Quote:
Originally posted by sadlerb_98
Also, today the blazer was on empty and it only took 13 gallons to fill up the tank. The specifications table states that I have an 18 gallon tank for the four door.
thanks,
Bobby
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The four doors all came with 18 Gallon fuel tanks.
It could be a lot of things causing the fuel level sensor to read innacuratley, anything from a bad connection at the sender to a stuck level sensor, or the PCM itself could be acting up.
GM techs will usually use a scan tool to see if what the PCM reads, and compare it with the gage on the dash, if they are different then they will go through a troubleshooting procedure for the fuel system.