This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗2011 Chevrolet Malibu engine problems
moderate Owners of the 2011 Chevrolet Malibu have filed 62 NHTSA complaints about the engine, typically surfacing around 72,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
62
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2007 Malibu | 16 |
| 2008 Malibu | 28 |
| 2009 Malibu | 24 |
| 2010 Malibu | 46 |
| 2011 Malibu (this page) | 62 |
| 2012 Malibu | 30 |
| 2013 Malibu | 78 |
| 2014 Malibu | 66 |
| 2015 Malibu | 24 |
1fire
When does it fail?
Of the 62 engine complaints filed for the 2011 Chevrolet Malibu, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners have filed 62 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
No new NHTSA engine complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
full bulletin at NHTSA ↗This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2011 Malibu engine cluster shows one dominant, life-threatening pattern: sudden loss of engine power while driving. Owners report the "Reduced Engine Power" and "SERVICE ESC" warnings appearing without warning at speeds from 20 to 70 mph, causing the vehicle to slow to 5–10 mph with no ability to accelerate. This has happened during highway merges, in traffic, and on interstates. The problem is intermittent and sometimes clears after shutting off and restarting, but returns unpredictably—some owners report it happening zero to five times in a morning commute. Dealers have replaced throttle bodies, throttle position sensors, and control computers, yet the failures recur. GM issued service bulletin PIP5019 for a throttle sensor connector issue but has not recalled the vehicle.
Timing chain failures appear across the mileage spectrum (67,000 to 136,000 miles) and result in complete engine seizure requiring replacement. Owners report crank/cam correlation codes and are told the engine must be rebuilt or replaced at significant cost.
Additional failures include engine stalling without warning, overheating from water pump leaks, excessive engine revving at startup with electrical instability, and transmission shift quality issues. Motor mounts have failed as well. Owners consistently report dealers either cannot replicate the faults or cannot find lasting repairs. No recalls have been issued despite owners finding dozens of online reports of identical problems across multiple forums.
Same Chevrolet Malibu engine reports on nearby years: 2009 · 2010 · 2012 · 2013 · 2014
Failure modes owners describe
Sudden Loss of Engine Power with 'Reduced Engine Power' Warning
Vehicle loses engine power while driving at various speeds, typically accompanied by a 'Reduced Engine Power' or 'SERVICE ESC' warning light on the dashboard. The vehicle decelerates dramatically, sometimes to 5–10 mph, causing loss of acceleration and difficulty merging or proceeding safely. The condition is often intermittent and can clear after turning the engine off and restarting.
When: Occurs at speeds ranging from 20–70 mph; many reports cite 60+ mph highway driving. Happens with or without warning, sometimes repeatedly during a single trip.
Symptoms owners cite: Sudden loss of power while accelerating or driving at highway speeds; Vehicle slows to 5–10 mph max speed with no way to accelerate; Dashboard warning lights: 'Reduced Engine Power', 'SERVICE ESC', 'SERVICE TRACTION', 'CHECK ENGINE'; Violent shaking and jerking of the vehicle; Problem often clears after shutting off and restarting the engine, but recurs unpredictably; Can happen 0–5 times per morning commute in some cases
Codes mentioned: P2135, P2138, P0016, P0017
Repairs/costs cited: Owners report dealers replacing throttle body (no fix for recurrence in some cases), throttle positioning sensor ($200 at dealer), control computer panel, cam sensors, cam actuators, and timing chain components ($1,400+). TSB #PIP5019 (DOC ID#2834731) addresses intermittent electrical connection at TPS connector; service bulletin mentioned but no formal recall issued. One owner reports replacing alternator and battery cable without lasting resolution.
Recalls/TSBs owners mention: GM issued TSB #PIP5019 for throttle sensor connector issue. Service bulletin noted for Cruze/Sonic (bulletin 14371B) for similar problems, but no recall for Malibu. GM told some owners the reduced power feature is a safety feature and cannot assist without a recall.
Timing Chain Failure
Timing chain breaks, fractures, or guides fail, causing complete engine failure and loss of all power. Owners report receiving diagnostic codes indicating crank/cam correlation issues and being told engine replacement is required. Failures occur at relatively low mileage (67,000–136,000 miles).
