I want to do my own tune up on my 2008 GMC Envoy. I am looking for and online diagram of how to do the tune up
Go to www.autozone.com an sign up then click on repair info.
SOURCE: 2003 gmc envoy tune up??
The engine has a coil on plug design. You will have to remove the black housing connected to the throttle body, then remove the coils to get the spark plugs out.
SOURCE: Need firing order diagram for 2002 gmc envoy
one, five, three, six, two, four
The plastic intake should have this sequence molded into it somewhere, and even the corresponding cylinder numbers in front of their respective holes. Have fun, and thanks for posting on Fixya.com
SOURCE: need fuse box diagram 2002 gmc envoy
If I remember correctly if you look at the back side of the fuse cover, it should tell you what the fuses are. Also in the owners manual in the index, under fuses, it should give you a diagram of the fuse location for the acc. outlets. Good luck. The fuse should be a 20 or 25A fuse.
SOURCE: my GMC Envoy 2004 .... RPM goes over 10 i
probably a problem with TPS sensor ot electronic pedal sensor
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