Question about 2003 Nissan Sentra

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I have a 2003 nissan sentra 1.8 it has a miss i have changed the plugs #3 ign coil and the fuel injector still has a miss could not find any vacume leaks dont know what else to do my wife is a home health nurse and needs her car can any one please help thanks

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Someone would need to verify the plug is firing and the injector is opening. Then verify the cylinder has compression.

Posted on Dec 08, 2012

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We bought a 1992 pontiac bonneville. It doesn't start. Changed the spark plugs, new battery. Changed the IGN module and IGN coil. still won't start.


What's missing ? Does it have spark ? Pull a plug wire off the vehicle an see if it has spark ! Buy a fuel pressure gauge an hook it to the schrader valve on the fuel injector rail . Is there fuel pressure ? Does the engine have compression ? No Start Diagnostic Basics EricTheCarGuy

Apr 30, 2017 | Pontiac Bonneville Cars & Trucks

1 Answer

Why does it lack spark?


Part 1 -How to Test the Ignition COP Coils (Nissan 1.8L)

troubleshootmyvehicle.com > Nissan > 1.8L
Feb 12, 2013 - What Tools Do I Need to Test the COP Coils. ... coils (most commonly known as the COP ignition coils), on your 1.8L Nissan Sentra is pretty easy. ... When one COP ignition coil fails... that cylinder goes 'dead' due to a lack of Spark and is said to be misfiring. .... 2000, 2001, 2002, 2003, 2004, 2005, 2006 ...

Part 2 -How to Troubleshoot a No Start (Nissan 1.8L)

troubleshootmyvehicle.com > Nissan > 1.8L
Jan 17, 2013 - Checking for Spark With a Spark Tester. ... Your 1.8L Nissan will either have a distributor-type ignition system or the more modern COP ... A BAD fuel pumpwill cause your 1.8L Nissan Sentra to Crank but Not Start... since the ... Still, the other method that I've used to test for a lack of fuel... is spraying starting ...

2002 Sentra 1.8, no spark, code 0505... - Nissan Sentra Forum ...

www.b15sentra.net > ... > Technical Discussion

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I have never had a problem with the car before (02 Sentra 1.8/auto), so I had no need to post ... Originally Posted by Black B15 ... Join Date: Jun 2005 ... Can you see if the coilpacks are getting spark & work back from there? how many spark plugs do i need ? - Nissan Sentra ...
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Jan 01, 2016 | 2005 Nissan Sentra 1.8

2 Answers

I have a miss in 3rd cylinder.


suggest you check the distributor cap & especially the spark plug wire of the 3rd cylinder

Sep 22, 2015 | 1993 Nissan Sentra 4 Door

1 Answer

On my 1993 nissan sentra would a bad fuel regulator make my 1.6 miss on the number 1and 2 cylinders miss


Doubtful, but possible if fuel pressure is WAY low. The regulator controls fuel pressure for all the cylinders. You most likely have a different problem.

I would check compression in cylinders 1 & 2, spark plugs, cap and rotor, ignition coil output (spark), firing order, plug wires, fuel pressure, injectors (to see if they are actuating and not plugged up) in that order.

Feb 09, 2015 | Nissan Cars & Trucks

1 Answer

Misfiring


possible coil or injector try to isolate the clylider and switch the coils and see if it changes cylinders also it is possible that it could have a blown head gskt if that is the case you would need to remove plugs and pressure test the system and look into the cylinders for evidence of antifreeze in them most of the time on those it would be cyl 3

Jan 25, 2014 | 2005 Nissan Sentra

1 Answer

96 nissan sentra cylinder 1 misfire


DETERMIN IF YOUR PROBLEM IS ONE OF THE FOLLOWING BEFORE CHANGING ANYTHING .1.ELECTRICAL
2.FUEL RELATED OR 3. MECHANICAL.

PERORM A COMPRESSION CHECK TO ENSURE THE COMPRESSION IS GOOD .IF THE COMPRESSION IS IN ALL CYLINDERS PROCEED TO CHECK FUEL SYSTEM .REMOVE THE FUEL INJECTORS AND EXAMIN THE INJECTOR TIP FOR CARBON DEPSITS .CHECH FUEL SPRAY PATTERN ,ENSURE INJECTORS ARE ACTUALLY SPRAYING . THEN PROCEED TO EXAMIN THA SPARK PLUGS .LOOK FOR DISCOLOURATION OF SPARK PLUG ELECTRODES OR CARBON DEPOSITS. IN DIAGNOSING PROBLEMS ONE HAS TO SYSTEMATIC OR ELSE YOU WOULD BE WASTING MONEY AND TIME PURCHASING AND REPLACING COMPONENTS WHICH ARE NOT DEFECTIVE . GOOD LUCK .

Nov 26, 2012 | 1996 Nissan Sentra

4 Answers

I have a 1996 nissan sunny fuel injected ... i have changed the plugs, injector rail, distributer, throttle body, and my engine is still misfiring can some one advise me please..


inspect the wiring for loose connections or bad wiring.

try adjusting first the distributor by turning it. It should adjust the timing. Other than that inspect the timing on the timing chain or the chain may have developed a slack.

Sep 02, 2011 | 1996 Nissan Sentra

2 Answers

I was accelerating the other day and all of a sudden my car starts bucking and losing acceleration. After about a minute it dies completlely. I wait a few minutes and try to start it and it starts barely...


A few Ideas from the 1995 Nissan Sentra maintenance manual - Troubleshooting section

Priority Action Part Type Cause
1 Inspect Battery Battery Discharged or Faulty.
2 Inspect Battery Cable Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
3 Inspect Distributor Cap Distributor Cap Cracked or Burned.
5 Inspect Coil - Ignition Faulty Ignition Coil.
6 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter Starter Motor Faulty.
9 Inspect Fuel Pump Low Fuel Pressure.
10 Inspect Solenoid Switch Faulty Starter Solenoid Switch.
11 Inspect Relay - Fuel Pumpat Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive Faulty Starter Drive.
15 Inspect Fuel Injector Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer Clogged or Dirty Fuel Pump Strainerat.
17 Inspect Engine Control Computer Incorrect Operating Information Being Delivered and Sent From The EEC.
18 Inspect Fuel Tank Fuel Tank Empty.
19 Inspect Carburetor Carburetor Flooded or Faulty Choke.
20 Inspect Distributor Worn, Loose, or Incorrectly Installed Distributor.

Mar 26, 2011 | 1995 Nissan Sentra

1 Answer

Troubleshooting code po301


The MAF will not cause a miss on just one cylinder, here are the things that will, low cylinder compression, defective fuel injector, intake manifold vacuum leak at the gasket, and of course ignition system problems.

Dec 13, 2008 | 2003 Nissan Sentra

1 Answer

I have a 2001 Nissan Sentra 1.8se and I am having problems getting my car to start. When I do it will not accelerate properly. It misses really bad. I have replaced the computer, the mass airflow sensor,...


Check the fuel filter. Do keep in mind that the fuel system is 'always' under pressure!!! Also check EGR. Your fuel pump must be working or it wouldn't start at all. The C02 sensor could be part of the prob. A real bugga to change! But should be changed every year. Do start with the filter, then move on. You have spent enough already! Frankster016

Nov 30, 2008 | 2001 Nissan Sentra

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