When: Failures reported at 67,000 miles, 73,000 miles, 94,000 miles, 98,616 miles, 105,000+ miles. One owner reported it at 77,000 miles after battery light warning. Timing chain guide wear may occur earlier due to manufacturing defect.
Symptoms owners cite: Engine light comes on, vehicle loses all power; Engine will not restart or stalls without warning; Possible loud ticking noise before failure; Smoke from exhaust in some cases; Vehicle requires towing; engine replacement necessary
Repairs/costs cited: Engine replacement required, costing several thousand dollars (specific costs not always stated, but owners describe as 'great cost'). Some owners report metal debris found on cam actuator during inspection. One owner reports attempting DIY repair of timing chain, sprockets, and guides for $400 in parts vs. $1,400 dealer quote.
Recalls/TSBs owners mention: GM did not offer recall or assistance for 2011 Malibu timing chain failures. One owner noted GM issued bulletin 14371B for Cruze (2011–2014) and Sonic (2012–2014) for similar coolant-leak-related engine damage, but this bulletin does not apply to Malibu. Manufacturers told owners no action could be taken.
Engine Ticking / Metallic Rattle from Engine
Persistent ticking or metallic rattle noise emanating from the engine or rear of the vehicle, most noticeable over uneven roads. Reported as present from day of purchase and recurring despite multiple dealer service visits.
When: One owner reported ticking from the day after purchase in August 2010. Another owner reports ongoing ticking noise for months preceding timing chain failure. Symptoms may persist across thousands of miles.
Symptoms owners cite: Loud ticking sound from engine, described as 'like a bomb'; Metallic rattle from rear end when driving over uneven roads; Noise present within 24 hours of new vehicle purchase in one case; Noise continues despite multiple dealer repair attempts
Repairs/costs cited: Dealer made multiple repair visits (August 30, August 31, September 17, September 30, October 7, 2010 in one case) but could not isolate or fix the source. One mechanic told owner 'the noise may be the new normal for Chevrolet.' No lasting repair documented.
Recalls/TSBs owners mention: Dealer service advisor and mechanic stated no further action plan available. Owner requested lemon law claim and vehicle replacement. Chevy Customer Assistance Center claimed vehicle was repaired, which the dealership denied. No recall or TSB addressed the issue.
Throttle Body / Throttle Positioning Sensor Malfunction
Throttle body or throttle positioning sensor fails, causing erratic engine behavior, loss of acceleration, stalling, or inability to maintain speed. Some repairs temporarily fix the issue before recurrence.
When: Reported at 48,500 miles, 55 mph sustained highway driving, 60,000 miles, 80,200 miles, 92,000 miles, 105,000+ miles. Can occur at low speeds (20–40 mph) or highway speeds (55–70 mph).
Symptoms owners cite: Vehicle fails to accelerate or becomes resistant to acceleration; Vehicle deceleration without driver input; Engine stalls while driving or at stops; Check Engine light illuminates; Reduced Engine Power warning displays
Codes mentioned: P2135
Repairs/costs cited: Owners report replacement of throttle body ($0–unspecified cost), throttle positioning sensor, and electronic control module / computer panel. Repairs sometimes provide temporary relief (weeks to months) before failure recurs. One owner had throttle sensor wire connector replaced for $200 at dealer in spring; problem returned in fall.
Recalls/TSBs owners mention: Dealers diagnosed the failure and performed repairs; however, failures frequently recurred. No long-term fix or recall identified.
Engine Overheating / Coolant Leak from Water Pump
Engine overheats due to coolant leak from water pump, causing loss of power, smoking, and eventual engine failure requiring replacement.
When: Reported at 98,616 miles while driving on highway.
Symptoms owners cite: Temperature gauge drops to zero during operation; Engine loses power while on highway; Smoke visible from engine / exhaust; Vehicle becomes inoperable and requires towing; Engine damage occurs due to overheating
Repairs/costs cited: Mechanic diagnosed coolant leak from water pump. Engine replacement required at 'great cost and inconvenience' to owner. Cost not specified.
Recalls/TSBs owners mention: Owner called GM requesting reimbursement but was told no action could be taken because no bulletin or recall exists for this problem on the 2011 Malibu. (Note: GM did issue bulletin 14371B for similar water-pump-related issues on 2011–2014 Cruze and 2012–2014 Sonic, but this does not cover Malibu.)
