Question about 2002 Nissan Sentra

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I have a 2002 nissan sentra and it idles very ruff. i have changed the plugs and the coils which is the only codes that showed. i notice a answer here and it does not have a carbarator.

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Hi! Yes it doesnt have a carburetor. You may have a problem with the MAF (mass air flow) sensor thats why you have rough idle. The MAF has big contribution on engine performance specially on the idling. Have it replaced and it'll be back to normal. Hope this helps and have a good one!

Posted on May 12, 2010

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Why does it lack spark?


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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 ...

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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 ...

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Jan 01, 2016 | 2005 Nissan Sentra 1.8

1 Answer

2002 nissan sentra ser 2.5 code PO300


I had my 2000 Concorde act up after washing the engine.
Water at the spark plugs would let it start, but when the engine got warm the water vaporized and caused the miss. Check around the plugs, wires, and coil/s for moisture.

May 30, 2012 | Nissan Cars & Trucks

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2002 Nissan sentra GXE has a code p0350


call nissan give them the vin number thers a recall on the cam and crank sensors do that first
if the recall has been done and ther are no sensor codes find the missing cyl.move the coils around to see if the mis follows if not check batt volts green/white wire good ground at the black/yellow wire after that you need a lab scope to look at the wave pattern of each coil.ther should be 2-4 volt sawtooth pattern all the coils should look abought the same.

Feb 12, 2012 | 2002 Nissan Sentra

1 Answer

Had bad ignition coil replaced in Nissan Sentra 2001. Error code 300 and 335 were prevalent. After replacement had Camshaft Sensor replaced, still get error code 335. Thinking maybe one more ignition coil...


please have a test performed to confirm the integrity of your head gasket. this era of these cars were prone to failure, causing coolant to leak into the cylinder thus a misfire. it is typically most noticeable on a cold start, and can cause long cranking times, as well as a rough idle when first started. good luck!

Jul 07, 2010 | 2001 Nissan Sentra

1 Answer

2002 Nissan Sentra intermittant stalling no codes


Have a mechanic check it for vacuum leaks!

Good luck and be careful!

Feb 09, 2010 | 2002 Nissan Sentra

2 Answers

I have a 2002 nissan sentra SE-R. when the engine is really hot, it dies in idle, the idle is 600 RPM, i guess the idle is too low. So I have to rev it when im at the stop light or double pedal if i make...


Got the same make/model/year, but haven't had that problem. Does your temperature gauge run at half or above when this happens? If so, start with a cheap fix - new thermostat.

Another thing to consider is that some of the QR25DE engines equipped in the 02 Sentra SERs has an active recall on the crank position sensor. This fault would cause the check engine light to come on and the car would stall unexpectedly. It should start back up but the frequency of this will only increase without repair.

Also, no need to change plug wires, you have coil pack ignition - there is no distributor. If a coil pack is bad, you will have constant misfire and SES light.

Sep 25, 2009 | 2002 Nissan Sentra

1 Answer

How do you install ignition coils in a 2002 Nissan Sentra.


On the Sentra each sparkplug has it's own coil first you have to find out which one isn't working. Most are just held in place by a 8mm bolt so just carefully unplug the wire to the coil then remove the bolt, slowly twist the coil back and forth till it comes loose at the plug then pull it up. This is for the 1.8 liter the 2.5 could have the coils hidden under a cover but is still one coil for each plug.

Jul 15, 2009 | 2002 Nissan Sentra

1 Answer

COLD START ROUGH IDLE


I hate to be the barer of bad news, but may be the head gasket.

My car started with rough idle. Then very hard to start in cold weather. Next started overheating, but no output from heater. Trickling sound from behind dash board. Overflow bottle overflowing.......

I replaced the water pump, radiator cap, thermostat, coolant, fan belts, power flushed the system. Nothing worked. Some research gave me the answer.

The head gasket leak was allowing exhaust gases to enter the cooling system, displacing the coolant. After use, as engine cools, coolant is sucked back into the system and coolant seeps into the cylinder. This gets worse over time.

First thing you'll notice is the rough idle as the spark plug burns off the coolant in the cylinder. (This is especially true at low temperatures.) If it is the head gasket, the other symptoms will follow as time goes by.

May 17, 2009 | 2002 Nissan Sentra

2 Answers

2000 Nissan Sentra rough idle


a rough idle/high idle is indicative of a malfunctioning TPS(throttle position sensor) this is located on the throttle body ,is attached with (2) screws/bolts to the throttle body housing right off the butterfly shaft. it has either 2 wire or 4 wire plug. the replacement part can be purchased at locale auto parts store. I would also agree that a full service and tuneup be done. this will help with performance and will increase the fuel efficiency. please rate this...thanks

Sep 25, 2008 | 2000 Nissan Sentra

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