Inspecting spark plugs. Discoloration means different things.
Cracked spark plug will cause misfire and an engine that idles rough.

This is a plug with 75,000 miles on it that is
firing normally. No large deposits, not
discolored . Reddish or green deposits
indicate burning coolant. Black, sooty
deposits indicate burning oil.

Also check for hairline cracks in the
porcelain insulator (1).
Platinum / Iridium tip spark plug inspection
Some popular car repair articles
Car maintenance - A list of some common auto maintenance checks that you can do
yourself. Check fluid levels. Adjust tire pressures. Drive belt inspection, etc. Pictures
videos, and more.
Automotive questions -  Browse lists of some previously answered questions. Choose
your vehicle by Make and Model and read articles our expert mechanics have answered.
Check engine light - Also known as the SERVICE ENGINE SOON or SES light. This
indicates a malfunction in the engine control and emissions systems of your car. Step by
step instructions on how to do a simple scan to check for
computer trouble codes. These
codes give an indication as to what system is having a problem.
want location of fuel filter on 2002 buick v-6 3800 model
That depends on what model Buick you are talking
about. It is either on the right or left side of the fuel tank.

Inspecting Spark Plugs for Cracks And Wear

More Auto Repair Answers, Questions And Help
                                      Electrical Testing                    Belt Diagrams              Mustang Engine Overhaul              All about Tires
Vehicle electrical testing        Serpentine belt diagrams        Ford Mustang 5.0 engine overhaul high performance        Tire number descriptions

Engine Operation
2.2L  3100 / 3400 
3.5L  3800 
4200  4.3L Vortec

Visit Us On Social
Facebook  Twitter  Youtube
© Copyright 2006 . JRKAZ,Inc.
Contact Us
Terms And Privacy Policy