2014 Stingray

Reply Subscribe

Thread Tools

Search this Thread

Mar 22, 2017 | 09:36 AM

ddchevmech

Thread Starter

1st Gear

Joined: Mar 2017

Posts: 1

Likes: 0

2014 Stingray

Getting p0171 and p0174 dtcs (lean) but not finding cause, any help would be appreciated.

Mar 22, 2017 | 02:29 PM

lakemg

Melting Slicks

Joined: Aug 2014

Posts: 2,746

Likes: 916

Quote:

Originally Posted by ddchevmech

Getting p0171 and p0174 dtcs (lean) but not finding cause, any help would be appreciated.

Do you have a Z51? If so, check your air inlet tube between the air filter and throttle body. If it has oil in it, your oil has been overfilled and you sucked some oil into it. If that's the case, you might also need to change your air filter, clean the inside of the tube, and clean your MAF. I experienced this when I bought my car and dealer overfilled the oil on my Z51. Check engine light with lean codes were one of the symptoms along with a situation where I could rev it in neutral and the RPMs would not drop down after letting off the gas. Instead, the rpms would hover and in some cases increase to the point where I would have to kill the engine.

I cleaned the air inlet tube, MAF, and ended up having to replace the air filter which the dealer reimbursed me for.

Here are the codes that I was getting:

Last edited by lakemg; Mar 22, 2017 at 02:31 PM.

Mar 22, 2017 | 03:03 PM

Patman

Race Director

Joined: May 2001

Posts: 15,324

Likes: 2,081

From: Guelph, Ontario

You might get more people viewing this thread if the title was more specific

Reply Subscribe

Reply Share

First
Prev
1 / 1
Next
Last

Forum Jump