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Removing Fuel Injector 2009 Corolla 1.8
Posted by: Microman
Date: February 25, 2021 09:40AM
I have had a recurring problem with a P0301 Misfire code on my 1.8 4 Cyl 2009 Toyota Corolla. Toyota nation discussion suggests that it could be a head gasket leak between the 1 and 2 cylinder, or head gasket in general.

One suggests that before I do anything I should do a compression check, and a leak down test. I will go to harbor freight and buy their two testers for that. I do have a compressor which is needed for the leak down test.

I have replace the spark plugs with NGK, and replaced all 4 coils during last 6 -12 months.

So, clean fuel injector in position #1, and or replace.

or

Leak Down Test, and Compression Test
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: mrbigstuff
Date: February 25, 2021 10:17AM
Did you swap the coils to see if it repeats?

But does sound like a leak of some sort if it's been going on after replacement of coils.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: mrlynn
Date: February 25, 2021 11:14AM
As I recall from years back, head-gasket leaks can be diagnosed by white smoke from tailpipe, and oil in the coolant.

/Mr Lynn



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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: modelamac
Date: February 25, 2021 11:39AM
You are on the right track with the leak tests. Even if you see white smoke or oil in the coolant, you need to find the source, and the leak tests will do that.

There should be Youtube videos to help with the tear-down and replacement, if you need them. Modern engines have a lot of sensors and vacuum lines, and getting them back in the right place can be a real headache. Take lots of photos and colored tape for labels, if necessary. Torque the head bolts per instructions or you will ruin the new gasket you just installed.



Ed (modelamac)

I think I will just put an OUT OF ORDER
sticker on my head and call it a day.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: Thrift Store Scott
Date: February 25, 2021 11:50AM
Quote
mrlynn
As I recall from years back, head-gasket leaks can be diagnosed by white smoke from tailpipe, and oil in the coolant.

/Mr Lynn

They can, but it depends on where the leak is. If the leak is only between two cylinders, no coolant will be lost.

Toyota 2ZR-FAE engine block as found in Microman's car-



Microman, removing the coils and plugs will be worlds easier, not to mention less messy and potentially dangerous, than removing the fuel injectors.

Who knows, you may get lucky, remove all the coils and plugs, find no leak, put it back together and then the car will run fine as if nothing was ever wrong. It sounds crazy, I know, but that is the sort of thing that happens to mechanics all the time and it drives them nuts, but it does happen.



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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: wurm
Date: February 25, 2021 01:44PM
Quote
Microman
...I will go to harbor freight and buy their two testers for that. I do have a compressor which is needed for the leak down test.

You might also want to check out AutoZone's tool loan option if there's one near you. I think Advance Auto has a similar thing.

[www.autozone.com]
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: Microman
Date: February 25, 2021 03:21PM
I tried Autozone, and walked up to the counter, with my spark plug in hand. There were only TWO thread sizes in their loaner tool, and it did not fit my plug.

Just back from Harbor Freight, where I bought a compression tester, as well, as leak down tester. Had to join their club to get the $79 item for $59, but then seems like a no brainer.

Now to find and follow directions on how to do these tests. Look up Scotty Kilmer videos, possibly, that guy is a kick.

Maybe use the cheapest tool, first and open, and if that tells me anything, I can return the unopened one, although I see there is a restocking fee, to prevent people from using and returning at HF
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: btfc
Date: February 25, 2021 03:24PM
You also might be able to spot head gasket issues from the condition of the spark plugs or coolant in the oil.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: C(-)ris
Date: February 25, 2021 06:28PM
I would do the compression test first. Easier than dealing with fuel. Obviously if you are pulling plugs put new ones in, they are cheap. Get whatever the OEM is, don't bother with fancy Iridium or others if your car didn't come with it. The stock plugs are always the best unless you have modified your engine in other ways.

This was a Ford Escort I worked on. Did not smoke, just ran horrible. Compression test showed bad on Cyl 1 and 2.




C(-)ris
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Throwback Thursday Signature:




Edited 2 time(s). Last edit at 02/25/2021 06:31PM by C(-)ris.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: space-time
Date: February 26, 2021 07:29AM
This was a Ford Escort I worked on. Did not smoke, just ran horrible. Compression test showed bad on Cyl 1 and 2.

