won't hold and idle..
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Joined: Feb 2004
Posts: 277
From: A half-fender ahead, & pulling...
Re: won't hold and idle..
Hmmm. I've seen code 34 referenced here, here, and here (of course you might prefer the PDF version...).
I also found this:
So you might look for any air leaks after the MAF, aka "false air".
HTH!
V8Rumble
I also found this:
CODE 34 (MAF SENSOR VOLTAGE LOW)
Thoroughly inspect the vehicle for sources of air entering the engine without passing through the MAF sensor. Specifically, look for a cracked, cut or loose duct between the air meter and the throttle body, poor inlet runner to plenum or manifold sealing, a split PCV hose or any type of vacuum leak. A large quantity of air does not necessarily have to be involved. If any leaks are found, repair the condition, clear the codes and check if the code resets.
Thoroughly inspect the vehicle for sources of air entering the engine without passing through the MAF sensor. Specifically, look for a cracked, cut or loose duct between the air meter and the throttle body, poor inlet runner to plenum or manifold sealing, a split PCV hose or any type of vacuum leak. A large quantity of air does not necessarily have to be involved. If any leaks are found, repair the condition, clear the codes and check if the code resets.
HTH!
V8Rumble
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Joined: Mar 2001
Posts: 3,249
Re: won't hold and idle..
Spray brake cleaner on the hose a little before the MAF and even on the MAF all the way to the TB. Make sure your hoses are also good. As a last resort, try a gentle spray of electronic cleaner on the MAF filaments.
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