1.8s starting problems - Page 3 - Nissan Sentra Forum - B15, B16 and B17 Sentra Forums
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post #31 of 38 Old 02-16-2012, 06:53 PM
TXDavidJ
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Quote:
Originally Posted by i68k View Post
priming your fuel is something like this:
1-put keyON, wait for dinging to stop
2-put keySTART for 2-3 seconds, listen for fuel pump buzzing
3-while keySTART, press the clutch pedal to start the motor

there is no need to press the accel pedal when starting. also if you have any ses codes, they would be greatly appreciated
I will try that. Thanks. Check back for my response.

Quote:
Originally Posted by blk sentra View Post
hmm im having the same issue on my 02. im guessing he hasnt had that problem since he has posted. a used ECM is going for 200. i just want to make sure this is causing the problem
I'm hoping that's the fix too.

Also, for my 1.8, what is the strongest motor can I swap out that would bolt right in place and use existing transmission? It's a manual.
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post #32 of 38 Old 03-21-2012, 08:13 AM
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still question the TSB

Last year when I had this problem I purchased a used (28K) fuel pump and it worked fine until recently (it now has 51K) on it. Priming is not always working at this point. Also it seems to happen when the car, not the engine, is hot like in the summer.
So I believe that the problem is the sending unit and this time I will buy a new one but one thing still bothers me. If the fuel leaks back down into the tank then why does it work fine in the morning or when it has been sitting for a long time. Seems like it should still have the cranking problem like it does when it is hot.
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post #33 of 38 Old 03-27-2012, 08:07 AM
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I had this problem. I've had my fuel pump replaced 3 times under warranty, lasting about 8k miles each time. Each replacement has a year warranty and now I'm out of that, but it has not failed yet.
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post #34 of 38 Old 03-27-2012, 08:29 AM
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the last fuel issue fix i remember, was to add a check valve to the fuel line.
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post #35 of 38 Old 03-28-2012, 10:56 AM
missing link
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so my question is that if the fuel leaks back into the tank why does it start fine in the morning
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post #36 of 38 Old 04-12-2012, 05:24 PM
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i have been following this problem forever (it seems). since my 02 started acting up w/the long crank/no start condition, right around 80,000 miles. i went thru the walbro process, AND IT WORKED, for 6 months to the day. so, i bench tested the old (stock) pump, and it worked, too. (i suspected it was only working "sometimes" at the start of this nightmare). now, i have the stock pump BACK in the car. when i turn the key, i can hear it PUMPING. here's the funny part-there is NO FUEL PRESSURE, and not even a dribble of gas coming from the fuel line !! i guess my next step is put in a check-valve,,,can someone who has done this provide a little guidance ?? do i need a certain type ??(due to gas, and maybe, pressure)?? is this an autozone/advance/o'reilly part ?? if you could direct me to some help, it would be much appreciated !!
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post #37 of 38 Old 04-12-2012, 06:09 PM
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when you install a walbro, you have to modify the canister. reverting back to the stock pump using the same canister will fail as the opening is now too big and may leak!

you'll want to use a high pressure in-line fuel check valve, yes for gasonline

here's a write-up
http://www.b15u.com/sentra-specific-...out-%2420.html
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post #38 of 38 Old 02-08-2015, 05:25 PM
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Quote:
Originally Posted by missing link View Post
so my question is that if the fuel leaks back into the tank why does it start fine in the morning
It's my understanding that it's because it didn't experience a warmer state than it was left in when the engine was last cut.
Meaning, if you park it in the evening. Warm engine, rapidly cooling surrounding weather and engine, the pressure doesn't build in the lines, forcing the fuel back out.

And the reverse on hot days. You park your car in the sun, environmental temps rise, and force it to unprime.

So for my car, a colder day that when I let it will result in it starting fine, and a warmer one, (or at least a changeable one), will mean a rocky start.. Most of the time.
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