Question about 1986 Chevrolet S-10 Blazer
Extremely hard to start, have replaces air filter, plugs, wires, cap and rotor, idle control sensor, coil, new gas, Throttle positioning sensor, Carburetor gets fuel, Catalytic Converter not plugged.. What could be the next step?
Run pressure test on your fuel injectors. Fuel pump might not be suppling enough fuel line pressure.
Posted on Apr 13, 2014
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Posted on Jan 02, 2017
This problem can be caused by defective spark plug wires that are cross firing due to voltage leaking to a nearby plug wire as well as a flat camshaft lobe.
Posted on Jan 16, 2011
SOURCE: when i give it full
When you state you have a "Cap & Rotor", indicating an engine, which may possibly be OLDER than the 1994 S-10 it is in. A Crank positioning sensor, on a full throttle body, (or do you mean carburetor/combo/injector system) Not the true name, but, in appearance, looks like a carb. It has a "pulsating" injector within the opening of the butterfly/mouth of the throttling body. When you have an ECM, or Computer Command timing, with a crank sensor, you will have 2 coil packs for 4 cylinder, a 3 coil pack for a V-6. They will be just under the electric cooling fan for the radiator. If you are driving a "bought used" vehicle, and the Cap, Rotor, & wires are only accessed thru the RH wheel well, it is a "Distributor System" & an OLDER engine. The Back fire is being caused by a "jumped" timing belt, or HOPEFULLY, a crossed spark plug wire.
Posted on Aug 31, 2011
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