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Discussion in 'Terminator Talk' started by Banshee06, Jul 19, 2019.
Well I am not so smart and I am 65 and dont know how to do these test and have to rely on these mechanics
.wish I had someone with your knowledge.
You're at the best place possible for knowledge.
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If you had an intake gasket leak, you should've seen lean conditions under boost, unless the car was tuned with this issue. The O2 sensors on these cars cannot compensate for vacuum/intake leaks. It's good to hear you found something though!
But like others have mentioned, pulley down and run a safer pump gas tune or things will become worse.
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Maybe you can find a member close by.
I had went and looked a a cobra here in San Antonio. Guy having issues running. I only scanned it. But listening to it running I think he was down a cylinder.
These to me are common for head issues
I had valve issue at 60k/120k/200k
At 420k now.
A basic compression test you should be able to do. Or get done.
I do this every time I have a problem 1st
There have been some recent threads on engine miss that ended up valve issue after they threw parts at it.
We all read the same shop manual but forget
Always check all the basics first
Was told you need fast. To run
Base engine is always skipped. Compression test
Did your mobile mechanic check fuel flow?
So when I goggled intake leak testing and symptoms and the mechanic did spray starting fluid and it did react the way it says when you have an intake leak. Am I missing something?
I dont know what caused the intake gasket to start leaking but I think it has for a long time and it has gotten so bad that now the car will hardly run.
I just wish I had the knowledge to take it apart but I dont.
I’m pretty sure pcm would pick up leak as po171/174
Just the slightest leak on pcv line
The intake gasket is a re use gasket but age may play factor
No sealants are used and it’s not cranked down like old engines
Many threads on snapped bolts. These are just past hand tight with 1/4 in tools Bolts are tiny.
Did he check them?
Also if you don’t do your own work
I suggest you ask for old parts after jobs.
To many crooks out there.
The fuel filter if you haven’t replaced again do have done.
They put this thing in the hardest spot to change. I can see a shop saying they did and not really did
No I haven't checked the bolts and neither did the mechanic.
And used to get those codes alot and I would just change the O2 sensors.
I will check the bolts for tightness.
Those codes weren’t for bad o2.
It was o2 telling you that you have air coming in engine that’s unmetered
The pvc line. On stock intake goes under the intake.
Intake must be pulled to fix this hose
It’s a common problem from oil.
The hose will harden.
It is just pushed on a barbed fitting without a clamp
This hose will not pull off but it will spin which is a vacuum leak.
This nipple is also just below where the mechanic sprayed
And with type of intake gasket it will pass under and around ports to under intake.
There is a link with pic.
03 cobra vacuum hoses documented
Will be a pdf link
Some do plug this line
Can’t say for you.
Did he do a vacuum test?
Pcv line elbows are so common to bust a hole
They also crumble and soften from oil
If you haven’t read thru these. It has everything.
Once these get modded. Almost anything can be causing your issues
Knowing more about what your car has may help guide toward trouble areas with mods
Drive ability is why I stayed as close to stock as I can.
I am in Oregon .
Look me up .
Just because you are 65 has no bearing on ability.
Should only mean you are tired of being bent over, and took the rains yourself .
Shit , i am old as dirt also ....
where in Oregon?
I-5 corridor , outside of Roseburg . And you ?
I dont think he did a vacuum test.
How is that done?
Woodburn 15 miles north of Salem
Fuel Pump and Vacuum Tester
With one of these. Simply connect to vacuum line.
It’s more old school tool. But very valuable if used right.
Fuel testing is old school carburetor days