GAS GAUGE HAS FAULTY READINGS. CONSISTENTLY READS 3/4 TO FULL WHEN IN ACTUALITY ACTUAL LEVEL IS APPROACHING EMPTY. AFTER FILL-UP GAUGE READS FULL BUT STATUS DOES NOT TRACK WITH ACTUAL GAS IN FUEL TANK. *TR
2003 Infiniti M45
Owner reports · Recalls · Investigations
More warning signs than most M45 years
Owner complaints for the 2003 Infiniti M45 are substantially higher than the model-year median of 27.
About this comparison →How this year compares
Owner complaints by model year
Compare all M45 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
111 reports with mileage · 18 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel System, Gasoline. Review the 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Fuel System, Gasoline complaints
65 reportsFUEL GAUGE STOPS AT HALF FULL, AND RETURNS TOWARD FULL UNTIL RUNNING OUT OF GAS. THERE ARE TWO LOW GAS WARNINGS (LIGHT AND MESSAGE) WHICH NO LONGER WORK. AFTER SEVERAL MONTHS OF USING ODOMETER FOR APPROXIMATE GAS AMOUNT STATUS, THE CHECK ENGINE LIGHT ILLUMINATED. THE AUTO ZONE CODE CHECK SHOWS THE FUEL LEVEL SENDER IS FAULTY. …
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FUEL GAUGE STOPS AT HALF FULL, AND RETURNS TOWARD FULL UNTIL RUNNING OUT OF GAS. THERE ARE TWO LOW GAS WARNINGS (LIGHT AND MESSAGE) WHICH NO LONGER WORK. AFTER SEVERAL MONTHS OF USING ODOMETER FOR APPROXIMATE GAS AMOUNT STATUS, THE CHECK ENGINE LIGHT ILLUMINATED. THE AUTO ZONE CODE CHECK SHOWS THE FUEL LEVEL SENDER IS FAULTY. TURNS OUT THIS A COMMON PROBLEM FOR THIS MAKE AND MODEL, AND MANY FIXES (SENDER UNIT AND GAUGE CLUSTER) DO NOT WORK. *TR
FOR THE PAST YEAR I HAVE BEEN HAVING A ISSUE WITH THE FUEL GAUGE ON MY 2003 INFINITI M45. FIRST I NOTICED THE PROBLEM WHILE DRIVING WHEN MY FUEL READING WAS AT 1/4 TANK AND THE GAUGE STARTED TO RISE TO A FULL TANK. I DID NOT LIKE WHAT WAS HAPPENING SO I PROMPTLY WENT AND PUT GAS IN THE CAR TO FILL THE TANK. AFTER A DAY OR TWO OF…
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FOR THE PAST YEAR I HAVE BEEN HAVING A ISSUE WITH THE FUEL GAUGE ON MY 2003 INFINITI M45. FIRST I NOTICED THE PROBLEM WHILE DRIVING WHEN MY FUEL READING WAS AT 1/4 TANK AND THE GAUGE STARTED TO RISE TO A FULL TANK. I DID NOT LIKE WHAT WAS HAPPENING SO I PROMPTLY WENT AND PUT GAS IN THE CAR TO FILL THE TANK. AFTER A DAY OR TWO OF CITY DRIVING IN CHICAGO THERE WAS NO CHANGE TO MY FUEL READING. I WASN'T UNTIL 3 WEEKS AGO I WAS ON THE DAN RYAN EXPRESS WAY WHEN THE PROBLEM REALLY SCARED ME. I WAS DRIVING AND MY CAR STARTED TO SPUTTER WHEN I NOTICED THAT MY FUEL READING WAS STILL AT 3/4 FULL. IT SHUT OFF COMPLETELY IN HIGH SPEED TRAFFIC AND THERE WAS NO FUEL IN THE TANK. THE MINUTE MAN JUST HAPPENED TO BE COMING AND SAW ME AND GAVE ME A GALLON OF GAS. I WAS FORTUNATE THAT I WAS ABLE TO GET TO THE SHOULDER WITHOUT CAUSING ANY SERIOUS TO FATAL INCIDENT. THIS SHOULD BE A FACTORY RECALL BECAUSE IT'S ABSOLUTELY TO MANY INFINITI M CARS ON THE ROAD WITH THIS ISSUE. FROM MY PERSPECTIVE, IT WILL GET ADDRESSED WHEN THERE'S A FATAL ACCIDENT WHERE SOMEONE IS REAR ENDED DUE TO THIS MALFUNCTION. PLEASE ADDRESS THIS PROBLEM. THANK YOU. *TR
