Question about 1998 Oldsmobile Intrigue

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HOW TO CLEAN THE EGR VALVE ?

IT WON'T PASS EMISSIONS TEST, AUTOZONE SAY'S THAT IT'S NOT FLOWING PROPERLY, AND THE CHEAPEST ONE I'VE COME ACROSS IS $139.00

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1 Answer

Wher egr value located


Here's a link to a picture of what the EGR look's like,it's at the back of the engine,easy to remove.When bad, vehicles can experience poor engine performance, poor idle, high NOx emissions, failed emissions test, hesitation, engine surging http://www.autozone.com/emission-control-and-exhaust/egr-valve/duralast-egr-valve/volvo/960/1995/6-cylinders-9-2-9l-efi-dohc/857098_162245_0

Sep 27, 2015 | 1995 Volvo 960

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Did not pass emissions test for hydrocarbons


When was You're last Tune up?
Check the Spark Plugs to make sure the Gap is correct. HC is unburned fuel ,Check the Air filter and Replace as necessary,If coil over plugs Make sure to replace the Boots on the coils as they have a tendency to Bleed and wont show a trouble code.otherwise Change the Spark Plug Wires this should Clear You're Problem

Dec 31, 2014 | GMC Cars & Trucks

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Why would my car not pass Georgia Emissions testing?


Can you remember how many miles you have driven since the engine was installed? What I mean is that if you have a good running engine and have a new converter, sometimes the easiest things are the ones overlooked. Check your air filter to make sure it isn't dirty and restricting air flow. Also check your spark plugs to see what kind of shape they are in and if they are burning clean. Spark plugs can tell a lot. If you had transfered any emission related parts from the old engine to the new, maybe one of those items has an issue or is clogged. I hope this helps. Good luck.

Jul 01, 2014 | 1992 Pontiac Sunbird

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95 cougar 4.6l wont pass emissions heavy smoke out tailpipe but runs fine spark plugs are new,no misfires, rechecked plugs and are not oil or fuel soaked. all fluid levels are staying the same. have egr...


YOUR EGR VALVE IS A PRESSURE FEED BACK ELECTRONIC VALVE.IF YOU USE A HAND VACCUM PUMP AND PUMP 5 HG TO EGR VALVE THE IDLE SPEED IS NOT SUPPOSE TO DROP AND ENGINE SHOULD NOT STALL OUT,YOUR EGR VALVE PAST THE VACUUM TEST.PROBLEM COULD BE PRESSURE TRANSDUCER OR THE EGR VALVE INTAKE PORT HOLES WHERE EGR VALVE SIT IS STOPPED UP WITH CARBON.CLEAN CARBON HOLE IN THE INTAKE WHERE EGR VALVE MOUNT TO.YOU CAN USE SMALL SCREW DRIVER OR PIECE OLD CLOTHES HANGER SEE WHAT HAPPENS.

Oct 12, 2011 | 1995 Mercury Cougar

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What does No ppm mean?failed e-test


Here is some info for you to read, besides me explaining what ppm is, i also gave you some info of how to solve this, Ain't that special LOL. Mike

Overall Result: PASS or FAIL. A vehicle with a properly operating engine and catalytic converter will have very low HC and CO readings. However as a vehicle ages the HC and CO emissions will increase and may become erratic. As a vehicle ages it becomes increasingly important to be sure that the engine and converter are fully warmed up before the test to have the best chance of passing the test.

HC (PPM): The parts per million of hydrocarbons (unburned or partially burnt gasoline) in the exhaust.

CO (%): The percentage of the exhaust that is carbon monoxide (CO).

CO +CO2 (%): Complete combustion in the engine or catalytic converter will result in very little carbon monoxide (CO) and a high percentage (up to about 16%) of carbon dioxide (CO2) in the exhaust.

O2 (%): When there is complete combustion in the engine or catalytic converter there is a very little oxygen (O2) in the exhaust. Usually less than one percent. A higher reading indicates a problem with the engine, the exhaust system, the sampling system or the catalytic converter. Vehicles do not pass or fail because of the O2 reading; it is only diagnostic information.

RPM: The engine speed in revolutions per minute (RPM) or N/A.

Cruise Limit: The maximum allowable HC and CO emissions at 2500 rpm. The CO+CO2 (%) must equal or exceed 6. This verifies an adequate sample of the exhaust has been obtained. N/A for O2 and RPM.

Cruise Emissions: The emission readings measured at 2500 rpm.

Cruise Result: PASS, FAIL or N/A.

Idle Limit: The maximum allowable HC or CO emissions at idle. The CO+ CO2 (%) must equal or exceed 6. This verifies an adequate sample of the exhaust has been obtained. N/A for O2 and RPM.



These are the possible problems:

bad o2 sensor
bad EGR valve
bad cat
bad timing
dirty injectors
bad plugs or wires
the less costly fixes include replacement of the o2 sensor and EGR valve i would not clean the EGR I would buy a new one there are very cheap you can pick these up at any local parts store .
also run some injector cleaner through your car at least a full tank of gas and one bottle of injector cleaner should be ran through.
you can also have your timing checked for a relatively low price.
and when you go into to have the vehicle checked make sure the car is been running because your cat convertor has to be warm in order to preform at it peak so do not do it when the car is cold.
all of the above are pretty reasonable fixes the general rule of thumb when you work on your own vehicle is start with the cheapest fix first then go on to the next.

Aug 11, 2011 | 2000 Saturn Ls 4dr Sedan

1 Answer

My engine light is on and had autozone check it and the code was for the egr valve? can i clean it or do i have to replace? what should i do ?


If you have a mechanical EGR stuck open you may be able to use a screw driver blade placed on the metal cap of the diaphragm and lightly tap the top of the screw drive to free the EGR. This helped me pass the emissions test once and saved me a few hundred dollars.

Aug 13, 2010 | 2000 Mazda Protege

1 Answer

I have a 1998 dodge stratus and the code 403 egr flow cicuit malfunction comes up how can i fix this problem so i can pass inspection


Check all vacuum lines to the EGR valve, the EGR valve is between the intake and the exhaust, EGR stands for Exhaust Gas Recirulator valve. It must be able to flow properly in order to pass emissions anyway if they do a smog test.

Jun 25, 2010 | Cars & Trucks

2 Answers

Can an egr valve be cleaned


Remove EGR with carb. cleaner spray plunger, with screw driver work plunger in and out ( shoulb be spring ) till it goes in and out freely, make sure gasket is good.

Jan 02, 2010 | 1998 Buick Skylark

3 Answers

Autozone hooked the car up to its diagnostic computer it read that the egr valve but they said it could be one of 6 things it could be,is this true?


Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Oct 17, 2009 | 1995 Lincoln Town Car

2 Answers

Cannot pass inspection. emissions.


go to a place like autozone or pepboy autoparts
tey will the code retriver myth have a factory code
that service is free,if they are code they will explane
wath next

Apr 19, 2009 | Geo Prizm Cars & Trucks

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