Question about 1997 Chevrolet S-10 Pickup

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Chevy s/10 2.2 1997 po405 egr possible fixes - 1997 Chevrolet S-10 Pickup

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Take the egr off and try cleaning it, get a small brass brush and scrub it with a spray can brake cleaner clean the ports in the manifold with a chop stick. Try that repost if you need more help. 

Posted on Jul 24, 2009

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2005 chevy equinox what are problem codes po405


405 is EGR sensor circuit a low. 300 is random misfire. An open EGR can cause random misfires.

Aug 31, 2014 | 2005 Chevrolet Equinox

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Haw to fix PO405


P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
There may be no symptoms of a P0404 DTC other than the MIL (malfunction indicator lamp) or check engine light. However, Exhaust Gas Recirculation systems are inherently problematic due to carbon buildup in the intake manifold, etc. This normal buildup can lodge in an EGR valve, holding it open when it should be closed. If this is the case, the engine may idle rough, or not at all. If the valve has failed and is NOT opening, then symptoms would be higher combustion temps and as a result, higher Nox emissions. But the latter symptoms aren't going to be noticeable to a driver.
Possible Causes:
  • Short to ground in EGR signal or Reference circuits
  • Short to voltage in EGR ground or signal circuits
  • Bad EGR valve
  • Bad PCM wiring issues due to chafing or loose terminals

May 18, 2013 | 2001 Dodge Grand Caravan

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How do i fix code p0403 p0405 and p0134 on 2000 pontiac granprix 3.1 lot v6


CODE PO134 - HO2S 11 BANK 1 SENSOR 1 INSUFFICIENT ACTIVITY CONDITIONS. CODE PO403 - EGR SOLENOID CONTROL CIRCUIT MALFUNCTION. CODE PO405 - EGR POSITION SENSOR CIRCUIT LOW INPUT CONDITIONS. PROBLEM COULD BE THE EGR SOLENOID OR EGR POSITION SENSOR.

Mar 25, 2011 | 2000 Pontiac Grand Prix

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Erroe code po405 on my car


Hello.
The error code PO405 = EGR, ( Exhaust Gas Recirculation ), sensor A circuit low input.

What the EGR does;
EGR = Exhaust Gas Recirculation system
Recycles small amounts of exhaust gas from exhaust system, 8 to 10 %, and mixes it with intake manifold air going into the combustion chambers. The addition of this inert, or non-combustable exhaust gas limits the peak combustion temperatures to a range that is below 2,500 degrees F, where the formation of nitrogen oxide, ( NOx ), is known to occur.

Here's a picture of an EGR valve to help you locate yoursem1cl_1.jpg
You may find that you just have a lose hose, or you may have a small vacuum leak.

I hope this helps you.
Donnie

Mar 09, 2011 | Ford Focus Cars & Trucks

1 Answer

I have a po405 code , egr position sensor cuircuit high ,how do i change a egr valve on a 2006 dodge ram 1500?


Easy stuff my friend.use a 10mm socket and unbolt it from the head.also there's a tube and an 8mm socket can be used to remove them.4 bolts in all and replace the 2 gaskets.Erase the code if possible as well.

Dec 15, 2010 | 2005 Dodge Ram 1500

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Po 405 code on chevy duramax diesel 2002


CODE PO405 EGR VALVE POSITION SENSOR CIRCUIT LOW VOLTAGE.

Jul 21, 2010 | 2000 Chevrolet 2500

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2001 Isuzu Trooper PO405 code


The throttle body is coated with a sludge resistant material. If you cleaned it all out you are actually hurting your engines performance, because the throttle body resists sludge which in turn protects your throttle plate and bore. You may want to check your egr vacuum regulator, for the cause of your problem.

Jul 05, 2010 | 2001 Isuzu Trooper

3 Answers

Hey chevy s/10 2.2 code po405 egr any fixs


You have two options to fix this error code. One, obviously, you can replace the EGR valve. If you do this, just reset the codes and you should be good to go. Two, you can remove the EGR valve and clean the carbon build up out of it. You can do this with throttle body cleaner and just make sure to let it dry out before you put it back on. You need to make sure that the valve (diaphram) is moving freely after you clean it. If it isn't, you are going to need to replace the EGR valve. Let me know if you have any further questions. Thanks for rating my response and for using FixYa!

Jul 23, 2009 | Chevrolet S 10 Cars & Trucks

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DODGE CARAVAN PO405 CODE


2005 dodge caravan po404 and po405 , changed egr valve an had only po405. now listen heres the punch line disconnect the battery and touch the cables together to drain the capacitors for 30 secs.reconnect an BAM po405 is gone if it dont work ill give you your money back.

Jan 22, 2009 | 2005 Dodge Caravan

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