FUEL GAUGE DOES NOT SHOW CORRECT AMOUNT OF FUEL RESULTING IN RUNNING OUT OF GAS. I HAVE BEEN DEALING WITH THE PROBLEM FOR ALMOST 2 YEARS. NOW THE SERVICE ENGINE LIGHT CAME UP AND THE ISSUE REQUIRES FIXING IN ORDER TO PASS EMISSION CONTROL. THIS IS WELL KNOWN PROBLEM, BUT INFINITI REFUSES FIXING IT. *KB
I PURCHASED THE INFINITI 2003 M45 BEFORE I KNEW ABOUT THE FUEL GAUGE PROBLEM. THE SHOP I USE HAS ORDERED 3 OEM GAUGE CLUSTERS FROM INFINITI ALL THREE WOULD NOT WORK.WITH ALL THE COMPLAINTS AND THE SAFETY ISSUES WHY DOES INFINITI REFUSE TO FIX THIS PROBLEM. IT IS A REAL SURPRISE THAT A PROBLEM FROM 2003 STILL CAN NOT BE FIXED …
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I PURCHASED THE INFINITI 2003 M45 BEFORE I KNEW ABOUT THE FUEL GAUGE PROBLEM. THE SHOP I USE HAS ORDERED 3 OEM GAUGE CLUSTERS FROM INFINITI ALL THREE WOULD NOT WORK.WITH ALL THE COMPLAINTS AND THE SAFETY ISSUES WHY DOES INFINITI REFUSE TO FIX THIS PROBLEM. IT IS A REAL SURPRISE THAT A PROBLEM FROM 2003 STILL CAN NOT BE FIXED EIGHT YEARS LATER. THIS ISSUE NEEDS INVESTIGATION AND INFINITI NEEDS TO BE HELD RESPONSIBLE FOR ALL REPAIRS IN OTHER WORDS RECALL. *TR
THE FUEL GAUGE ON MY 2003 INFINITI M45 IS DEFECTIVE. IT BEGAN TO OCCUR AT 101,000 MILES INTERMITTENTLY, BUT NOW IS A CONSTANT PROBLEM. THE FUEL GAUGE CORRECTLY READS THE TANK LEVEL UNTIL ABOUT 1/2 TANK AT WHICH POINT IT SEVERELY DROPS, OR SEVERELY RISES TO "FULL". I KNOW THIS TO BE A PROBLEM WITH THIS PARTICULAR MODEL IN THE FUE…
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THE FUEL GAUGE ON MY 2003 INFINITI M45 IS DEFECTIVE. IT BEGAN TO OCCUR AT 101,000 MILES INTERMITTENTLY, BUT NOW IS A CONSTANT PROBLEM. THE FUEL GAUGE CORRECTLY READS THE TANK LEVEL UNTIL ABOUT 1/2 TANK AT WHICH POINT IT SEVERELY DROPS, OR SEVERELY RISES TO "FULL". I KNOW THIS TO BE A PROBLEM WITH THIS PARTICULAR MODEL IN THE FUEL GAUGE CLUSTER, AND TRIED TO HAVE IT FIXED AT THE DEALER. THEY DID NOT FIX IT UNDER WARRANTY, AND SAID THERE WAS NO RECALL, HOWEVER THEY RECOGNIZED MANY OTHER OWNERS HAD THE SAME ISSUE. OTHER OWNERS HAVE SAID THE ONLY WAY TO CORRECT THE PROBLEM IS TO COMPLETELY REPLACE THE GAUGE CLUSTER, HOWEVER, I WILL NOT PAY FOR A DEFECTIVE PART AT THAT PRICE, SO I HAVE BEEN KEEPING TRACK OF MILEAGE IN ORDER TO TIME FILL-UPS. THE DANGER LIES IN THE FACT THAT THE FUEL LIGHT WILL NOT COME ON, AND THE TANK WILL READ ABOVE HALF-FULL WHEN THE TANK IS CLOSE TO EMPTY. THERE IS SEVERE RISK OF RUNNING OUT OF GAS ON THE HIGHWAY AND CAUSING AN ACCIDENT. *TR
TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS. WHILE DRIVING, THE VEHICLE RAN OUT OF FUEL AND STALLED WITHOUT WARNING, ALTHOUGH THE FUEL LEVEL GAUGE INDICATED THAT THERE WAS ONE QUARTER TANK OF FUEL. THE VEHICLE WAS NOT INSPECTED. THE FAILURE MILEAGE AND …
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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS. WHILE DRIVING, THE VEHICLE RAN OUT OF FUEL AND STALLED WITHOUT WARNING, ALTHOUGH THE FUEL LEVEL GAUGE INDICATED THAT THERE WAS ONE QUARTER TANK OF FUEL. THE VEHICLE WAS NOT INSPECTED. THE FAILURE MILEAGE AND CURRENT MILEAGE WAS 58,000.
