running lean

spikeboy
40

Asked by spikeboy Dec 17, 2009 at 07:34 PM about the 2001 Chevrolet Silverado 1500 LT Extended Cab SB 4WD

Question type: Maintenance & Repair

Lately my truck has been showing service engin soon light, I hokked up a code reader and it says it is running lean on bank 1, so, I did a real time data check while driving it and noticed the O2 sensor voltage on bank 1 is much lower and varies much more than #2, jumps anywhere from .10 to .74 and #2 is more rythmic variance.
Could this mean the sensor is bad? and making it run lean?

4 Answers

jml12345
1,405

it could be. id change them both.

Justin Ingram
35

what codes are u running p0160 p0157 p0158

1 out of 1 people think this is helpful.
spikeboy
40

I think it was p0171, just saying it's lean. injectors?

4 out of 4 people think this is helpful.
Justin Ingram
35

i have heard of intakes leaking and causing this

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Silverado 1500
Looking for a Used Silverado 1500 in your area?
CarGurus has 171,038 nationwide Silverado 1500 listings starting at $1,100.
ZIP:

Search Chevrolet Silverado 1500 Questions

Chevrolet Silverado 1500 Experts

#1 tenspeed
tenspeed
Reputation 460
#2 Andrew Olsen
Andrew Olsen
Reputation 440
#3 califcarson
califcarson
Reputation 420
View All

Related Models For Sale

Used GMC Sierra 1500"
885 Great Deals out of 60,770 listings starting at $1,995
Used Ford F-150"
2,497 Great Deals out of 177,299 listings starting at $1,495
Used Dodge Ram Pickup 1500"
809 Great Deals out of 15,799 listings starting at $1,222
Used Chevrolet Silverado 2500HD"
528 Great Deals out of 39,200 listings starting at $2,600
Used Toyota Tundra"
480 Great Deals out of 25,830 listings starting at $2,995
Used Chevrolet Tahoe"
1,054 Great Deals out of 33,590 listings starting at $2,800
Used Toyota Tacoma"
519 Great Deals out of 19,934 listings starting at $2,199
Used Chevrolet Silverado 1500HD"
18 Great Deals out of 311 listings starting at $5,995
Used Chevrolet Silverado 2500"
9 Great Deals out of 386 listings starting at $4,000
Used Jeep Wrangler"
921 Great Deals out of 42,896 listings starting at $1,800
Used Chevrolet Avalanche"
326 Great Deals out of 6,047 listings starting at $4,650
Used Ford F-250 Super Duty"
644 Great Deals out of 34,084 listings starting at $2,500
Used Chevrolet Camaro"
686 Great Deals out of 28,239 listings starting at $2,399

Used Cars For Sale

2014 Chevrolet Silverado 1500 For Sale
225 Great Deals out of 107,391 listings starting at $19,074
2013 Chevrolet Silverado 1500 For Sale
354 Great Deals out of 7,115 listings starting at $15,777
2012 Chevrolet Silverado 1500 For Sale
259 Great Deals out of 6,131 listings starting at $8,495
2011 Chevrolet Silverado 1500 For Sale
325 Great Deals out of 7,652 listings starting at $8,988