Question about 2001 Daewoo Leganza

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2001 deawoo leganza code p0401

Car runs rough if you give it too much gas run good if you give it a little gas idels fine i am getting a code p0401

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The egr valve has insufficient flow, take it off, or have it taken off, and clean the under side of it, there might be a port clogged, or the diaphram inside is leaking, in which case the valve will need replacing.

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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2002 Saturn SL2 P0301 and P0410


Here's a link on your P0301 code. P0301 OBD II Trouble Code Here's the link for the P0401 code. P0401 Saturn Exhaust Gas Recirculation Flow Insufficient your egr passage may be blocked.

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I have 01 trooper replaced gas cap now check engine light off, but I have a p0300 code will it pass smog.?.


Many states will not pass a vehicle with a check engine light.

The P03000 code you have has little to do with the gas cap, rather it is a random misfire code. read more about this code and possible fixes in the link below. Good luck!

http://www.obd-codes.com/p0300

Jul 24, 2015 | 2001 Isuzu Trooper

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Why is my car running bad and i get know error codes


The basics for a rough idle, check for a leak of some kind, fuel--egr--vacuum.
Problem at higher rpms, the basics, check for a blockage of some kind, the two things I think of first is fuel and exhaust.
I'd use a gage and check proper fuel pressure. Also, see if fuel pressure holds for a bit with everything off.
Could be other issues.

May 14, 2017 | Cars & Trucks

1 Answer

2001 leganza code P0401 replaced egr valve cleaned carbon in intake still get code p0401


Hello, Your best move now is to go to an autoparts store and get your computer cleared. This is done free at Autozone or Oreillys after they scan your car. Your old trouble code will show for quite a few Start-ups unless you have the computer cleared. You may have fixed your problem and don't know it yet.

Code 401 is an EGR flow problem. You have repaired several things which can cause it. The remaining possibilities would be a control solenoid for Vacuum to the EGR, and if equipped, a Backpressure pipe from an exhaust manifold or Catalytic converter. The trouble Codes for many Manufacturers are the same and they pinpoint the same bad parts.

I hope you just need to clear the computer and that my solution is very helpful to you.

Dec 24, 2010 | 2001 Daewoo Leganza

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check the Idle Stop Solenoid

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1992 4runner idels rough sometimes


Check the intake hose to make sure that it doesn't have a whole in it also check the air box that the filter goes in also. Mine was idling rough also and we found a whole in the filter box and the intake hose had a whole in it. Hope this helps.

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P0337 Code 2001 Deawoo Lanos


its a crank sensor no signal p0337.good luck,i hope this help pls dont forget to rate me thanks

Jun 05, 2009 | 2001 Daewoo Lanos

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Check enging light is on


Engine Light on Troubleshooting code from Auto Zone P0442, I replaced the gas cap and light still stay on?please advise

Jan 15, 2009 | 1999 Subaru Legacy

1 Answer

Help


theres a couple things for this
one the code is located in glove box
the code is listed on sterio
three you will have to go to dealer get it recoded back but there supposed to give you new code

Nov 27, 2008 | 2001 Daewoo Leganza

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