Question about 1997 Chevrolet Blazer

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The blazer keeps cuting out almost like a misfire or rough idol

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Vacuum leak somewhere along the line.

Posted on Jul 16, 2009

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Posted on Jan 02, 2017

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2001 Blazer rough idle and misfire cylinder 2 code


misfire codes are most often generated by faulty injectors and not what you have replaced
the misfire can be from blocked injector tip, failing injector wiring/signal and low fuel pressure
move the injector for 2 to another cylinder and see if the code moves as well to the next cylinder ( replace injector)
if not check wiring or ECM for problems

Jan 30, 2016 | 2001 Chevrolet Blazer

1 Answer

HEVROLET BLAZER 2000 MISFIRING


Timing is off,problem with timing chain,also check fluids in ******,plus also if you have a distributer in your vehicle,if it is cracked,moisture getting in and ruining the points,-that is if your vehicle has a distributer! This will make a vehicle run rough as well.
You can have new plugs put in,but if your spark plug wires are cracked or worn,this will also creat misfire and backfiring.

Jan 25, 2012 | 2000 Chevrolet Blazer

1 Answer

Engine light on... the engine gets bad gas mileage and runs very rough at idol... troubleshooting code P0301. Autozone says: misfire, fault sparkplugs, wires, and more... CAN YOU HELP?


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

Oct 12, 2010 | 2004 Dodge Ram 1500

1 Answer

Car runs rough at idol,hard to start after it warms up.


048 Engine Hard to Start or No Start Scan Data for Starting Problems This is how you find problems like your's , viewing scan data , sensor data parameters . What are the fuel trims at ? +- 5 to 10 % . short an long term trims . Do you know what these are ? Are the O2 sensors switch normally ? What's the coolant temp ? Intake air temp . Is the check engine light on or flashing ? Mass air flow sensor data . Misfire codes ?
047 Engine Hard to Start or No Start Scan Data for Ignition
056 Engine Hard to Start or No Start Misfire Scan Data


Sep 12, 2017 | 2005 Chevrolet Malibu

1 Answer

Misfires, runs rough, black smoke-90 blazer


if it's carburated, make sure your butterflies are opening.

Apr 27, 2017 | 1994 Chevrolet S-10 Blazer

1 Answer

97 z-24 rough idol when cold/runs better when warm


The most common problem is a partially clogged injector. They should be cleaned about once a year. Also the coil housing is known for shorting out between cylinders on your engine. The reason that its worse with the AC on is because the AC compressor is adding a load to the engine. You should probably take it to the shop and have it diagnosed soon before the misfire damages the catalytic converter.

Apr 08, 2009 | 1998 Chevrolet Cavalier

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