PURCHASED 2003 INFINITI M45 WITH 104K MILES AT VOLVO OF HOUSTON, TX AND DROVE BACK TO AUSTIN, TX. THE FUEL GAUGE READ MORE THAT HALF A TANK IN THE CAR, BUT WAS IN FACT CLOSER TO EMPTY. WHILE DRIVING CAR RAN OUT OF GAS ON A MAIN THOROUGH FARE HAD TO CALL AAA ROADSIDE ASSISTANCE FOR TOWING TO LOCAL AUTOREPAIR SHOP. IN THE PAST…
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PURCHASED 2003 INFINITI M45 WITH 104K MILES AT VOLVO OF HOUSTON, TX AND DROVE BACK TO AUSTIN, TX. THE FUEL GAUGE READ MORE THAT HALF A TANK IN THE CAR, BUT WAS IN FACT CLOSER TO EMPTY. WHILE DRIVING CAR RAN OUT OF GAS ON A MAIN THOROUGH FARE HAD TO CALL AAA ROADSIDE ASSISTANCE FOR TOWING TO LOCAL AUTOREPAIR SHOP. IN THE PAST YEAR HAVE LEARNED THAT THIS IS A COMMON PROBLEM THE NISSAN CORP REFUSES TO RECALL. *TR
2003 INFINITI M45, VEHICLE STALLED IN HIGHWAY TRAFFIC ON 2 SEPARATE OCCASIONS DUE TO LOW FUEL. FUEL GAUGE AND ELECTRONIC FUEL MONITORING SYSTEM BOTH SHOWED OVER 1/2 TANK OF FUEL ON BOTH OCCASIONS. I NARROWLY MISSED BEING REAR ENDED IN ONE INSTANCE AND T-BONED ON ANOTHER AS I TRIED TO MERGE ONTO ONCOMING TRAFFIC. FUEL GAUGE CL…
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2003 INFINITI M45, VEHICLE STALLED IN HIGHWAY TRAFFIC ON 2 SEPARATE OCCASIONS DUE TO LOW FUEL. FUEL GAUGE AND ELECTRONIC FUEL MONITORING SYSTEM BOTH SHOWED OVER 1/2 TANK OF FUEL ON BOTH OCCASIONS. I NARROWLY MISSED BEING REAR ENDED IN ONE INSTANCE AND T-BONED ON ANOTHER AS I TRIED TO MERGE ONTO ONCOMING TRAFFIC. FUEL GAUGE CLUSTER AND FUEL SENSOR NEED REPLACING. *TR
MY INFINITI M45 2003 MODEL IS HAVING ISSUE WITH FUEL GAUGE NOT SHOWING CORRECT AMOUNT OF GAS PRESENCE IN THE TANK. FUEL GAUGE SHOWED GAS TANK FULL WHEN IT IS NEARLY EMPTY OR SHOW EMPTY WHEN TANK IS FULL. FUEL GAUGE INDICATION IS VERY ERRATIC AND DOES NOT PROVIDE CORRECT INFORMATION. MY WIFE HAD AT LEAST 2 TIMES STOPS ON HIGHWA…
