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Engine code P1138 - 2008 Chevrolet Silverado 1500 2WD

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Have a code P1138 on 2003 Toyota Tundra - how do I fix ?


Swirl Control Valve Control System Performance Repair Importance Level: 3/3 Repair Difficulty Level: 2/3 Possible causes - Faulty Swirl Control Valve Control Position Sensor - Swirl Control Valve Control Position Sensor harness is open or shorted - Swirl Control Valve Control Position Sensor circuit poor electrical connection - Faulty Swirl Control Valve What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P1138 Description While idling and during low engine coolant temperature, the swirl control valve closes, Thus the velocity of the air in the intake passage increases, promoting the vaporization of the fuel and producing a swirl in the combustion chamber. Because of this operation, this system tends to increase the burning speed of the gas mixture, improve fuel consumption, and increase the stability in running conditions. Also, except when idling and during low engine coolant temperature, this system opens the swirl control valve. In this condition, this system tends to increase power by improving intake efficiency via reduction of intake flow resistance, intake flow. The swirl control valve is operated by the Engine Control Module (ECM).

Read more: http://www.autocodes.com/p1138.html

Oct 02, 2016 | 2003 Toyota Tundra

1 Answer

Que significa el code P1138


Nissan OBD PO1138-Swirl Control Valve

Google your codes & read up on what it is
& where it is

Aug 12, 2014 | 2005 Nissan Sentra 1.8

1 Answer

P1138


P1138

HO2S-12 Sensor Code

That is an oxygen sensor code for the front
left side sensor not switching properly

I can assure you that is NOT the main problem
for lack of power

Owning a 2004 L/S & having 10 years diagnostic experience
with it, I would guess you need new spark plugs & most if not
all of the cop ignition coils replaced, as well as the front oxygen
sensors

I have seen a bad battery cause that as well, from low module voltage.

Five or six bad coils with or without a bad battery, I have seen the car only able to go 15 miles per hour,just short of etc failsafe

Mar 18, 2014 | Lincoln LS Cars & Trucks

1 Answer

P1132,P1137,P1138,B1049,B1065.


The three P codes lean towards a faulty swirl control valve or actuator. If you are interested in further diagnosing the issue, I would be happy to help you.... I would just need your engine size.

Mar 28, 2011 | 2004 Nissan Sentra

1 Answer

What exactly is P1138 because I haven't been able to locate it in any OBD2 code books and what is the cause


Of coarse you haven't
You only find the Generic OBD Codes, required by the Govt
The dealers took your tax dollars, and now want your vehicle back, so they can take more money
The P Codes and others, are Manufacturer Specific

P1138 --Lack of HO2S Switch,Indicates Lean

Without writing a book on that issue, You may have a bad Oxy Sensor
It is a rather unusual code,so I would have it checked out by a local repair shop.

Nov 06, 2010 | 2004 Nissan Sentra

1 Answer

Code P1138 in nissan


Code P1138 Swirl Control Valve

The Swirl Control Valve is part of the lower intake manifold... and, yes, this is something you can change out yourself depending upon your skill level.

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The part will cost around $270 bucks plus the 2 gaskets which is another 12 bucks. Then the labor to do this repair is around 3.0 to 4.0 hours labor, what ever your area's hourly rate is.

If you have an extended warranty, it is possible this may be covered. Just give me your vin number and I can check for you. If you do not have an extended warranty, then these are the around about costs on the repair for this code.

Hope this help (remember comment and rated this).

Apr 22, 2010 | 2004 Nissan Sentra

1 Answer

What is error code code p1138 for Nissan Sentra?


What exactly did they do to make the repair?I can not find that code at all in my code list.

Jan 26, 2010 | 2004 Nissan Sentra

1 Answer

Check engine lite came on i hooked up to the computer on the car and the code P1138 came up came up can you tell me what this means.


On the Nissan it indicates that the 'swirl control valve' is malfunctioning. The valve is located in the lower part of the intake manifold. Removing and cleaning the valve sometimes provides a solution to the problem.

Nov 03, 2009 | 2004 Nissan Sentra

1 Answer

MY CAR..


That is a swirl control valve code. The swirl control valve is on the intake manifold and unfortunately the only way to get the valve is to replace the entire intake assembly, it is not available seperately @ this time. You will have to purchase this and the gasket from you Nissan dealer. Hope this helps.

Aug 08, 2008 | 2004 Nissan Sentra

1 Answer

Code reader


The code P1408 is no egr flow sensed, It may be that this code is tied to the O2 code P1138, check the egr flow by manully pulling the vlave open with your fingers, the engine will run really bad or stall, if it does'nt the egr passages are plugged with carbon and will need to be cleared, locate the underhood emissions ticker, it will show the location of the EGR valve. Repair the EGR fault first, disconnect the battery for 5 minutes minumiun and then drive it for a few days to see if codes return.

Jul 24, 2008 | 1998 Ford Windstar

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