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Indica 1.4 not firing cylinder number 3. What's e fault wen it's idle they is check engine light but wen Its moving it goes off

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Need to know if the vehicle has an ECU which should record any fault - a simple test would check spark plug and quality of spark by earthing the plug to the engine - if its ignition related (ht lead) there will be no spark without and with spark plug ==== HT leads can go high resistance so may not work at idle but improve with increased engine speed. So do the simple test using insulated tools pliers/screwdrivers

Posted on May 20, 2017

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Posted on Jan 02, 2017

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SOURCE: keeps mis-firing on cylinder #3

first, check the spark plug and wire going to the number 3 cylinder on the engine( # 3 cyl. is the one by the firewall, on the driver side of vehicle).If plug looks ok, make sure you get good spark at the end of the wire where it hooks up to the spark plug. If no spark, check the wire for cracks, breakache , etc. Make sure wire is in good conditions. If still no spark at the # 3 cylinder wire, check the ignition coil. Do, by disconnecting wire at ignition coil and with car running place a screwdriver at ignition coil and make sure there is good spark. If no spark comes out, replace ignition coil. If problem still continiues after making sure plug, wire and ignition coil are ok, check cyl. compression and fuel injector for proper fuel delivery. Simply, by replacing the plugs and wires may solve your complaint but you still need to check the car to be certain you don't waste your money by guessing and replacing unneeded parts.

Posted on Aug 08, 2008

  • 12 Answers

SOURCE: Check engine light comes on temporarily - engine chuggs at idle

Before changing you pcm try cleaning your egr valve. remove the valve and see if its stuck in the open position if so use a small pick to clean around the spring.

Posted on Mar 12, 2009

  • 1 Answer

SOURCE: miss fire on cylinder 1 and 2 coils replaced

have u put a new set off leads on it as mite be brakeing down under pressure

Posted on Jun 25, 2009

Mustgo
  • 2359 Answers

SOURCE: MIL indicates cylinder misfire on 1, 3, and 5

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Posted on Dec 19, 2009

  • 15 Answers

SOURCE: check engine light flashing runs rough not firing on all cylinder

take of the fuel filter and blow it out. i had the same problem with a 2008 ford f150 5.4 v8.

Posted on Apr 19, 2010

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3.1L (VIN M) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System



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81eff27.jpg

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Sign up free at link http://ww.hmaservice.com/
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