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Just changed the plugs , plug , wires and coil packs made sure everything was plugged back up it tries to start but want any ideas

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  • Cars & Trucks Master
  • 3,351 Answers

I need to know year--make--model?
Did you visually check for spark at the spark plugs? If no spark, did you check primary voltage to coil pack?
Engine cranking did you use a gage and check proper fuel pressure and fuel injector pulse? If your missing everything, check for rpm signal.
Any applicable trouble codes?

Posted on Apr 15, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 48 Answers

SOURCE: 1998 chev lumina 3100 eng.

check the crank sensor

Posted on Jul 16, 2008

  • 130 Answers

SOURCE: p0301 trouble code

The misfire is detected by the misfire monitor as a slight change in engine speed which the PCM calculates back to a particular cylinder. The monitor is active continuously, but associates problems into 3 types. Two of the types are monitored on successive trips. The first trip the monitor detects a misfire it sets a pending code but not the MIL light. If on the second trip the same problem occurs the DTC code is set as current problem and sets the MIL light on. The MIL will stay on untill the DTC is deleted. The remaining type is a most sever case and signals the possibility of cat damage. In this case the misfire monitor identifies the problem and the PCM determines it to be severe and immediately sets the DTC as current and the MIL light to flash at a rate of 1 per second until the condition is no longer present, at which time the MIL stays on steady.

So once the P0301 is set it never turns off, except by code deletion procedure.

I think a lean burn condition could cause a misfire, but probably not from a PCV problem which should affect all cylinders equally. There would likely need to be another problem with that cylinder or intake or ...... .

Posted on May 02, 2009

jaysonemanme
  • 500 Answers

SOURCE: coil pack diagram?

cylinder 1 is on passenger side, coils should be numbered, cylinder 4 is on drivers side

Posted on May 18, 2009

  • 834 Answers

SOURCE: 1992 lumina starts, sputters, then dies. replaced

About the only things that you have not changed that would cause that problem are the fuel pump, the ECM, (Engine Control Module) or if your vehicle has one it could be the ignition module, and here is an image of what the ignition module will look like, and not all applications will use one.


8d5f8d0.jpg

Posted on Jun 10, 2010

  • 34 Answers

SOURCE: 92 LT1 corvette backfires, rough idle, and lurches

check your fuel filter and do an injector flush

Posted on Jul 29, 2010

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Changed spark plugs in nissan tiida now cant get it started


Assuming the spark plugs were gapped correctly it would seem the spark has disappeared.

I am not familiar with the Tilda but I expect it uses a direct fitting coil pack or a coil-on-plug system rather than plug wires that could be incorrectly fitted. Those other systems have to be removed to access the plugs and disturburbing connections and wiring can cause problems.

I suggest you revisit the work and double check the details, physically checking the spark if possible.

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Kia sedona 2003 not firing on #3 cylinder


With the vehicle running remove the plug for the fuel injector for cylinder #3. RPM should drop. If you have access to nous lights plug one into the injector plug and make sure it flashes. If no flash either the wiring is open or grounded or the computer is not commanding it on and off. You should also look at the cylinder compression. Make sure plugs aren't cracked, are correctly gapped, and no carbon tracking.

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#1 and #4 are not firing I changed the coil pack and still no change any ideas


You said you changed the coil pack and the wires but didn't mention the plugs. Try moving one of the plugs to a different cylinder and see if the miss follows it. It could also be the ignition module. (the thing the coil packs mount to.)

Oct 05, 2012 | 1993 Chevrolet Lumina

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How do I change spark plugs and cables on my 05 Nissan sentra 1.8 special edition??and what else do I need besides the plugs ? Please write back at mailto:Marcomerino75@yahoo.com


Hello,
I am carsandcomps from Fixya.com. My name is Brandon. In order to replace your spark plug wires and spark plugs (best to do both) - do one at a time. Start from one side of the engine (ex: drive front/back) depending on your engine position; doesn't really matter, just start at one side.
1. Remove plug wire from plug (make sure new plug is gapped; auto parts dealer can give you this, and sell you a spark plug gap tool for cheap) 2. Follow the spark plug wire (existing one) to it's place on the distributor (if equipped) or coil pack (if equipped). 3. Pull the wire off from the distributor cap (or coil pack if equipped); insert new (gapped) spark plug, and put the new plug wire on.
Do this step for each one, as it ensures each one is placed properly and your engine will run as needed when finished. Also make sure they "click" when pushing them onto the plugs and distributor cap (coil pack) whichever is present.

Please let me know if you need further assistance.
carsandcomps

Aug 20, 2011 | 2005 Nissan Sentra

2 Answers

My truck is missing on the forth and fifth


things that can cause it to miss.
fouled plug (checked)
bad wires(checked)
coil pack(checked)
ignition signal to coil pack( switch old coil pack to a working cylinder to make sure its good and you may find a possible short in the wiring to the coil pack) alternately check the voltage to the wires going to the coils make sure like colors have like voltages. im not too big into ford trucks but thats a good start for most vehicles
possibly injector stuck open and flooding cylinders
timing could be off

Jul 20, 2010 | 1998 Ford Ranger SuperCab

2 Answers

How complicated is it to change spark plugs


Hello
It depends.Some autos need to have the front tire removed to get to the plugs.Or the battery is in the way.

Lets say you have a clear view at the plugs.
1. Tools You need a 3/8 ratchet with an 6 inch extension and a 5/8 or 13/16 socket.
2.A blanket or towell to cover up your fender so you dont scratch the paint.
3.A spark plug gap tool.Plug type and gap should be listed on the engine sticker under the hood.
4.Optional-undo positive cable on battery.
5.Start on first plug.DO ONE AT A TIME.pull 1 plug wire off ,and remove spark plug using your ratchet and socket.Set gap on new plug and install into plug hole.
6 Pull one wire and plug at a time so you do not cross wires and mess up firing order.

May sound like alot but its really easy.

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1 Answer

Car won't start after changing spark plug


make sure the electrical plug is clipped on securely.you may have damaged the coil-pack that you are calling plugs.remove it again and place one of the old plugs in it and see if you get a spark when someone cranks the engine for you.If not replace the coil pack.

May 30, 2009 | 1997 Pontiac Grand Am

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ok since you said you changed the plug and coil pack, start with the injector wire harness and look it over for any shorts or grounds, also make sure the terminals on the no.2 injector connector aren't loose. if you have access to a noid light you can check to make sure the injector is pulsing. check the no.2 plug wire as well. swap it with another wire if you can and see if the miss follows the plug wire. if those fail to solve your problem and the misfire remains on the no.2 cyl, try swapping an injector. if that also fails then you may have a problem with the cyl head.

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rx8 have a history of coil packs going bad internally and grounding out. best way to check if theyre bad is to pull the packs and inspect the back side. if you have discolorationg on the back side your packs are bad or are going to be bad soon. inspect the plugs if they are fouled or burnt replace them along with the coil packs.its a good idea to replace the wires too. and do not use cheap aftermarket parts. this will only cause more problems in the future. use oem or performance parts.

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