I have a 2004 Chevy Silverado 1500 with a 4.3. Lack of power?

10

Asked by Jun 23, 2015 at 02:06 PM about the 2004 Chevrolet Silverado 1500 Ext Cab Long Bed 2WD

Question type: Maintenance & Repair

I just changed the intake manifold gasket because i had a vacuum leak. I checked for
other leaks and couldnt find any. What else could cause this? I have changed every
sensor on my engine and cleaned at of my plugs.

4 Answers

105

Maybe a catalytic converter problem. When they get plugged up they will cause loss of power.

10

There are no catalytic converters on the truck. I took them off before because they were clogged. I have a temp exhaust installed. Would my O2 sensors have anything to do with it? Plugged in or unplugged?

1 out of 1 people think this is helpful.
105

it could. they could be making your truck run to rich or to lean since there are no catalytic converters.

1 out of 1 people think this is helpful.
10

Okay thank you. I will get new catalytic converters installed and go from there.

Your Answer

Add photo

Related Questions

  • Engine Shutting off after about 10-20 seconds on 2004 Silverado 1500 60 answers

    Can anyone shed some light on this problem. After driving my 04' Silverado 1500 all day without any problems, after the truck sat in the driveway for a couple of hours, the truck started right up, but...

    2004 Chevrolet Silverado 1500

    -

    Maintenance & Repair

  • Chevy Silverado 2004 2 answers

    2004 Chevrolet Silverado 1500 Ext Cab Short Bed 4WD

    -

    Maintenance & Repair

  • Tranny slip in my 5.3 chevy Silverado 2004 4 answers

    My 5.3 chevy Silverado tranny is slipping. I have a few engine mods. What could be the cause? I don't think I'm putting down that much power that the stock tranny can't handle

    2004 Chevrolet Silverado 1500 LS Ext Cab Short Bed 4WD

    -

    Maintenance & Repair

  • 03 4.3 silverado runs weak 25 answers

    ChrisCharles65 ChrisCharles657 hours ago i have an 03 silverado 4x4 4.3 and my truck just runs weak. like i cannot gain speed going up a hill. the only was to keep a contant speed is to the floor. ...

    2003 Chevrolet Silverado 1500 Short Bed 4WD

    -

    Maintenance & Repair

  • can a silverado 4.3 engine pull a 18" fifth wheel trailer 3 answers

    I have a 04 silverado with a 4.3 engine and I would like to purchase a fifthwheel trailer. Can this truck pull a trailer that is 18 to 20 " long?

    2004 Chevrolet Silverado 1500 Long Bed 2WD

    -

    General

Silverado 1500

Looking for a Used Silverado 1500 in your area?

CarGurus has 169,934 nationwide Silverado 1500 listings starting at $1,800.

ZIP:

Search Chevrolet Silverado 1500 Questions

Chevrolet Silverado 1500 Experts

#1 John Carson
John Carson
Reputation 2,140
#2 Rowefast
Rowefast
Reputation 1,800
#3 Silverado_owner_2006
Silverado_owner_2006
Reputation 1,610
View All

Related Models For Sale

Used GMC Sierra 1500
801 Great Deals out of 67,044 listings starting at $1,499
Used Ford F-150
2,258 Great Deals out of 209,448 listings starting at $1,499
Used Dodge Ram 1500
453 Great Deals out of 11,387 listings starting at $700
Used Chevrolet Silverado 2500HD
306 Great Deals out of 27,045 listings starting at $1,250
Used Toyota Tundra
489 Great Deals out of 34,174 listings starting at $3,000
Used Toyota Tacoma
519 Great Deals out of 39,893 listings starting at $1,995
Used Chevrolet Tahoe
584 Great Deals out of 27,619 listings starting at $1,500
Used Chevrolet Colorado
223 Great Deals out of 23,589 listings starting at $1,395
Used Ford F-250 Super Duty
337 Great Deals out of 47,710 listings starting at $1,495
Used Chevrolet Silverado 2500
8 Great Deals out of 295 listings starting at $3,000
Used Chevrolet Silverado 1500HD
12 Great Deals out of 270 listings starting at $3,950
Used Ford Mustang
396 Great Deals out of 47,365 listings starting at $1,999

Used Cars For Sale

2017 Chevrolet Silverado 1500 For Sale
44 Great Deals out of 116,248 listings starting at $20,542
2016 Chevrolet Silverado 1500 For Sale
132 Great Deals out of 6,047 listings starting at $20,499
2015 Chevrolet Silverado 1500 For Sale
181 Great Deals out of 7,270 listings starting at $15,888
2014 Chevrolet Silverado 1500 For Sale
281 Great Deals out of 10,432 listings starting at $9,988
2013 Chevrolet Silverado 1500 For Sale
154 Great Deals out of 5,112 listings starting at $7,650