Fix of the Week – May 6th 2020

The Fix of the Week

The Fix of the Week: 

Every week, we review new fixes submitted by our Direct-Hit users and pick our favorite “Fix of The Week.” This week our favorite fix regards a 2011 Chevy Malibu with a rattling noise and a Check Engine light, it comes to us directly from a technician in a shop based in Rochester, NY.

 

The Vehicle

2011 Chevrolet Malibu 2.4 Liter 4 Cylinder

The Problem:

There is a rattling noise and the Check Engine Light is on.

Diagnostic Trouble Codes (DTC’S):

P0106 Manifold Absolute Pressure (MAP) Sensor Performance and P0300 Random Multiple Misfires

Other Applicable Vehicles:

2010, 2011, and 2012 Chevy Malibu’s.

The Diagnosis:

I first checked the MAP sensor signal quickly and it checked out good. I noticed the rattling noise and knowing that these engines like to break the timing chain guides and wear the retaining bolts away, I pulled the oil filter and found a lot of metal shards. I pulled the valve cover and confirmed the missing front timing chain guide and worn away upper guide.

The Solution:

Replaced the Timing chain and guide kit, new (VVT) Variable Valve Timing Camshaft bolts, and oil and filter change.

Additional Information in Direct Hit:

There are 2 additional fixes for timing chain/ timing related repairs for the P0106 Code.

 

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