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MY INFINITI M45 2003 MODEL IS HAVING ISSUE WITH FUEL GAUGE NOT SHOWING CORRECT AMOUNT OF GAS PRESENCE IN THE TANK. FUEL GAUGE SHOWED GAS TANK FULL WHEN IT IS NEARLY EMPTY OR SHOW EMPTY WHEN TANK IS FULL. FUEL GAUGE INDICATION IS VERY ERRATIC AND DOES NOT PROVIDE CORRECT INFORMATION. MY WIFE HAD AT LEAST 2 TIMES STOPS ON HIGHWAY WITH KIDS AND CALLED ME TO BRING THE GAS DUE TO FAULTY GAUGE. WHEN I HAD THIS ERRATIC BEHAVIOR OF FUEL GAUGE DURING WARRANTY PERIOD, I HAD TAKEN IT TO THE DEALER THAT THEY NEVER FIXED AND PROVIDED SOME EXPLANATIONS TO AVOID THE SITUATION AND ADJUSTED SOMETHING TO AVOID THE SITUATION AT THAT TIME. ONCE THE WARRANTY EXPIRED, DEALER WAS READY TO FIX THE ISSUE WITH ABOUT $700 CHARGE CHANGING THE READOUT CLUSTER AND FUEL GAUGE SENSOR. DEALER IGNORED MY CONSTANT COMPLAINT DURING WARRANTY PERIOD. IT SEEMS THIS IS A WIDE SPREAD ISSUE IN MANY INFINITI 2003 M45 MODELS AND SEVERAL NISSAN MODELS ACCORDING TO MANY ONLINE DISCUSSION GROUPS. MY CAR HAS NOW ABOUT 92300 MILES AND INADDITION TO FUEL GAUGE FAULTY BEHAVIOR, I ALSO GET THE SERVICE ENGINE SOON LIGHT NOW. I HAVE TAKEN THE CAR TO A MECHANIC (NOT THE DEALER) AND IT WAS IDENTIFIED AS FUEL GAUGE SENOR ISSUE AND GAVE ME ABOUT $700 ESTIMATE TO FIX IT AS DEALER INDICATED ON PREVIOUS OCCASIONS. ACCORDING TO MY ONLINE RESEARCH AND MECHANIC INPUTS, THIS IS A KNOWN ISSUE FOR INFINITI AND NISSAN MODELS. IT IS VERY RISKY TO DRIVE THE CAR WITH FALSE SENSE OF SECURITY, ESPECIALLY WITH KIDS NOT KNOWING THE AMOUNT OF GAS IN THE TANK. MY CONSTANT COMPLAINT TO THE DEALER HAD NOT BEEN ANSWERED DURING WARRANTY BUT NOW READY TO FIX IT WITH A $700 PRICE TAG. THIS IS NOT AN ISOLATED INCIDENT AND NEED TO BE ADDRESSED WITH MANUFACTURER BY THE AUTHORITY THAT CONSUMER REQUESTS HAVE BEEN IGNORED. YOUR DIRECT INVOLVEMENT WOULD BE GREATLY APPRECIATED. *TR
Official recalls
212V088000 · Fuel System, Gasoline
Mar 6, 2012
NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.
Consequence & remedy
Consequence: THE VEHICLE MAY STALL WITHOUT WARNING, INCREASING THE RISK OF A CRASH.
Remedy: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE CIRCUIT BOARD FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 27, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.
03V455000 · Engine And Engine Cooling
Nov 17, 2003
ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.
