Question about Chevrolet Blazer
No start changed wires and spark plugs and check fireing order
Does it crank? If yes, do you have fuel pressure? Needs 55-62 psi of pressure.(Blazers eat fuel pumps like candy, and this one is inside the fuel tank) Is the check engine light on? May have a cam or crank sensor fault. Need to be certain before throwing parts at it. The fuel pressure test port is right on top of the intake manifold. There may be a factory security system that's been activated, do you have the key fob?
Posted on Jan 23, 2015
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Posted on Jan 02, 2017
Sounds like you have the firing order right but your off on the #1 on the distributer. Every time you get an explosion coming from the carb its misfiring. Find the #1 on dist and continue with firing order
Posted on May 24, 2009
You may need a intake manifold gasket.If it puts prestone in the cylinders then it will be a ***** to start.You also need to check check the fuel filter.
Posted on Oct 22, 2009
SOURCE: 2006 f150 firing order
For the 4.2L:
(Front of Vehicle)
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Posted on Feb 20, 2010
SOURCE: 1999 chevy blazer not starting
Check the plug wire from the ignition coil to the distributor cap.
If you haven't already, replace the distributor cap and rotor.
The GM Vortec's have issues with moisture getting inside the cap and rotor and causing problems.
Posted on Apr 24, 2012
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To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. 2.2L (VIN 4) EngineFiring Order: 1-3-4-2Distributorless Ignition System 2.3L (VIN D) and 2.4L (VIN T) EnginesFiring Order: 1-3-4-2Distributorless Ignition System
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2.2L (VIN 4) EngineFiring Order: 1-3-4-2Distributorless Ignition System
2.3L (VIN D) and 2.4L (VIN T) EnginesFiring Order: 1-3-4-2Distributorless Ignition System
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