0
How do you know when the saprk plugs need to be changed on 2002 trailblazer?
Wiki User
∙ 15y ago
recommended at 100,000 miles. mine had 88,000 miles and i changed them but they were in great shape.
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
How do you change the spark plugs on a 2002 Chevy Trailblazer?
How do you change the spark plugs on a 2002 chavy trailblazer
Where are the spak rlugs on a 2002 trailblazer?
Where are the spark plugs on a trailblazer
Your 2002 trailblazer wont run properly after you changed the plugs What is wrong?
If it ran fine before then you have 1 of 2 problems. One, the plugs were not gap to the correct distance as stated in the owners manual. Or two, the plugs may be defective. Easiest to replace them all again :( Buy a good brand such as NGK and avoid autolite brand plugs.
Where are the plugs wires for 2002 trailblazer ls?
There are not any plugs wires. The Inline six uses coil packs over top of each spark plug.
How do you do a tune up for a 2002 Chevy Trailblazer?
Change the spark plugs every 100,000 miles. Follow the service intervals in the manual. www.trailvoy.com All the answers for your Trailblazer from true enthusiasts.
Where are the spark plugs on a 2002 Chevy Trailblazer?
Down the center of the head under the intake box. You have to remove each coil with one 10mm bolt and then the plugs are easily accessed.
2002 trailblazer gets poor mpg?
plugs at around 100,000 miles. blow out or replace the air filter. replace the fuel filter.
What would cause a 2002 Chevy Trailblazer to misfire?
Bad spark plugs, coils are coil, bad injector. Cam are crankshaft sensor
2002 Chevy Trailblazer oxYGen sensor where is it located?
where is the O2 sensor on a 2002 chevy trailblazer
How many lugs does the 2002 Chevy Trailblazer have?
2002 Chevy trailblazer has a 6 lug bolt
What year of trucks can i use for IAT on 2002 trailblazer?
The 2002 truck is the best truck that you can use for IAT on 2002 trailblazer.
What parts are needed to tune up a 2002 Chevy Trailblazer?
The spark plugs are all that are required to be changed. This is at 100,000 miles unless a misfire is detected by the PCM. The coil packs are located directly over the plugs and supply spark. Most times the ignition is flawless and the engine runs smooth. Error codes will be thrown if the engine misfires.