Engine Stalling Without Warning
Engine stalls or shuts down while vehicle is in motion without prior warning lights or indicators. Vehicle may restart after a delay or require multiple restart attempts. Failures are intermittent and difficult to diagnose.
When: Reported at speeds from 20–70 mph and at traffic lights. Mileage range 52,000–151,000 miles. One owner reports three stalls within a year.
Symptoms owners cite: Engine suddenly shuts off while driving; No prior warning lights in many cases (check engine or warning lights may illuminate after stall); Vehicle coasts to a stop with loss of power steering assist; Restart may be immediate or require several minutes delay; Multiple warning lights may illuminate after stall (CHECK ENGINE, ESC, TRACTION, ABS)
Repairs/costs cited: One owner reports low oil was cited as cause on first occurrence, EGR valve plenum cleaning on third. Another owner reports transmission, battery cable, and alternator replacement without lasting resolution. One owner reports engine reset performed. Multiple attempts at diagnosis by dealers produced varying explanations.
Recalls/TSBs owners mention: Manufacturer notified in some cases but offered no recall or assistance. Dealers could not replicate or reliably diagnose the condition.
Engine Revving and Electrical Instability at Start
Engine revs excessively when started (without driver pressing accelerator pedal) and exhibits electrical instability, including bright/dim cycling of interior and exterior lights. Temperature gauge may not respond or may move very slowly. Vehicle runs harder, louder, and with vibration.
When: Reported at 55,100 miles, within a month of purchase in July 2015. Occurs intermittently but with increasing frequency over time.
Symptoms owners cite: Engine revs hard at startup as if accelerator is pressed, but pedal is not being engaged; Interior and exterior lights flicker bright and very dim repeatedly during revving; Temperature gauge stays at zero or moves very slowly after running for extended time; Engine runs harder and louder with slight shaking during and after these episodes; Heat and defrost performance degraded during episodes
Repairs/costs cited: Mechanic stated a vehicle with 55,100 miles should not exhibit this behavior. Specific repairs not documented.
Recalls/TSBs owners mention: No manufacturer response documented.
Motor Mount Failure
Motor mount becomes faulty, allowing excessive engine movement and transmission of vibration to the vehicle frame.
When: Reported at 42,000 miles.
Symptoms owners cite: Unusual noise from engine; Severe steering wheel vibration; Vibration occurs especially when driving over gravel or uneven road surfaces
Repairs/costs cited: Independent mechanic identified faulty motor mount requiring replacement. Vehicle was not repaired per the complaint.
Recalls/TSBs owners mention: No manufacturer response. Manufacturer was not notified.
Transmission Shift Quality Issues and Fuel Economy Degradation
Six-speed automatic transmission revs excessively high when shifting between gears during acceleration and struggles to shift smoothly, particularly between 2nd and 3rd or 4th gears. Vehicle fuel economy is significantly worse than EPA rating despite owner adjusting driving habits.
When: Reported from time of purchase in April 2011 with 25,000 miles at start of complaint. Vehicle owned for at least 4 months with no improvement despite behavioral changes.
Symptoms owners cite: Engine revs extremely high when shifting gears during acceleration; Transmission struggles to shift between 2nd and 3rd gears and 4th gear; Fuel economy averaging 23.3 mpg (city-equivalent) on highway despite EPA rating of 33 mpg highway and 25 mpg average; Owner's previous 2009 Malibu (4-speed auto) achieved better fuel economy
Repairs/costs cited: Owner planned to have fuel system checked and automatic starter examined (starter failed at 25,000 miles). No documented repairs provided.
Recalls/TSBs owners mention: No manufacturer response documented.
Synthesized from 62 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Tl* the contact owns a 2011 Chevrolet malibu. The contact stated while driving 35 MPH, the reduce engine warning light was illuminated and the vehicle began to decelerate independently. The vehicle was turned off and restarted and driven to her destination. The contact stated she had experienced the failure multiple times. The vehicle was taken to an independent mechanic and the contact was…
Had engine trouble with your 2011 Chevrolet Malibu?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2011 Chevrolet Malibu?
It's a documented issue but not catastrophic. 62 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 52 complaints that reported odometer mileage, most engine failures cluster between 55,000 and 98,000 miles, with the median around 72,000. A quarter of owners report trouble before 55,000; a quarter make it past 98,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/Chevrolet/Malibu.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.