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zakruti.com » Auto & Vehicles » South Main Auto Repair
Chevrolet Malibu Gas Gauge Does Not Work

Chevrolet Malibu Gas Gauge Does Not Work

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Rating: 4.5; Vote: 2
Come along with Eric O at the SMA shop as he diagnoses and repairs this 2008 Chevy Malibu that has an engine light on with a P0463 Fuel Level Sensor Circuit High Voltage code and the customer also stated that the gas gauge does not work. Bruce: I have a 2004 & 2005 Malibu and the level sensors only seem to last between 80 & 100, 000 miles and always fail after you fill up and after several fill ups they then trip your engine light. I noticed that if I didnt fill the tank fully the sensor seemed to keep working.
Date: 2020-08-05

Comments and reviews: 9


2008 chevy Malibu Classic Pump went in smoooooth after shaving tank and pump. It didn't even pop but is tight.
Imperfect plastic tank molding left clinging plastic around pump hole. I shaved it off and slightly tapered the hole with a sharp knife. I wouldn't use a razor blade because it my slip and cut too much. Fuel pump had sharp edge on the lip where fits in, I shaved it rounded. After thet ZERO problems.
I had to pull the tank twice in 3 days because the bad float sensor mimiked problem of a TSB where GM placed the vent hose (the one Eric had trouble with) too close to the float arm where it would rub and cause the gas guage to drop out ( 400 labor with a special 4. 00 zip tie fix. I modified the opening because I didn't want the trouble I went through the first time like with Erics video. I used silicone grease on the pump gasket, lockring, and gasket seat on the tank. Alll went smooth after that. Video was invaluable. Nothing for this car on removing gas tank except for a Aura? . Had no problem with upper gas line disconnect by grabbing feedline back farther and using Eric's long 45 pliers. Video saved me mega time.
Thanks.

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I too used to be a Chevy guy until I bought a 1986 Camaro in 1986 Had nothing but problems with it. Clutch pin constantly broke. Biggest problem was the car would hold the speed even if you took your foot off the gas. Ultra dangerous. Dealers did nothing to fix the problem and the factory didn't even acknowledge my complaint. I eventually sold the car to a used car dealer. A couple of years later, a friend had the same problem with their Camaro. They eventually found out it was the mass air censor. Pour hell for a 35 part.
BTW: Just changed out the fuel pump in my 2001 Mazda Tribute. Took 20 min.

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The sending unit from my 30 junkyard fuel pump assembly (pump damaged by puncturing the tank to drain it) didn't work. I disassembled it, bend-adjusted the fingers, tested it, and it's been good so far for 2000+ miles. The fingers on the old unit were worn out. I carefully soldered on a couple tiny 3-strand wires & tested it. Now I have a spare.
Also, as others have suggested, isn't there a trunk access panel for that Malibu's fuel pump assembly? My 2000 LeSabry has one.
Another great video. I always learn from them.

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A friend was supposed to come over but it turns out he ran out of gas. I found out it was the fourth time. The mechanic wanted a lot of money to drop the fuel tank to fix the problem. He came over with a manual. I plugged the meter and found out the level sensor was fine, the gauge was bad. I wired in a new gauge and his problems were solved. 5 years later he told me the new gauge works perfectly. 1986 Oldsmobile Cutlass Siera. Fixed in 2013.
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What do I like most about Doctor Eric? He never makes the same mistake twice, but makes all of them at least once and when he does, he completely owns the mistake, apologizes and uses it as a teaching point to himself and all his viewers. The part in quotes is from a turn-of-the-century U. S. Cavalry field officers efficiency rating manual (a how to book) as an illustration of how to describe a new junior grade officer's job performance.
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yeah I had to drop the front gas tank, because the pump failed ( fuel filter was packed) and burned up the pump, I had to lower the gas tank when it was 3/4 full, I live in the sticks and this was my 95 F-150 with almost 250, 000 miles on it, so now I change the filter every year, same deal with my jeep.
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Excellent video. Trained mechanic in a garage takes 1 hr in edited video.
This will help with my daughter's 2006 which has the same issue.
I have a year before my granddaughter starts driving & wondering if that will be enough time for me to do this in a driveway.

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I'm glad I have an 03 2500HD. I had to replace the fuel pump on it a few years ago. Rather than dropping the tank, I loosened the passenger side box halfway out, Then removed all the drivers side bolts out. I tilted the bad and had easy access to the pump.
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Maybe you should start sending this videos to Chevorlet so they can understand their poor engineering. It is my understanding that most if not all cars designed at GM are not designed by car people. Just people with degrees in engineering looking for a job.
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