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2002 Chevy Blazer LS lacks power and bogs down with no pick-up at acceleration. What could be the problem?
Wiki User
∙ 10y ago
These are absolutely Notorious for having a bad Distributor cap on The 4.3 engine. But because of the way its built you cant see the problem or test it without an old stylree "Ignition Scope"
The Rotor can also cause your symptoms.
There is an 90% chance that Cap and Rotor will fix it.
Do a fuel pressure test and replace the fuel filter while you're at it.
If the cap, rotor and fuel pressure check okay, the catalytic converter may be semi-plugged/damaged. The mass air flow sensor should be tested also.
If the check engine light is illuminated, investigate the code(s).
Wiki User
∙ 10y ago
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