Thursday, November 24, 2011

Random/multiple cylinder misfire probable causes?

2000 Chevy Blazer 4wd 4.3L v6


My check engine light is on and i had a guy at work pull the codes and there were


egr stuck open


multiple/random cylinder misfire


and exhaust recirculation gases.


im hear that the erg can cause multiple misfire, but also a fuel pump, my gas gauge also wont go below half tank. any thoughts?|||Look for a vacuum leak. Look on the back of the flex tube that goes to the throttle body and make sure that the big vacuum hose is plugged in to it. It comes off real easy when you change your air filter and if you arent looking for it, you wont know its there.

How to fix code p0401 acura cl?

code p0401 Exhaust gas recirculation flow insufficient detected.


vehicle: 1997 acura cl 2.2|||Pretty obvious there's either lots of dirt or some other flow restriction, so a good cleaning is in order.


Take the EGR valve apart and clean or if not familiar with it, the job is not too expensive to have done.|||Clean up the inside of the EGR valve and don't forget to clean the ports in the intake manifold that the EGR connects to. Sometime, well most times, you have to chip out the carbon build with a screwdriver and hammere. Make sure you check the functioning of the valve by putting a vacuum on it.|||First step is take out the exhaust gas recirculation valve and have a look,they're usually coked up with crud,sometimes they'll clean up,lot of times not.|||Replace your EGR Valve and then disconnect the battery, step on the brakes to bleed off all the power, then reconnect the battery. Start the car, drive around to make sure the CEL doesn't come on.

Links for EGR in diesel engine ??

Please give me some links to read / learn about the basic concepts of Exhaust Gas Recirculation in Diesel engines. Any links which will explain the components and working priciple will also be helpful.|||Look at this link.


There are not many engine manufacturers going for this option to reduce NOx emissions as the simpler way is to adjust the camshaft timing, injection timing using VIT or to use an ammonia scrubber on the exhaust gas side after the turbocharger.


Look at the MAN B %26amp; W or Wartsila websites to see what they do.

VW Polo 1.4 (2003) EGR valve?

The emission warning light (pic of engine) has come on, gone off and now on again. Has been electronically diagnosed as the Exhaust Gas Recirculation (EGR) valve. Can anyone tell me where this is sited in my engine please so we can remove it and clean it as recommended.|||1.


Step 1





Disconnect the car battery. Locate the EGR valve. You may need to refer to the owner's manual.


2.


Step 2





Unhook the air supply hose, vacuum hose and all electrical connections. You may need the screwdriver for this.


3.


Step 3





Remove the EGR mounting bolts with the socket wrench.


4.


Step 4





Unbolt the EGR valve from the EGR tube with the wrench. Use a wide-mouthed wrench, which works best for this.


5.


Step 5





Look at the EGR valve. If there are holes in the valve, it definitely needs to be replaced. If there are no holes, you may opt to clean it by spraying a half can of carburetor cleaner into the valve. Let it sit, then use a gasket scraper, putty knife, small drill bit or long wood screw to scrape out the buildup in the valve.


6.


Step 6





Install a new gasket and EGR valve if a total replacement is due. Attach all hoses, wiring and bolts that were previously removed.


7.


Step 7





Reconnect the battery and test drive the car.


also you can go to http://www.know-car.com/index.php/catego鈥?/a> for your questions|||It's located on the exhaust between the manifold and the first catalytic converter. But cleaning it is a waste of time, if you take it off you should replace it, unless you want to clean it again in 3 months, unless you're on a tight budget in which case I understand

1997 Toyota Camry CEL - OBDII Code P0401?

1997 Toyota Camry, 4Cyl, ATM, 120K+ miles





My Camry's CEL came on last week. I got a hold of a scanner and found OBDII code P0401: Exhaust Gas Recirculation - Insufficient Flow. Could this mean the valve is bad? How can I check for this? Thanks.|||You need to install an EGR VSV to cure the concern|||unplugg the egr see if rpms change,if so just replace it its a lot easier and less hassel by the way rpms will go higher use a vacume tool to check.i have replaced proably 30 of them on 95 98 camrys valves are doubtful depends on miles if u think valves are dirty just have them cleaned but do not use walnut shells if u need help doing this i will tell u later.unplug vacum hose at master cylinder while car is running with somebody inside operating the throttle nevermind ihave to go ask me later sorry|||its a know problem its going to be the rear charcole canister vsv,trust me this is it

MONDEO MK3 EGR VALVE PROBLem?

had a diagnostic check on my 2001 duratec mondeo petrol came up code p0400 egr exhaust gas recirculation malfunction?? do i need to replace the valve itself ? where is it located on the duratec engine? any help with this would be great car drives great though still|||If it is driving OK and not failing an MOT I would leave it alone. The EGR valve will not be on the engine but somewhere off it like low down at the front.|||the egr valves are a common problem they alway through up a fault


it should be down round the back of the engine i think on the mondeo


either pop it off and clean it out


only image i could find is of a diesle one


see below in the link





also you can buy blanking plates that cover up the egr





for a new egr you would be looking at 拢160-拢200 new|||On the duratec engine your egr solenoid is located underneath your coil pack (follow the ht leads from the plugs to locate the coil pack)As you look at the engine it is on the right hand side of the cylinder head. It is always best to replace this component then clear the fault codes using suitable diagnostic equipment, hope this helps|||Your EGR valve is fitted to your exhaust manifold,it may just need removing and cleaning

2000 Chevrolet Silverado?

2000 Chevy ext cab 4.8L v8I got the diagnostic tester thing and it gave me the code and the def. was Exhaust Gas Recirculation control ciruit range/ Performance. Does any one know what this means and how i fix it? please and thanks|||Your Exhaust Gas Recirculation valve is sticking. It needs to be replaced. They are pretty expensive. It is located on the right side (passenger side) of the engine toward the front. It is cylindrical in shape and has a connector at the top. Very easy to replace.|||it is a egr valve and you need a new one it is close to or in line of your exhaust held by 2 or3 bolts it not to hard to do