How many miles does a 1996 GMC Sierra have?

I have a 1996 GMC Sierra 3/4 ton 6.5L diesel, and she has 144,000 miles on her, and has a very rough idle. Lately, she’s having difficulty starting and even after firing up, I have to rev it several times to prevent stalling out.

When does a GMC 6.5L diesel engine stop working?

The fuel system on those engines are very touchy and tend to go out every 100k-150k. Too much kero in the winter and they die and any form of water and they stop working as well. When it gets bad enough, it will usually spit out a code something like “fuel injection pulse width short”.

Is the GMC 6.5L diesel engine reliable?

Now it’s very reliable. I got a 1997 gmc with 115,000 miles on it its diesel and have 8 cylinders with 6.5 liter engine.. the fuel injector pump had been recalled back when we bought it and it was replaced a few times and gave us some problems for a few years after we bought it but has been fine since…..

Can a 6.5 engine go out in the winter?

I had a ’94 with the 6.5 and had the symptoms you are describing twice. Both times it was a warning that my injection pump was on the way out. The fuel system on those engines are very touchy and tend to go out every 100k-150k. Too much kero in the winter and they die and any form of water and they stop working as well.

Is there a problem with my turbo diesel?

Just started doing it one day. just put all new injectors in ….still smoking especially while sitting still.Seems to be loading up on fuel however it runs smoothly. my ’98 turbo diesel smokes horribly.

When was the GMC 261 straight 6 engine made?

It was offered in parallel with the GMC V6 engine in 1960 until 1963, when it was discontinued. The 261 US truck engine had mechanical lifters and was available from 1954 to 1962. The 235 and 261 truck engines were also used by GMC Truck of Canada (GMC truck 6-cylinder engines were also used in Canada).

When did GMC start using straight 6 engines?

Canadian-production GMC trucks used the 216 and 235 Chevrolet straight-six engines as their base light-duty truck powerplant in the late 1940s and early 1950s in Canada, not the United States. The 216 was used from 1947 to 1953, and the 235 was used in 1954 light-duty trucks only.

What kind of engine does a GMC 6.5 liter have?

There are several GM 6.5 liter diesel engine production options. The Turbocharged L56, (VIN “S”) was used in most light duty 3/4 ton (2500) Heavy duty 3/4 ton and 1 ton trucks used the Turbocharged L65 (VIN “F”) engine. The L56 is emissions controlled with EGR and catalytic converters.

When did GM replace the 6.2 diesel engine?

5 Mechanical Chevy/GMC Diesel Injection Pump for GM 6.5L Diesel Engines In 1992 General Motors replaced the 6.2L diesel engine with the 6.5L engine. The engine was designed to be a more powerful version of the 6.2 and met emission standards required for half-ton trucks.

What kind of injection pump does a GMC 6.5 use?

Changes were made by GM to the 6.5 in their light trucks for emissions or reliability improvement. The 1992-1993 model years used a 6.5-specific Stanadyne DB-2 mechanical injection pump. GM replaced the DB-2 with the electronic throttle DS-4 in 1994-2000 vehicles. The DS style pump used a pump mounted driver known as the PMD.

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