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Started By
Message
Silverado feeling sluggish
Posted on 8/10/14 at 7:06 pm
Posted on 8/10/14 at 7:06 pm
I have an 07 silverado with the 4.8 liter V8 with 140k miles. Lately I have noticed it feels sluggish when I step on it. I can't even turn the tires over on a wet road when I floor it. No check engine light on or any indicator lights.
Where do I even start without bringing it in and getting charged out of the arse for it?
Where do I even start without bringing it in and getting charged out of the arse for it?
12
Posted on 8/10/14 at 7:07 pm to LSUTOM07
lifters
Posted on 8/10/14 at 7:09 pm to LSUTOM07
A general tune up is easy to do in a day and is a good start. At 140k, you need it
Posted on 8/10/14 at 7:10 pm to LSUTOM07
Seafoam
Posted on 8/10/14 at 7:11 pm to QuietTiger
Speaking of this, check engine light came on today. I'm thinking it's fuel filter. If I bring it into pepboys or Firestone, how much a good tune up gone cost me? I'm at 226k
Posted on 8/10/14 at 7:15 pm to LSUTOM07
I'm sure you're due up for plugs and wires at that point. Might help and might not. Change the fuel filter, check the air filter, etc. you probably need to do all that anyway. Should all be pretty easy to do.
If that doesn't fix it you're going to have to do some troubleshooting.
If that doesn't fix it you're going to have to do some troubleshooting.
Posted on 8/10/14 at 7:18 pm to LSUTOM07
quote:
I have an 07 silverado with the 4.8 liter V8
Problem. Right there.
What brand of fuel do you normally use? If it's "whatever is cheapest", you might want to rethink that.
Posted on 8/10/14 at 9:19 pm to LSUTOM07
Clean the MAF.
YouTube it, it's easy, just be particular.
YouTube it, it's easy, just be particular.
Posted on 8/10/14 at 11:05 pm to VetteGuy
Transmission gonna blow
Posted on 8/11/14 at 12:29 am to LSUTOM07
Uncle rick been butt frickin you in a cabin in pigeon forge.......... alot in your Chevy SilverAdo 
This post was edited on 8/11/14 at 12:31 am
Posted on 8/11/14 at 12:29 am to Clames
quote:
What brand of fuel do you normally use?
It's been BP for the last 6 months.
Posted on 8/11/14 at 4:53 am to jimbeam
quote:
Speaking of this, check engine light came on today. I'm thinking it's fuel filter. If I bring it into pepboys or Firestone, how much a good tune up gone cost me? I'm at 226k
Yall do realize Autozone will run diagnostics on a check engine light for free, right?
I know, Autozone sucks, but I'm not sure if other stores like them do this or not.
Posted on 8/11/14 at 6:53 am to jimbeam
quote:
Speaking of this, check engine light came on today. I'm thinking it's fuel filter.
There is a solenoid that has something to do with the gas overflow that causes alot of check engine lights with these trucks.
Posted on 8/11/14 at 7:55 am to LSUTOM07
I noticed recently a delay between when I would hit the gas and when the car took off. It felt like it would think about stalling and then pick up. It turned out to be a dirty fuel filter
Posted on 8/11/14 at 7:58 am to VetteGuy
quote:
Clean the MAF.
This ^^^ Also pull the throttle body off and clean the carbon buildup with an old toothburch and Throttle body cleaner. Do this at 100K intervals
Posted on 8/11/14 at 7:58 am to LSUTOM07
the 4.8 did not have the AFM lifters. You're either having a fuel delivery problem or the MAF meter is dirty as VG recommended earlier.
This post was edited on 8/11/14 at 7:59 am
Posted on 8/11/14 at 8:11 am to TexasTiger01
I used to do the throttle body on my 5.3 every 15,000 miles, and it was always dirty. I'd swap new paper filters in at that time too. Aggravating as hell
Posted on 8/11/14 at 8:30 am to LSUTOM07
quote:
Lately I have noticed it feels sluggish when I step on it.
quote:
140k miles
Any chance you could need a fuel filter?
This post was edited on 8/11/14 at 8:36 am
Posted on 8/11/14 at 8:33 am to member12
quote:
Any chance you cold need a fuel filter?
His truck doesn't have a serviceable fuel filter.
This post was edited on 8/11/14 at 9:15 am
Posted on 8/11/14 at 8:35 am to Hammertime
quote:
I used to do the throttle body on my 5.3 every 15,000 miles, and it was always dirty. I'd swap new paper filters in at that time too. Aggravating as hell
Yup, they'll get so dirty it affects idle quality and will turn the check engine light on. I need to service the wife's Tahoe now...
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