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99 Chevy Malibu twin cam 2.4 engine runs rough while idling. I replace spark plugs, ignition coil

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  • Cars & Trucks Master
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Seldom plugs and coil
more often bad injectors , low fuel pressure or vacuum leaks

Posted on May 03, 2017

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Posted on Jan 02, 2017

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SOURCE: 99 Chevy cavalier 2.4L

http://realfixesrealfast.com/realfixesrealfast.com/Diagnostics/Pages/Stall_at_idle.html

This may be your problem

Posted on Jul 19, 2011

SOURCE: what causes 2000 taurus engine rough idle but no codes

I had a head gasket going when I have a rough idle. Just weeping coolant past the number 1 cylinder. When I pulled the head the piston was all shiny and steam cleaned. $500 dollars all good now.

Posted on Nov 04, 2013

  • 44567 Answers

SOURCE: Rough idle on 97 Pontiac sunfire with no check

check for vacuum leaks at the pcv valve , vent controls and the brake booster.

Posted on Jun 29, 2014

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99 Chevy Malibu twin cam 2.4 engine. Driving 65mph in cruise control, I notice losing power, misfiring, check engine light flashing. Running rough and now my battery dead


check and test battery and alternatot --if good inspect cables and connections when battery fails or alternator doesnt charge the car will shut down no power to electronics

Apr 18, 2017 | Cars & Trucks

1 Answer

My 1996 Buick Skylark Custom 2.4L Twin Cam engine shakes and rides rough what could be the problem. New Bwd sensor,coil pack and module,and Spark plugs.


Jodesha, Should have scanned for diagnostic codes, have engine and transmission mounts checked. Check for vacuum leaks and or injectors could be a problem.
Check the attached links,instruction and guides on diagnosing rough running engine. Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

How to Fix Rough Engine Idle Problems at YouFixCars com

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

The Lost Art of Diagnosing Engine Problems

Rough Running Engines Car Repair Information From MasterTechMark

Apr 07, 2016 | Buick Cars & Trucks

1 Answer

99 mpv missfires,splutters.wont idle & has no power. when MAF is disconnected runs a lot better. I replaced the Maf but still does the same.The problem started suddenly,drove to work ok but when i


replace fuel filter, clean fuel injectors.could have bad fuel, do a code scan before buying new parts.faulty egr valve or faulty engine coolant temperature sensor cause engine run poorly.replace spark plugs and wires because if spark plug wires is bad or spark plug and ignition coil is bad that will cause rough idling misfiring and stalling you have dead cylinder not firing properly..

Oct 01, 2012 | Cars & Trucks

2 Answers

Where on spark plugs and wires on 99 - 4 cyl. Malibu w/ overhead cams


pull the cover that has the 4 bolts in it on top of the engine. that is the coil/ignition module housing. the plugs are under it along with plug boots that you may want to replace.

Jul 25, 2011 | 1999 Chevrolet Malibu

1 Answer

How do I test and change a bad ignition coil in a 99 Maxima?


Im having the same issue w/ my 99 maxima. had the problem 2 months ago, they replaced coil, changed plugs, told me that I would still get knock sensor code but dont worry about it. Now the rough idling and check light flashing is happening again.

Oct 19, 2009 | 1999 Nissan Maxima

2 Answers

Just changed plugs and wires in my 1998 Chevy Malibu V6 3.1. Car now runs very rough and has no pick up at all. What is the proper firing order for this engine?


Firing order on 3.1L engine is 1-2-3-4-5-6. The ignition system is a waste-spark system, which uses 3 coil packs (1-4) (2-5) (3-6). Make sure that the paired cylinders' plug wires go to the same coil pack.

Oct 11, 2009 | 1998 Chevrolet Malibu

1 Answer

Replacing spark plugs on a 2004 chevy malibu


2.2L Engine
  1. Observe the following service precautions:

    Allow the engine to cool before removing the spark plugs. Attempting to remove spark plugs from a hot engine can cause the spark plugs to seize. This can damage the cylinder head threads. Clean the spark plug recess area before removing the spark plug. Failure to do so can result in engine damage due to dirt or foreign material entering the cylinder head, or in contamination of the cylinder head threads. Contaminated threads may prevent proper seating of the new spark plug. Use only the spark plugs specified for use in the vehicle. Do not install spark plugs that are either hotter or colder than those specified for the vehicle. Installing spark plugs of another type can severely damage the engine.
  2. Turn the ignition OFF .
  3. Disconnect the Electronic Ignition (EI) module harness connector.
  4. Remove the spark plugs using a 5 / 8 inch spark plug socket.

To install:

WARNING Do not coat spark plug threads with anti-seize compound. If anti-seize compound is used and spark plugs are over-torqued, damage to the cylinder head threads may result.
  1. Inspect the gap on the new spark plugs, re-gap the plugs as required. The spark plug gap specification is 42 inch. (1.0 mm).
  2. Install the spark plugs and tighten to 15 ft. lbs. (20 Nm).
  3. Apply dielectric compound to the spark plug boots and make sure no corrosion is present.
  4. Install the ignition coil housing to cam cover and attachment bolts.
  5. Tighten the ignition coil housing bolts to 89 inch. lbs. (10 Nm).
  6. Connect the EI module harness connector. Push in until a click is heard and pull back to confirm a positive engagement.

Oct 07, 2009 | 2004 Chevrolet Malibu

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