Consequence & remedy
Consequence: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
3PE11038 · Fuel Level Gauge System Failure
Opened Dec 14, 2011 · Closed Mar 22, 2012
Status: closed (inferred from source dates) · Fuel System, Other:storage:fuel Gauge System
In a March 5, 2012 letter to NHTSA, Nissan North America, Inc. (Nissan) submitted a Defect Information Report identifying a defect in the combination meter circuit board in approximately 8,120 model year 2003 through 2004 Infiniti M45 vehicles manufactured from March 7, 2002 through June 3, 2004 (Recall No. 12V-088). According to Nissan, heat generated by several components of the circuit board may cause solder cracks due to thermal shock.Open circuits created by the solder cracks may cause the fuel gauge to read higher than the actual amount of fuel remaining in the gas tank or always indicate full.Because of this condition, drivers may run out of fuel without notice, resulting in an engine stall without warning with no possibility of restart. The Office of Defects Investigation (ODI) analyzed complaint data provided by Nissan as well as complaints submitted to ODI from consumers.In total, there were 315 unique reports indicating an inaccurate fuel level reading while driving, including 61 that resulted in an engine stall incident (7.5 incidents per thousand vehicles).In addition, Nissan provided warranty data showing 2,525 claims for replacement of the subject component (31% claim rate).Nissan will begin owner notification in mid-April 2012.Owners of the recalled vehicles will be notified to take their vehicle to an Infiniti dealer, who will install a sub-amplifier in the combination meter to bypass the electric circuit and ensure accurate fuel level indication.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.): 10429412, 10427140, 10426741, 10424642, 10423199, 10418078, 10416519, 10414944, 10412053, 10408935, 10406834, 10406096, 10404206, 10404080, 10395207, 10392714, 10386134, 10380863, 10374719, 10373992, 10369584, 10365717, 10365428, 10356315, 10353972, 10351181, 10349252, 10348351, 10342961, 10342641, 10336272, 10329869, 10325399, 10324572, 10323996, 10323757, 10322403, 10320190, 10318987, 10317547, 10317273, 10317234, 10317030, 10308445.
EA09005 · Non-deployment Of Side Thorax Air Bags
Opened Apr 1, 2009 · Closed Apr 3, 2012
Status: closed (inferred from source dates) · Air Bags:side/window
The subject vehicles are equipped with seat-mounted, side thorax air bags for the driver and front passenger.This investigation revealed that faulty side air bag module electrical connectors located under the driver and front passenger seats can cause an interruption in the electrical circuit that will drop the input voltage below the specified range.As a result, the air bag warning lamp illuminates on the instrument panel and the affected side air bag becomes deactivated.In June 2009, Nissan conducted a service campaign to repair the defective air bag electrical connectors in the subject vehicles (both Infiniti Q45 and M45 models).In June 2010, Nissan sent a second notification concerning the 2009 campaign to owners of vehicles that have not been remedied.Nissan is now conducting a safety recall of the Q45 vehicles not remedied under the service campaign (approximately 1,349 vehicles; see NHTSA Safety Recall No. 12V-079 for further details).The M45 vehicles are not included in the recall; however, Nissan is re-notifying owners of M45 vehicles that were not remedied under the previous service campaign.See attached report for more information.A safety-related defect trend has not been identified in the Infiniti M45 vehicles at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.The ODI reports cited above can be reviewed online at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10327196 and 10402282
PE08067 · Side Air Bag NON-DEPLOYMENT
Opened Dec 2, 2008 · Closed Apr 1, 2009
Status: closed (inferred from source dates) · Air Bags:side/window
THE SUBJECT VEHICLES ARE EQUIPPED WITH SEAT-MOUNTED, SIDE TORSO AIR BAGS FOR THE DRIVER AND FRONT PASSENGER.THIS INVESTIGATION HAS REVEALED THAT FAULTY SIDE AIR BAG MODULE CONNECTORS LOCATED UNDER THE FRONT SEATS CAN CAUSE AN INTERRUPTION IN THE ELECTRICAL CURRENT THAT WILL DROP THE INPUT VOLTAGE BELOW THE SPECIFIED RANGE.AS A RESULT, THE AIR BAG WARNING LAMP ILLUMINATES AND THE AFFECTED SIDE AIR BAG IS DEACTIVATED.THE RATES OF COMPLAINTS, FIELD REPORTS AND WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE ARE VERY HIGH.FOR EXAMPLE, NISSAN SUBMITTED 4,853 WARRANTY CLAIMS ON 3,551 DISTINCT SUBJECT VEHICLES OUT OF 13,836 TOTAL SUBJECT VEHICLES.ALSO, ANALYSES OF WARRANTY CLAIMS INDICATE AN INCREASING FAILURE TREND OVER TIME.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-005) TO FURTHER STUDY THE ISSUE.
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