Login  |  Register
Nissanhelp.com - All About Nissan
All Models, All Years 2017 Armada 2016 Altima Sedan 2016 Frontier 2016 JUKE 2016 LEAF 2016 Maxima 2016 Murano 2016 NV 2016 Rogue 2016 Sentra 2016 Titan XD 2016 Versa Note 2016 Versa Sedan 2016 Z Concept Models
MyNissan Do-It-Yourself Maintenance Owners Manuals Recalls/Campaigns Service Bulletins Service Manuals Tech Challenge Game Nissan OBDII Codes Glossary & Acronyms Cost Estimator More...
Member's Ride Photos Stock Photo Gallery
Classifieds - For Sale Classifieds - Wanted To Buy Classifieds - Mechanic Wanted Classifieds - Auto Services Search Auto Parts
Register FAQ Social Groups Mark Forums Read
Forums > > 97 Sentra, Won't Start, Flooding, Spark OK
Forgot Password? Join Us!

Sentra Nissan Sentra Discussion Forum

User Tag List

Thread Tools Display Modes
Old 10-18-2008, 08:23 AM
Scuba-4fun's Avatar
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Default 97 Sentra, Won't Start, Flooding, Spark OK


My Daughter has a 97 Sentra 4 cyl. She parked it last night, and in the morning said "Dad, my car won't start".

I looked at it, and am quite handy ...

It has great Spark, and I put in new plugs.

The cylinders were very wet with fuel, even after parking over night, and making sure the flooding was history.

After just 15 seconds of cranking, it smells of flooding, and the pistons will have fuel on the tops of them, as it is getting WAY too much fuel.

Could it be the pressure reulator, or the cooling sensor? How can I test them?

Thanks so very much!
Kind regards,
Reply With Quote
Old 10-18-2008, 10:49 AM
NissanTech's Avatar
NissanTech NissanTech is offline
Super Moderator
2004 Xterra
Join Date: Jun 2005
Location: California
Age: 46
Posts: 12,457
Thanks: 463
Thanked 570 Times in 510 Posts
Mentioned: 2 Post(s)
Tagged: 1 Thread(s)

Could it be the pressure regulator, or the cooling sensor? How can I test them?
The fuel pressure regulator will not cause flooding, since the injector has to open to inject the fuel. Usually the flooding is more related to leaking injector, since the spark is OK.
CarZone Auto Repair - Nissan Service Center - Van Nuys CA

Nissan OBD-II Trouble Codes

Show your support to our forums and get unlimited access to the knowledge base files: Subscribe
Reply With Quote
Old 10-18-2008, 11:30 AM
Scuba-4fun's Avatar
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)

Interesting, but when I looked into the cylinders, all four had flooded out badly; I could see fuel laying on top of the pistons. How likely is it that all four injectors would go bad overnight?

Any other ideas? Is it possible to test the injectors, or do you just replace them all?

Thanks so much.
Reply With Quote
Old 10-19-2008, 07:09 AM
tech22's Avatar
tech22 tech22 is offline
Master Enthusiast
2005 Frontier Crew Cab Frontier Crew Cab
05 nissan frontier
Join Date: Jan 2008
Location: alliance,ohio
Age: 64
Posts: 2,049
Thanks: 0
Thanked 13 Times in 12 Posts
Mentioned: 0 Post(s)
Tagged: 1 Thread(s)

This problem was most likely caused be very short trips and not allowing the engine to run hot enought to exspand the rings.This was a very common problem with the old sentras and altimas with alot of milage on them and it coused the cylinders to wash out.Check to see if you have compression in each cylinder. If not add a couple of drops of oil to help seal the rings. To get it started if you have a air hose just blow out the cylinders, if not pull the fuse to the fuel pump and crank the engine over.Leave the plugs in. After several attemps insert the fuse to see if you can hear the engine trying to start. Keep turning the engine over at the same time pull and insert the fuel pump fuse.You should get it started. Once running give the old girl a good running for atleast 20 min.

Last edited by tech22; 10-19-2008 at 07:13 AM.
Reply With Quote
Old 03-14-2009, 07:44 PM
mviator's Avatar
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Default Thank you

The technique of taking out the fuel pump fuse, cranking the engine, and the putting the fuse in and out while cranking the engine worked! My car started, it took several minutes of doing this, and has been running fine since then. Just like you said it was caused by a very short trip(moving my parked car from in front of my house to the garage). Thank you very much for the advice. You saved me hundreds of dollars!
Reply With Quote
Old 03-19-2009, 08:23 PM
nissan master tech's Avatar
nissan master tech nissan master tech is offline
Tech Enthusiast
2001 Maxima
1998 Pathfinder
2001 maxima 20th aninvers
Join Date: Oct 2006
Location: Mountain house. Ca
Posts: 278
Thanks: 1
Thanked 14 Times in 13 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)

alot of the fuel fouling is caused by the base idle being out of adjustment ...9 out 10 sentras that i have worked on in the past have had a base idle of 300-400rpms
Reply With Quote


fuel flooding

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

All times are GMT -8. The time now is 05:40 PM.

Privacy Statement - Advertise with Us - Terms of Use - Copyright 1999-2017 Nissanhelp.com
AutoCodes.com - Engine-Codes.com - HelpForCars.net - Infinitihelp.com - Nissanhelp.com
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2017, vBulletin Solutions Inc.
Search Engine Optimisation provided by DragonByte SEO v2.0.0 Beta 2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
User Alert System provided by Advanced User Tagging (Lite) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.