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1999 Chevy Silverado Check Engine Soon Light

Tiny
DSHAULER
  • MEMBER
  • 1999 CHEVROLET SILVERADO
Engine problem
1999 Chevy Silverado V8 Two Wheel Drive Automatic 138K miles

Just went on again after being replaced about 18 month ago.
Note: My gas tank gauge has been out of whack for a couple of years also.

The Stealer raped me big time on the repair last time.

How can I diagnose the cause of the CES light?

How can I inexpensively replace sensors if needed?

Thx, Bob
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Friday, January 11th, 2008 AT 3:18 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Mr. Bob take it to the nearest autozone and have them hook up their receiving computer called scantool to extract the OBD2 code/s and comeback with it so we can follow thru.

Thanks for donating we sure appreciate your kindness.
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Friday, January 11th, 2008 AT 6:04 PM
Tiny
DSHAULER
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Okay. I went to Autozone and rented (bought & returned) their code reader (ACTRON CP9135). By the way thanks for the advice whoever, on how to rent/borrow a tester.

Code Reader gave back 2 Error codes which were "exactly" the same. 1 of 2 and 2 of 2 both reported:
P0332 Knock Sensor 2 Circuit Low Input (Bank 2).

And yes, I triple checked to make sure that both error codes said Sensor 2 and Bank 2 (not 1 in either case).

The Autozone computer said it could be the following: defective Knock sensor, loose connector, knock or rattle, or low fuel pressure.

I went ahead and erased both codes.

Can someone tell me where and how difficult the knock sensor is to get to and replace (cost is about $42)? Also is there only 1, or 2 on this model truck?
Other ideas?

Thanks, Bob
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Monday, January 14th, 2008 AT 10:23 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Mr. Bob

What's your engine liter? am coming up with 2 KS for a 5.3 and 6.0 located in the valley under the intake manifold-see below

KS's


http://www.2carpros.com/forum/automotive_pictures/12900_ks_1.jpg



Intake Manifold Removal


http://www.2carpros.com/forum/automotive_pictures/12900_intake_manifold_1.jpg

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Monday, January 14th, 2008 AT 2:11 PM

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