As you can see, my intake tube tore away at the throttle body connection.
I was checking my K&N to see if it was clogged up with bugs and debris from all the summer driving. As I lifted the filter cover it felt really loose on the other end like the band was loose or something. I looked and saw it was almost completely torn at the throttle body. Yikes! I was lucky there was just enough left on the tube to barely connect with a large hose clamp I had. An Isuzu parts dealer had a new one for me in four days. I figured I might as well get a new air temp sensor also.
I believe this was caused by age, heat, cold, and whatnot. Also I see that the flex section of the tube, the old one and the new one, doesn't flex at all. So every time I raise the air filter lid the tube wants to rotate at the other end held tight by the band at the throttle body. I'm sure that helps it to stress and shred over time. I'm now gonna loosen the band every time I lift the air filter cover so that all parts of the hose rotate as a solid piece.
Take a look at yours to see if it still looks good at that spot. If you have an unmetered air intake leak causing problems, check that spot for a possible leak.
Mark Griffin
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Bart
Originally Posted by Triathlete
