How to check? With the engine running it may be possible to force the EGR valve open by pressing on the diaphragm with one’s fingers. Failing that pulling off the vacuum line to the EGR, blocking the pipe on the inlet manifold and applying vacuum to the EGR to monitor function will determine if the diaphragm is split. Removal of the EGR assembly and examination of the ports and valve mechanism will reveal any carbon build up.

How to fix? If the diaphragm is split then the EGR needs to be replaced. Most EGR problems are linked to carbon soot build up and this can be cleaned using a cloth, brush and carburetor choke cleaner spray. If the exhaust feeder pipe is blocked this can be cleaned using a piece of frayed hand brake cable as an internal brush. This makeshift brush can be further enhanced by mounting it in a drill to sweep dirt from the interior of lengths of pipe. Some cars (Hondas are a good example) have an elaborate passage way system to provide exhaust gas to each inlet pipe runner. The only way to clean these out is by removing the blanking plugs (no easy task) and then using the makeshift rotary wire brush and carburetor choke spray. New blanking plugs have to be reinstated to make good the passage ways assembly.

Jul 14, 2010 | 1992 Ford Explorer

1 Answer

2006 Honda Pilot. JUST started hesitating when push gas, Lunges one second later. Takes longer cranking. Both only in last 2 days. Engine light too. Codes are P0301, P0302, P0303...P0306, (each...


Jul 05, 2010 | 2006 Honda Pilot

1 Answer

Check Engine Light code P1497

P1497 EGR Valve Motor Coil '2' Open or Shorted / EGR Stepper Motor Malfunction - Circuit 2 (1.8L)

Check EGR valve, wires and harnesses.

Gooc luck.

Jun 05, 2010 | 2000 Plymouth Breeze

1 Answer

1998 plymoth breeze, egr location and any tricks to replacing it

on back side of engine on exhaust manifold ... and a easy clip 2 remove ... but egr might be rusted .. so easy way is to take off exhaust all the way and tap with hammer and muscle it out ... but dont do not break it .

Jan 19, 2010 | 1998 Plymouth Breeze

3 Answers

I took my van to Auto zone after my service engine light came on. They said it had something to do with my egr valve, issue is I have no idea where the egr valve is. Can someone tell me?

The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. It looks like this.9d42c16.jpg

Oct 01, 2009 | 1998 Plymouth Grand Voyager

1 Answer

Where is oil sending unit located for 98 plymouth breeze

In the block on the right side (rear side near firewall) close to the transmission under the exhaust manifold.

May 18, 2009 | 1998 Plymouth Breeze

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