The vehicle dies in multiple situations. It has died on the interstate while traveling at 75 mph. It has also died while idling at a stop light The vehicle has also died at 35 mph in city driving.
SOURCE: 97 gmc sierra died wont start
sound like you are not getting the right fuel pressure you need to check the fuel pressure hit the tank in the center with a hammer and se if it runs if it does you need a pump
SOURCE: Loss of power, transmission not shifting
That orange signal is telling you that your air filter is almost clogged up and the engine is not getting enough air to run porperly. By all means change your air filter. Depending on dust conditions that you drive in, this should be changed every 18 months or so.
SOURCE: Truck losing power and service engine soon light on
Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.
SOURCE: wont go over 35 mph
had that problem with a ford LTD years ago. Turned out to be the muffler. The baffles inside were loose and would block the exhaust flow as it increased with higher speed. Hope that helps.
SOURCE: 2002 gmc sierra, 3500, 8.1, flashing mil, dies, starts rough idle
First buy the alldata subscription for your unit and read the engine power management system, once you understand this then you will see you don't need a scanner, you can code out if it's a engine problem then read the codes itself with a paper clip. Then once you get the codes post them here to get a better answer, the more information you can provide the better the answer you will get. A digital test meter will be better than a scanner. Without understanding the engine management system you won't be able to fix it without replacing a lot of parts.
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I had a mid eighties Buick that exhibited the same symptom. The problem was never resolved and I gave up. But, the electronics were not as smart as today's and I would think a code has been set?? My guess now, as it was with the Buick, is that that some condition shut down the fuel pump but I could not
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