gmc envoy wont start
I have a 2005 gmc envoy that was having some
ideling issues I changed the number one coil pack
and spark plug and cleaned the throttle body and
changed the oil after so while driving it probably
drove better that it had when we purchased the
vehicle as we bought it used but I was seeing a
fluctuating in the oil pressure up to 80 down to 20
and 14 short miles later I was on the side of the
road all dash light s work fine when you turn the
key it clickes but the motor does nothing where do
I go from here
Ok, I am not sure on the year, possibly 2005 but GM put a fine screen type basket under the oil pressure sending unit that gets gummed up. Just have to pull out the oil pressure sending unit and fish that screen out and clean it good. You'd want to replace the oil sending unit since it would be out. Clicking on the starter is either bad connections, low or bad battery, or in the charging system not charging the battery.
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