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2017 Lexus ES350 Engine Intake Manifold - Upper 6 Cyl 3.5L Dorman

P311-200E075    615-569  New

171900P031 , 171900P032

Dorman Engine Intake Manifold  Upper
  • Product Attributes:
    • Grade Type: Regular
    • Manifold Height (in): 6 In.
    • Package Contents: Intake Manifold And Gaskets
    • Port Outlet Dimensions: 25 X 81 Mm
    • Port Quantity: 6
Brand: Dorman
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2017 - Lexus ES350 Upper V 6 Cyl 3.5L - 3456
2011 Lexus HS250h Engine Intake Manifold - Upper Dorman

P311-255D585    615-565  New

1712028141 , 171010H010 , 1712028100 , 171200H010

Dorman Engine Intake Manifold  Upper
  • Product Attributes:
    • Grade Type: Regular
    • Manifold Height (in): 8.5 In.
    • Package Contents: Intake Manifold, Gaskets
    • Port Outlet Dimensions: 53x29 Mm
    • Port Quantity: 4
Brand: Dorman
Position: Upper
Additional Fitment Information:
Vehicle Position
2011 - Lexus HS250h Upper

Latest Lexus Repair and Intake Manifold Installation Advice

CarJunky AutoAdvice

knock Sensor location in a lexus 93 es300

Showing 2 out of 2 Posts
Question From carminejg3 on knock Sensor location in a lexus 93 es300

Does anyone know where i could find the knock sensor in thie lexus 93, es300 model?

Response From Indytech Top Rated Answer

Knock sensor location
On top front of engine under intake manifold .
Manifold needs to be removed to change sensor.
Indy .

fuel injectors

Showing 5 out of 5 Posts
Question From Guest on fuel injectors

I am removeing my intake manifold for other reasons. 98 Lexus with 35,000 mi. Can the fuel injectors be serviced or inspected?

Response From Tom Greenleaf Top Rated Answer

Yes - but it begs the question as to why. Do you suspect there's trouble with them?


Response From Guest

I was even considering replacing them untill I found they were $180. each.

Response From Tom Greenleaf

Here's a plug for the injector care product I use preventatively with 100% success so far in several family vehicles now as I'm retired from this crazy biz but family persists

There's several older cars in my stable along with a zillion yard machines which all demonstrate fuel problems with any age on the fuel and this stuff clearly has helped. It's been mentioned here that high doses (not recommended by me for any routine) of this can solve an issue. It clearly has made a difference in a couple "poke around town" low mile older vehicles and that style all the time can be a problem.

Once or twice with just a flickering Check Engine Light for an O2 sensor found on code reader as weak it corrected for years! Now I'm a believer in this by brand.

Also know that with price of fuel (the real stuff) there's a lot of incentive to max out on non fossile fuel mixes and I swear those cause problems for vehicles really meant for ordinary gasoline.

Perhaps just luck (knock on wood) but almost all injectors have held out for the life of the cars - - - - some with well over 200k!

I think the last injector (single) I bought cost about $100 bucks (wholesale) so it's worth a little prevention in my book! Good luck with yours,


Ps: If one goes bad and engine isn't running properly they can be cleaned but do this quick as allowing an engine to run poorly realy strains and can kill O2 sensors and cat converters!

Response From Guest

No but after such exasperating labor getting the manifold off (which still hasent been accomplished) I just thought there might be some restoritive alixer that I could do to them now that they are in my hand. Soak in a fluid? Blow air through? Check continuity of the two electrical tabs?
Thanks James

2004 Lexus RX 330 Spark Plug Replacement

Showing 3 out of 3 Posts
Question From Guest on 2004 Lexus RX 330 Spark Plug Replacement

I need to replace my spark plugs - How do I reach the rear bank of plus??
Do I need to remove the upper intake manifold(intake air surge tank)? It looks very difficult to get off!!

Thanks - any help will be appreciated


Response From Loren Champlain Sr

Yes, the surge tank must be removed. Be sure to replace the gasket. (2.6hrs. labor)

Response From Guest Top Rated Answer

Thanks for the reply! Can I leave the throttle body in place? I don't want to mess with the gas line if I don't have to.

1999 lexus rx300 2,4,6, cylinders cut out at highway speed.

Showing 4 out of 4 Posts
Question From ernest419 on 1999 lexus rx300 2,4,6, cylinders cut out at highway speed.

1999 Lexus rx300 has cylinders 2,4,6, cut out at highway speeds. Works fine under 40mph. Replaced both VVT valves, spark coils, intake manifold gasket. Could the computer cause this. Car has over 300,000 miles on it.

Response From Discretesignals

Any trouble codes stored in the engine computer? If so, what are the numbers? How did you figure out a whole bank cuts off?

Response From ernest419

Don't know the codes, I will find out . My mechanic drove it with his device hooked up and it told him what was missing.

Response From Discretesignals Top Rated Answer

Would interesting to see what kinds of fuel trims he/she is getting on his/her scan tool for both banks. Also looking at VVT data pids would be important to see how the ECU's VVT command compared to actual. Could have some sort of exhaust restriction on that bank, such as a clogged cat. Could run a back pressure test. If the computer is killing injector pulse or spark on that whole bank, which would be extremely unusual, she/he would see that with a lab scope.

Was any work performed prior to this occurring?