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Replaced both knock sensors and wiring harness, AC Delco,
replaced both knock sensors and wiring harness, AC Delco, completed the service bulletin creating a silicone damn....still getting Bank 1 Low Circuit and Bank 2 low circuit codes after about 20 miles.… read more
Kurt Mulling
Kurt Mulling
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2002 Chevy avalanche 1500 2WD 5.3 V8 - I bought a used
2002 Chevy avalanche 1500 2WD 5.3 V8 - I bought a used avalanche that was missing the radio and the factory radio wiring harness. I am trying to install an aftermarket stereo, but am having trouble id… read more
GM Tech (Cam)
GM Tech (Cam)
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I have a 2006 Silverado 1500 with a 5.3 liter V8. I recently
I have a 2006 Silverado 1500 with a 5.3 liter V8. I recently replaced the knock sensors because they had corroded and were throwing an engine code. While replacing those, I also replaced the intake ma… read more
Tony McCarthy
Tony McCarthy
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My "check engine" light continues to come on and indicate
My "check engine" light continues to come on and indicate that I have a knock sensor problem on the L/H side of my 2003 Chevrolet Silverado engine. I have had both knock sensors replaced. After drivin… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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2005 avalanche 5.3 144000 miles. Shows a code po332.
2005 avalanche 5.3 144000 miles. Shows a code po332. Previous owner Sayed evap related. … read more
Eric
Eric
Retired
N/A
38,393 satisfied customers
I have had my 2005 Chevy Avalanche 1500 5.3L for many
I have had my 2005 Chevy Avalanche 1500 5.3L for many years.Several years ago error codes for knock sensor came on. Had both sensors replaced. about 150 miles later the codes came back, Had them repla… read more
Tim's Auto Repair
Tim's Auto Repair
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I have a 2000 silverado 5.3 that showed knock sensor bank 2
I have a 2000 silverado 5.3 that showed knock sensor bank 2 code,so I replaced both with new harness and RTV the plugs back in.after 100 km of driving the service engine light came back on this time s… read more
Dave Nova
Dave Nova
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Chevy silverado: I have an 06 chevy Silverado 5.3 Z71. I just
I have an 06 chevy Silverado 5.3 Z71. I just recently got two codes, 332 and 327 which is low voltage to the knock sensors. I replaced both sensors and the harness with no change and still towing thos… read more
Jerry Newton
Jerry Newton
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Vocational, Technical or Trade Scho
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Cheverlet silverotado: I have a 2001 chevy silverodo V-8 5.3
I have a 2001 chevy silverodo V-8 5.3 , I keep getting a P0327 code ( knock sensor1 circuit low bank 1 or single sensor code. I have had a mecanice replace both sensors , but he dose not know why it k… read more
Gary
Gary
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Chevy Silverado Z71 EXT. Cab.: I have a 2004 Chevy Silverado
I have a 2004 Chevy Silverado 5.3 L V8. about a month ago the engine service light came on while I was driving . Called my mechanic he said bring it right in and I'll plug in the computer and see what… read more
JOHN aka Eauto
JOHN aka Eauto
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2006 chevy: 4 oxygen sensor..map sensor, maf sensor..runs fine
2006 chevy 1500 5.3 non ethanol. po172 po175 and intermediate (knock sensor low input bank 2) have replaced all 4 oxygen sensor, both knock sensor, map sensor, maf sensor, sparkplugs sparkplug wires, … read more
jonb9173
jonb9173
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2005 chevy avalanche 1500: knock sensor..power washed my engine.
I have a 2005 chevy avalanche 1500 5.3L. received a code for knock sensor. I had just power washed my engine. 1. Did I mess up in doing the cleaning; 2. average cost of this repair; 3. it's running fi… read more
Tim's Auto Repair
Tim's Auto Repair
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2004 chevy: p0171..GASKETS..FUEL INJECTION..FUEL PRESSURE IS GOOD
hello i got a 2004 chevy avalanche 5.3 i keep getting a p0171 and p0174 code set quick i have replaced MAF O2 BANK 1 SENSOR 1 AIR FILTER FUEL PUMP INTAKE GASKETS GM FUEL INJECTION/ TOP ENGINE CLEAN NO… read more
JOHN aka Eauto
JOHN aka Eauto
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chevy suburban: my 2003..wireing harness replaced..check engine light
I have a code indicating a #2 bad knock sensor on my 2003 5.3 chevy surburban engine (138,600 miles). Had both 1 and 2 senors along with the wireing harness replaced. I am still getting a code for #2 … read more
Mazda Ed
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Sensors, brand new pcm, new spark plugs and wires..heads..serviced
i have a 2002 silverado with a 4.8 and i keep getting a knock sensor code. I have replaced the knock sensors 3 times, replaced the short pigtail to sensors, brand new pcm, new spark plugs and wires, n… read more
Dan
Dan
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2002Chevy: literengine..000 miles..The service engine soon light came
I own a 2002 Chevy HD 2500 with the 6 liter engine. The truck has 51,000 miles on it. The service engine soon light came on when I started it 4 days ago. I read the code and it was P330, Knock sensor … read more
goodwrench9124
goodwrench9124
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2000 Chevy Tahoe: 5.3 V8, I have a check engine code..intake..harness
I have a 2000 Chevy Tahoe with a 5.3 V8, I have a check engine code that says that Knock Sensor 1 has low input. I pulled the intake and found that the knock sensor to the rear of the engine had been … read more
Eric
Eric
Retired
N/A
38,393 satisfied customers
2002 Avalanche Check enginelight on. running very rough. No power.
2002 Avalanche Check enginelight on. running very rough. No power. MAF/O2 Sensors??? OBD code 171,172, 174 i think. left bank lean. Problem is worse in cold weather.… read more
Dan
Dan
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Associate Degree
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

16,004 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

9,659 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,977 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

3,023 satisfied customers

Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Jerry Newton

Jerry Newton

Chevy Technician

2,804 satisfied customers

ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

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