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5.4

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
16,915 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2008 Chevrolet Silverado 2500 fuel system problems

fuel system problem

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2008 Chevrolet Silverado 2500 Owner Comments

problem #4

Jun 302015

Silverado 2500 4WD 8-cyl Diesel

  • miles

A D V E R T I S E M E N T S

2008 Chevrolet Silverado. Consumer writes in regards to rubber portion of the fuel supply line kinks and reduces engine the fuel supply to the engine which causes the computer to reduce the power of the engine. The consumer stated while towing a fifth wheel rv and going up a mountain, the engine went into limp mode, which reduced the engine power. The consumer went from 45 mph to 30 mph almost instantly. The fuel line was replaced.

- Owensville, MO, USA

problem #3

Nov 212013

Silverado 2500 4WD 8-cyl Diesel

  • 61,500 miles
I have replaced transmission cooler lines twice (2 times), since purchasing this truck with 59K miles on it. Both times with ac delco parts. Both times the transmission cooler lines leaked, not an installation problem. 11/21/13- I first noticed it when driving at 25 mph picking up my kids from school, and I had transmission fluid spraying out from underneath my truck, causing it to smoke/smolder on my exhaust pipe. (transmission fluid is flammable). The crimp has separated from the hose. This is the first time I replaced with genuine GM parts. 1/16-14- 2nd time was during the winter when the truck was warming up in the drive way and yet again the crimp was causing a leak, which dumped about a gallon of fluid on my driveway. (again transmission fluid is flammable) I replaced the lines one more time and I'm about fed up with the lack of help GM is giving. The current set of cooler lines on the truck are just now starting to drip so its only a matter of time before they give out again. The truck has very low miles and I meticulously maintained, this is a known GM problem on more than 1 model of vehicle and I am unsure why GM will not extend a warranty to these failed parts. My local GM service dept. Has refused to help me in any way, even though I have bought GM part every time. When will GM face the facts before one of these catches fire and someone dies"??"

- West Richland , WA, USA

problem #2

Jan 262009

Silverado 2500

  • 5,560 miles
During the winter here in northern Ohio I have been experiencing a reduced power mode in my Chevy diesel powered truck. It has happened repeatedly, almost daily, and on Friday, Mar 20th, while driving on the freeway the truck unexpectedly went into this reduced power mode twice and dropped from 65 mph to less than 40 mph, almost causing a crash because of the sudden deceleration in one instance. I have been to the dealership twice now over this issue, in both cases they said it was my aftermarket air intake product and it's supposed fouling of a key engine sensor, the maf sensor. They blamed oil from the air filter fouling the sensor, and yet the air filter was there and there was no sign of oil seepage or fouling of the sensor. Since then I have, at my expense, replaced the air intake system back to factory and the maf sensor, and all that was before Friday when I almost got hit by a semitruck. I have researched the internet, consulted with two aftermarket air intake manufacturers and have determined that this issue is not what has been blamed to date but something else faulty on my truck. Either in the wiring harness affecting sensor output or a different sensor that works in conjunction with the one sensor that the dtc says is at fault. There has been issued tsb's on this engine family relating to my issue, GMC is aware that there exists an issue, and yet I have to pay out of pocket for repairs and parts and labor for something that should have been resolved the first time under warranty. The dtc is P0102, maf sensor low input, the sensor I replaced looks identical to the one I put in, no signs of fouling. I even at one point purchased a maf sensor cleaner made by crc, used it according to directions and still got the dtc, the reduced power mode and a check engine light. The truck will resume normal operating after 15 to 20 minutes, but then will fault out again soon after or on the next restart. No issue last winter, even w/ the aftermarket air system.

- Lakewood, OH, USA

problem #1

Apr 242008

Silverado 2500 Diesel

  • 600 miles
I have a 2008 Chevrolet Silverado diesel. I have incidents of burning smoke filling the cab. I took it to the dealer and they said this was a normal function of the emissions system. I contacted GM and they said the same thing and that I should learn to live with it. This happens with no warning it is distracting and disturbing when driving.

- Litchfield, OH, USA

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