I guess I am looking at Cyl 1 and 2, but what is inside Cal 1? is there a liquid? or am I losing at the top of the piston and Piston 1 is up and Piston 2 is down? because Cyl 2 seems deeper than 1.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: JoeH
Date: February 26, 2021 11:44AM
If the piston in the first cylinder of an inline 4 is up, the next will be down. But it does look like there is some oil on the piston, could have come from the oil passage to the cylinder head when it was removed.

The break in the seal between the two cylinders is quite visible. So part of the compression cycle for each piston would have been leaking to the adjacent cylinder. In that location for that engine, no leakage of coolant or oil was likely to have been taking place.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: Microman
Date: February 26, 2021 12:18PM
OK, so my P0301 in my 2009 Toyota Corolla. Bought Compression Tester Harbor Freight.

Cylinder #1 75, 80
Cylinder #2 78, 85
Cylinder #3 130, 128
Cylinder #4 130, 130

Ran test twice.

Guess I can return the Leak Down Tester.... Probably a leak between 1 and 2 cylinder.

OH well, I looked at a video to replace, and its a ton of work. More than I would tackle.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: JoeH
Date: February 26, 2021 01:24PM
Those compression figures do make it look like you have a head gasket leak similar to the one C(-)ris posted for a Ford Escort.

When I was younger, this type of repair I might take on. But these days I would just take it to my mechanic. It is a fairly straight forward repair as long as coolant or oil did not leak past the head gasket into the wrong places and the head is not warped.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: btfc
Date: February 26, 2021 05:07PM
Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: C(-)ris
Date: February 26, 2021 09:22PM
Quote
space-time
This was a Ford Escort I worked on. Did not smoke, just ran horrible. Compression test showed bad on Cyl 1 and 2.

I guess I am looking at Cyl 1 and 2, but what is inside Cal 1? is there a liquid? or am I losing at the top of the piston and Piston 1 is up and Piston 2 is down? because Cyl 2 seems deeper than 1.

Just oil that leaked all over it when the head was pulled off. Once I pulled the head off it was pretty obvious it was bad. Slapped a new head gasket in and off she went.



C(-)ris
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: Microman
Date: February 27, 2021 08:23AM
C(-)ris I wish I had the "back" and "tools" a more knowledge to do the head gasket myself. I saw a video, where it went on and on and on, taking things off, and doing things from underneath, and taking off pulleys, etc. Way beyond my troubleshooting technique.

IF this is not the "rings" causing this low compression, I have half a bottle of the "Blue Seal" head gasket sealer I used on a 2002 Toyota Camry, that stopped the white smoke out the tailpipe and changing the coffee looking oil ran fie all the way to Arizona, where it finally needed a head gasket replaced. I hear.

Car runs fine, for a week, on short trips, (1-3 miles), but till eventually start to idle badly, and throw a code. I think I am due for a California Smog Check in about June, so I would like to get a Drive Cycle done, where it would pass, and since they don't do the Dynometer test (I Think) , as long as the drive cycle is good, and its in a "Ready" state for smog check. Thats all I will care about. I will consider the car on its last leg. Especially since the clear coat is coming off, and it needs a paint job. That cold chain rattle at startup, etc... and now this.

May throw the rest of that Blue Seal in there after removing the thermostat, and doing a flush as per instructions. I don't think I have anything to lose. I don't think this stuff clogs the heater core, etc. And if I could get months of short drives out of the car that would be great. And I can use the 98 Sienna I bought from neighbor for my main drives.

Got my second Covid 19 vaccine shot yesterday.... Hope all stay safe
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: btfc
Date: February 27, 2021 03:49PM
‘ IF this is not the "rings" causing this low compression ‘

Rings or possibly valves! The oil test likely would temporarily increase compression as well for a bad head gasket, so worth doing.
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Re: Removing Fuel Injector 2009 Corolla 1.8
Posted by: btfc
Date: February 27, 2021 03:52PM
Check out symptoms of bad valves on your engine.



Edited 1 time(s). Last edit at 02/27/2021 03:53PM by btfc.
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