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03/16/2006 07:16:21 AM · #26 |
Originally posted by BradP:
Nope - the IAC won't cause an engine to die out and not start.
1) The IAC (Idle Air Control - key word idle) won't cause an engine to miss or have a driveability problem. It is not even in used when driving.
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Brad,
You may have alot of credentials and experience fixing cars, however your commentary on auto forums is off base, and your position regarding the IAC not interfering with starting/running is simply wrong. The link I provided, accesses not only a thread regarding my personal experience and engine fix via the IAC cleaning, it also allows one to view BUICK forums for a number of other vehicles by heading to the home page. There are some very knowledgeable mechanics on that forum with decades of knowhow along with a passion for specific brands.
Flash
AACA main page
Message edited by author 2006-03-16 09:10:44.
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03/17/2006 12:07:49 AM · #27 |
Point taken - perhaps one of the few forums that might actually have some knowledgeable people around, and be grateful for the large numbers that don't - job security kinda' thing.
And Art(Ken) - it's a BMW - what do you expect? There are jumper connections under the hood if I remember right. In all actuality, BMW does NOT recommend jump-starting their late-model vehicles, and around here, tow trucks flat out won't do it due to liability issues with fried computers.
You should have bought a Chrysler Sebring convertible - you would have never found or got to the battery - it's in a cubby hole ahead of the left front wheel!
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03/17/2006 12:21:06 AM · #28 |
Failed catalytic converters don't usually cause the symptoms you have described. I have experienced this problem and the symptoms of a bad converter are simply a loss of power at higher RPMs. The core of the converter will often break up and clog your exhaust when it has reached the end of its useful life. Lower RPM driving will not create problems but as your engine speed increases, you will notice a specific drop off in power (usually at a specific rmp range, depending on the nature of your clog). The car will seem to 'choke' as the engine speed increases. Racing the engine in neutral or with the clutch in will not always recreate the problem, but driving it will....
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03/17/2006 12:36:12 AM · #29 |
A failed converter is a cause of another problem though. Converters can last over 200K miles if engine is running at or very near stoichiometric values of 14.7:1 air/fuel ratios. Failed converters are almost always caused by ignition system misfires dumping unburnt fuel down into the exhaust system, and did actually kill one, intentionally as a test, by pulling 2 plug wires on a port-injected V-8, and driving it hard - converter melted down in under 100 miles.
A failed converter CAN be bad enough to not even allow the engine to start too (plugged bad enough to act like a potato in the tailpipe) as the engine canot breath.
Quick down & dirty test to see if low power is the cause of fuel or exhaust is to put the vehicle under extreme load, like going up hill and duplicating the bogging. When the gas pedal is floored, and the engine is losing power, push in the clutch (or shift into neutral carefully). If it is plugged exhaust, the engine will not increase in speed. If it is fuel-related, the engine will rev up fast, as all the load has been taken off. |
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03/17/2006 01:53:04 AM · #30 |
Originally posted by BradP:
In all actuality, BMW does NOT recommend jump-starting their late-model vehicles, and around here, tow trucks flat out won't do it due to liability issues with fried computers. |
The computer is already fried. At least many functions of it. P.o.S. I'm tellin ya!
Originally posted by BradP:
You should have bought a Chrysler Sebring convertible - you would have never found or got to the battery - it's in a cubby hole ahead of the left front wheel! |
But it probably has some decent friggin cupholders!
Originally posted by BradP:
...if engine is running at or very near stoichiometric values of 14.7:1 air/fuel ratios. |
Ok- admit it - you made that up! ;-)
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03/17/2006 02:07:24 AM · #31 |
Originally posted by Art Roflmao:
Originally posted by BradP:
...if engine is running at or very near stoichiometric values of 14.7:1 air/fuel ratios. |
Ok- admit it - you made that up! ;-) |
He did NOT. Read all about it here. Stoichiometric values are mentioned int he last sentence of the abstract, and elsewhere. VERY interesting paper. Trust me :-)
Robt.
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03/17/2006 02:11:54 AM · #32 |
I couldn't get past " "three-way" emission control systems".
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03/17/2006 02:17:18 AM · #33 |
Originally posted by Bear_Music:
Read all about it here. Stoichiometric values are mentioned int he last sentence of the abstract, and elsewhere. VERY interesting paper. Trust me :-)
Robt. |
Um... I would love to go read that, but I have to... uh... clean out the diaper pale. ;-) |
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03/17/2006 02:21:16 AM · #34 |
Originally posted by Art Roflmao:
Um... I would love to go read that, but I have to... uh... clean out the diaper pale. ;-) |
If you're cleaning out "pale" diapers, count yourself lucky, man. I'ts the brown ones that get to ya, right?
R.
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03/17/2006 02:22:26 AM · #35 |
Originally posted by Bear_Music:
Originally posted by Art Roflmao:
Um... I would love to go read that, but I have to... uh... clean out the diaper pale. ;-) |
If you're cleaning out "pale" diapers, count yourself lucky, man. I'ts the brown ones that get to ya, right?
R. |
Ok, you twisted my arm, I'll post some pics....... |
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03/17/2006 02:27:35 AM · #36 |
Originally posted by Bear_Music:
Originally posted by Art Roflmao:
Um... I would love to go read that, but I have to... uh... clean out the diaper pale. ;-) |
If you're cleaning out "pale" diapers, count yourself lucky, man. I'ts the brown ones that get to ya, right?
R. |
It depends on what's pale -- if it's solids and pale there's a good chance it's hepatitis or other liver/gall bladder disorder ... |
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03/17/2006 02:29:42 AM · #37 |
Originally posted by GeneralE:
Originally posted by Bear_Music:
Originally posted by Art Roflmao:
Um... I would love to go read that, but I have to... uh... clean out the diaper pale. ;-) |
If you're cleaning out "pale" diapers, count yourself lucky, man. I'ts the brown ones that get to ya, right?
R. |
It depends on what's pale -- if it's solids and pale there's a good chance it's hepatitis or other liver/gall bladder disorder ... |
This is becoming one of the most versatile and informative threads yet. Adding to my favorites... |
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03/17/2006 02:50:20 AM · #38 |
Originally posted by Art Roflmao:
This is becoming one of the most versatile and informative threads yet. Adding to my favorites... |
LOL... How to go from diagnosing engine problems to diagnosing infant poo in "X" easy steps...
R.
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03/17/2006 03:01:49 AM · #39 |
Scott (the OP) PM'd me and said they did find out that the catalytic converter did, in fact, have a gall bladder disorder. Thanks to Scott's stoichiometric values and air/fuel ratios, they were able to dignose it early. He is cleaning out the diaper bucket in his dad's car as we speak.
Now I am off to do some late night neurosurgery. Good night y'all. |
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03/17/2006 03:04:22 AM · #40 |
Originally posted by Art Roflmao:
Scott (the OP) PM'd me and said they did find out that the catalytic converter did, in fact, have a gall bladder disorder. Thanks to Scott's stoichiometric values and air/fuel ratios, they were able to dignose it early. He is cleaning out the diaper bucket in his dad's car as we speak.
Now I am off to do some late night neurosurgery. Good night y'all. |
LOL
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