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Any car mechanics or buffs out there?

Posted on 7/1/20 at 8:24 am
Posted by lshuge
Member since Sep 2017
991 posts
Posted on 7/1/20 at 8:24 am
A friend has a 2013 Chevy Malibu. The engine was rebuilt or replaced under warranty by the dealer 3 years ago.

Now a mechanic is telling him that the engine is losing power and the same issue (engine rebuild) may be necessary.

Could somebody be tampering with his gas or his engine? He's been dating a woman with a twisted ex husband.
Posted by FLBooGoTigs1
Nocatee, FL.
Member since Jan 2008
59583 posts
Posted on 7/1/20 at 8:25 am to
quote:

He's been dating a woman with a twisted ex husband



Ole baw definitely pissing in the gas tank
Posted by Shexter
Prairieville
Member since Feb 2014
21857 posts
Posted on 7/1/20 at 8:27 am to
quote:

Now a mechanic is telling him that the engine is losing power and the same issue (engine rebuild) may be necessary.



When it comes to auto mechanics and physicians, some are good at diagnosing, some are just parts changers. Get a second opinion.
Posted by DevilDagNS
Member since Dec 2017
3026 posts
Posted on 7/1/20 at 8:29 am to
quote:

Could somebody be tampering with his gas or his engine?


With any GM product made after 2006 you are going to have a very difficult time with that theory.
Posted by Hangit
The Green Swamp
Member since Aug 2014
47789 posts
Posted on 7/1/20 at 8:30 am to
American carmakers have never really gotten past their love of planned obsolescence.
Posted by Pvt Hudson
Member since Jan 2013
4991 posts
Posted on 7/1/20 at 8:32 am to
There’s no way an engine needs two rebuilds in 7 years unless you are racing it.
Posted by Proximo
Member since Aug 2011
25130 posts
Posted on 7/1/20 at 8:35 am to
quote:

He's been dating a woman with a twisted ex husband.


definitely asking for a friend
Posted by Tigeralum2008
Yankees Fan
Member since Apr 2012
17755 posts
Posted on 7/1/20 at 8:36 am to
quote:

A friend has a 2013 Chevy Malibu. The engine was rebuilt or replaced under warranty by the dealer 3 years ago.

Now a mechanic is telling him that the engine is losing power and the same issue (engine rebuild) may be necessary.

Could somebody be tampering with his gas or his engine? He's been dating a woman with a twisted ex husband.


What motor is in it?

I had a terrible experience with the GM 2.4L they installed in their small SUV's

Bad sensors, exhaust manifold, blown motor
Posted by Robin Masters
Birmingham
Member since Jul 2010
36824 posts
Posted on 7/1/20 at 8:38 am to
Check the Johnson rod.
Posted by Boudreaux35
BR
Member since Sep 2007
22281 posts
Posted on 7/1/20 at 8:40 am to
I would want to know what he thinks the issue is. Losing power is not a cause, it is the result. What is causing the loss of power? If he can't tell you, take it somewhere else.
Posted by eitek1
Member since Jun 2011
2914 posts
Posted on 7/1/20 at 8:42 am to

The only way to be sure is to run a "compression check". This will indicate how much wear you have between your cylinder wall and piston. The compression tester is like 15 bucks at Autozone and it takes about an hour to test your engine if you take your time. If you can change your spark plugs, you can do this.

If the compression is OK and it's not "knocking" the problem isn't a worn out engine.
Posted by VolsOut4Harambe
Baw Land
Member since Sep 2017
14954 posts
Posted on 7/1/20 at 8:46 am to
quote:

The only way to be sure is to run a "compression check". This will indicate how much wear you have between your cylinder wall and piston. The compression tester is like 15 bucks at Autozone and it takes about an hour to test your engine if you take your time. If you can change your spark plugs, you can do this.


This.

You should have a factory PSI level as a benchmark. 1 of 3 things happens: all 6 (or 4, if it’s a 4 banger) cylinders are normal; all cylinders are low; or one of them is lower than the others. Usually the 3rd scenario indicates failure.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
29043 posts
Posted on 7/1/20 at 8:52 am to
quote:

2013 Chevy Malibu


Passed its useful life. tell him to buy a new car.
Posted by MMauler
Primary This RINO Traitor
Member since Jun 2013
24766 posts
Posted on 7/1/20 at 8:54 am to
quote:

2013 Chevy Malibu

Could somebody be tampering with his gas or his engine?



Possible - Yes.

Likely - Not very.


If your friend had a Toyota or Honda, the likelihood would go up substantially. But, he has a Chevy. Odds are that it's just a Chevy being a Chevy.

Tell your friend to buy a Toyota or Honda next time.
Posted by RT1941
Member since May 2007
32318 posts
Posted on 7/1/20 at 8:57 am to
quote:

A friend has a 2013 Chevy Malibu. The engine was rebuilt or replaced under warranty by the dealer 3 years ago.

Don't put anymore $$ in a 7 yr old car.
Posted by sleepytime
Member since Feb 2014
3936 posts
Posted on 7/1/20 at 8:57 am to
Is the car going into “reduced power mode” or is it just lacking get up and go? If it’s going into reduced power mode, it’s most likely not the engine.
Posted by CptRusty
Basket of Deplorables
Member since Aug 2011
11740 posts
Posted on 7/1/20 at 8:57 am to
quote:

Now a mechanic is telling him that the engine is losing power


This is a load of crap.

Ask specifically what is wrong and see what he comes back with.
Posted by carguymatt
Member since Aug 1998
Member since Jun 2015
1128 posts
Posted on 7/1/20 at 9:03 am to
Chevy was making crap vehicles in those years. A buddy of mine that builds 07 and older chevy trucks told me most of the parts in that 2013 era came from China. That car may have a bad head gasket. I wouldn't fix it . I would just trade it in if it runs and drives or park it somewhere and let it get towed off if it doesnt
Posted by 3deadtrolls
lafayette
Member since Jan 2014
7092 posts
Posted on 7/1/20 at 10:08 am to
If it's the same 4cyl that they used in the Equinoxes of that timeframe, I believe it. Straight garbage.
Posted by danilo
Member since Nov 2008
26360 posts
Posted on 7/1/20 at 10:13 am to
No idea why people keep buying damn American car. Buy Japanese.
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