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Old 01-29-2012, 03:06 PM   #1
jedge
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2002 Suburban stalls and sputters after driving thru water.

After driving through high water (only 12"-18" deep), my 2002 Suburban stalled. It restarted but runs rough, doesn't idle well, and still stalls and sputters under acceleration. A week later (it's been dry and I've driven it 70 or so miles since the water), it's still stalling and sputtering. Under braking, I must keep the accelerator down enough to keep the RPMs slightly above 1000 or it will stall. Obviously something got wet that shouldn't have gotten wet.
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Old 02-07-2012, 07:43 AM   #2
j cAT
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Re: 2002 Suburban stalls and sputters after driving thru water.

Quote:
Originally Posted by jedge View Post
After driving through high water (only 12"-18" deep), my 2002 Suburban stalled. It restarted but runs rough, doesn't idle well, and still stalls and sputters under acceleration. A week later (it's been dry and I've driven it 70 or so miles since the water), it's still stalling and sputtering. Under braking, I must keep the accelerator down enough to keep the RPMs slightly above 1000 or it will stall. Obviously something got wet that shouldn't have gotten wet.

the computer/pcm is in a bad spot. remove the cover and inspect the connectors/pins for corrosion.

also the air box can trap water. I have put 1/8 in drain holes in it so water can drain out. check that air filter is dry/must be dry.
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