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2001 infiniti q45 bad egr valve cost

Bad egr valve engine light on how much to fix

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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keemo68
  • 1263 Answers

SOURCE: Oldsmobile Alero EGR valve bad

yes you can do it yourself the egr valve is located on the exaust manifold closest to the fire wall unfortunately it has to be replace. it has an electronic lead to it and is vaccum operated to replace it is not a difficult task. the part can be purchased at a Napa or Oreilly's for alot less than at a dealership. just make sure your gasket surfaces are clean for replacement of new gaskets. if you have a code reader than can reset the code that is a benefit however if you do not you have to have a scan tool to reset the code. please rate the solution....thanks

Posted on Sep 19, 2008

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  • 4 Answers

SOURCE: replace egr valve

Your 2001 Buick has digital linear EGR valve, and should be able to be replaced and the SES light cleared. When the conditions are correct, while driving, the computer will open the EGR valve and watch inputs from the valve itself, as well as the MAP sensor, and Oxygen sensor to verify proper operation of the EGR valve. There is no reprogramming required to change an EGR valve on a 2001 model year Buick. General Motors may have a re-flash available to correct an EGR issue, and sometimes they recommend this re-flash with a new part. I checked my sources for you and could not find any TSB (Technical Service Bulletins) that are associated with EGR valve replacement, or re-flashing of the computer to correct erroneous EGR codes. Regrettably, it sounds like you have an issue with your mechanic, and POSSIBLY a misdiagnosis. Hope this helps!

Posted on Feb 01, 2009

468 Chevelle
  • 81 Answers

SOURCE: Service engine code indicates EGR valve.

You could have a restriction in the egr ports. remove the valve. Plug the holes, start engine. 1 hole will be blowing out exhaust, the other will have large vacuum.

Posted on Mar 28, 2009

  • 2841 Answers

SOURCE: bad egr valve

You can try cleaning it. Go to your local parts store and buy a can of brake cleaner. Remove the EGR valve and spray it into the valve and let it set 8 hours. Pour out the cleaner and clean the carbon off with a wire brush. Reinstall the valve and see if that helps. If not, you will have to buy a new one and it will not cost $316 if you DIY.

Posted on Oct 18, 2009

toneman2121
  • 775 Answers

SOURCE: check engine light on-code says egr valve is bad

the egr system consists of control circuits as well as the egr valve itself. troubleshooting will have to be performed in order to pinpoint the fault. the valve may just need cleaning. there may be damage in the long run since the egr system introduces exhaust gas to the air intake to reduce combustion temperatures.

http://www.aa1car.com/library/egr.htm

Posted on Apr 21, 2010

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2 Answers

2002 Q45 infiniti Cranks but won't start


I am having the same issue on my 2002 Q45, most people that have had this problem have replaced the Starter Solenoid - You dont need to replace the whole starter, unless you have alot of miles. I ordered the part and I am going to try and install it this weekend. Almost everyone with this problem said that after replacing the solenoid the problem went away. Either do it yourself or have an independent mechanic do this, the dealer wants $900 for replacing the starter parts and labor. Solenoid is about 92 bucks online OEM.

Jun 02, 2012 | 2004 Infiniti Q45

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What does it mean if the knock sensor is bad on a 1997 q45?


The knock sensoris suppose to ****** the spark so you will not burn up a valve or cause other engine damage. They are replaceable and just screw into the engine block.

Mar 29, 2012 | Infiniti Q45 Cars & Trucks

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Repairing the light on the analog clock of a 2002 infinity Q45


repairing the light on the analog clock of a 2002 infinity Q45
i want ti know which model should i buy (bulbs burned)

Jan 15, 2011 | 2004 Infiniti Q45

1 Answer

I have the engine check light on my 2001 Hyundai XG 300. The codes I brought up with the OBD2 reader were P0100 P0115 P0120 P1600 What would you suggest is the problem and fix on this I also...


Welcome to FIxYa.com
Description of codes are:
P01600 - Serial cable malfunction-- check connection,
Po115-Coolant sensor-indicates a open or short-circuit in the engine coolant temperature sensor circuit.

The P0401 code is Insufficient Flow Exhaust Gas Recirculation System.

The code is set when the engien computer detects less than the requested amount of EGR flow when the engine is hot and is under load.

What usually sets the code is an inoperative EGR valve, or a carbon clogged port under the EGR valve.

On your engine, the EGR valve is vacuum operated, and there is a little computer-controlled EGR solenodi valve in the vacuum hose that detemines how much vacuum the EGR valve gets. If this solenoid is bad, or there is a vacuum leak in one of the hoses, the EGR valve won't open when it should setting the code.

Since the dealer already cleaned the EGR valve tube, I would suspect your problem is likely due to a bad EGR solenoid valve or a leaky vacuum hose to the EGR valve.


Here is the EGR solenoid valve part number and list price:

P/N 3946038750 $40.59



I would clear the codes first and run engine for two min and re-check codes.



Write to me of the findings and we will go from there.





Regards, Lee Davidian


A Four Thumbs up ^^^^ is appreciated for answering your question.

Thank you, Lee Davidian

Oct 19, 2010 | 2001 Hyundai XG300

2 Answers

My check engine light and TCS light came on. Code


P0401: Isufficient Flow Detected in EGR system.
-clean the EGR port with the carburetor cleaner.
-clean the EGR passage inside the EGR valve with the caburetor cleaner.
Reset the light, if the light still coming back, then replace the EGR valve.

Apr 26, 2010 | 2000 Honda Accord

1 Answer

I have an Infinity q45 1999. The


take it to a local mechanic ,he should be able to put the light out for you and advise what the other lights are for

Mar 17, 2010 | 1997 Infiniti.5 Q45

1 Answer

94 Infiniti Q45 engine light, sputters an vibrates in idle.


You need to have the system scanned for fault codes.

Oct 27, 2017 | Infiniti Q45 Cars & Trucks

2 Answers

Egr valve sets off my engine light and they say its low air flow what needs to be changed.


Could be a bad egr valve, but check all the vacuum hoses. Fix any cracks, holes and any hoses that popped off.

Aug 21, 2009 | 2002 Ford Escape

1 Answer

Engine service light


The DPFE (Diferential Pressure Sensor)sensor is usually mounted on the engine and is connected to the pipe that runs from the exhaust manifold to the EGR valve with two rubber hoses. When the sensor goes bad, the Check Engine light comes on and typically sets any or all of teh following fault codes: P0171 & P0174 (lean codes), and/or P0401 (insufficient EGR flow). Nine out of ten times, the fault is not a bad EGR valve or a vacuum leak, but a bad DPFE sensor. A replacement costs about $112 at Ford, or about $48 at an aftermarket auto parts store.I hope this helps.

Sep 30, 2008 | 2001 Ford Mustang

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