Question about Chevrolet Impala
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Posted on Jan 02, 2017
Cylinder #1 Misfire.
What experience you have, and how you approach this, is up to you.
Plugs don't fail
You don't throw wires at these things
You Diagnose the cause and repair.
If you got COP Ign Coils --go there for #1
Posted on Oct 13, 2010
SOURCE: Misfire code P0301 2000 Taurus
Chances are when making your hose and tstat repair, you probably bumped a vacuum line enough to either create a tiny crack or knock off a line. First, you can just check all of the vacuum lines that are near where you worked and then all of them using the emission and vacuum diagram/sticker located either on the underside of the hood or above the radiator. The vacuum lines all originate from the upper intake manifold, which is the big multi-tube looking large thing on top of the engine. Unfortunately, if the leak is a small crack or slightly loose connection, they can be hard to find. If no luck, try listening to the engine with it running for a hissing/sucking.sound. If you have long hair be careful. Still no luck, if you have carb or similar cleaner, maybe WD40, or starting fluid, spray it carefully and precisely around the engine listening for the engine sound to noticeably change. That will be at the point where you have a vac leak that will need fixing. An alternative method that I like is to take a small diameter hose around 3 foot long (a short piece of garden hose, heater hose, fish tank hose, etc.) and use it like a stethoscope to listen around to pinpoint a hard to hear and pinpoint leak.
Posted on Mar 26, 2009
Sounds like a bad fuel injector. Shop would need to run a contribution test to confirm. I must say, good detective work, good luck.
Posted on Apr 29, 2009
I would replace number 6 injector or have it reconditioned.There is dirt in the nozzle of the injector that causes this problem.No injector cleaner will clean dirt rust from the fuel tank, if that has entered them.
Posted on Jan 12, 2011
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