Rapid Backfire/misfire - Page 2 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

consouler · 09-22-2009, 12:47 PM

Quote:

Originally Posted by YoungGun

This shit sounds like

BAD DAT DAT DAT DAT DAAAT DAT.

lolololol yea it does

0wn3r · 09-22-2009, 01:00 PM

i had the exact same problem down to the T. go get a bottle of MAF cleaner and spray the sensor and the inside down real well

problem solved

90 DGRZ · 09-22-2009, 03:21 PM

Quote:

Originally Posted by 0wn3r

i had the exact same problem down to the T. go get a bottle of MAF cleaner and spray the sensor and the inside down real well

problem solved

i did that already...

fail at reading...lol

thanks guys, any more?

BrokenWhite240 · 09-22-2009, 06:54 PM

Did you try replacing the maf like I described earlier with one that is known to work perfectly. Most times when a maf is bad maf cleaner doesnt do shit.

GSXRJJordan · 09-22-2009, 06:59 PM

Quote:

Originally Posted by 90 DGRZ

i did that already...

fail at reading...lol

thanks guys, any more?

Wiring Chuck, wiring.

Swap upper harnesses with someone.

0wn3r · 09-22-2009, 08:21 PM

well wtf did you clean it with? did you actually take off and spray the sensors? i'm telling you, I had the SAME EXACT PROBLEM.

steve shadows · 09-22-2009, 09:30 PM

apparently he is not desperate enough yet. haha

the funny thing is 7 out of ten times I fix this type of issue within like 10 minutes of showing up its alwasy something super simple/stupdi

let5l1de · 09-22-2009, 10:16 PM

Quote:

Originally Posted by steve shadows

apparently he is not desperate enough yet. haha

the funny thing is 7 out of ten times I fix this type of issue within like 10 minutes of showing up its alwasy something super simple/stupdi

true enough.

But I am wishing its a broken or collapsed valve spring(s). If it is floating valves, I can build chucks engine and get him the extra power hes always wanted. Not quite M. Essa power but enough for now.

Might as well build the rest of Team Mulsannes engines since everyone is having problems.

Barrow my hoist and bring me your engine... and Codys and Teddys.

1 1/2 weeks left chuck.

~m

steve shadows · 09-22-2009, 11:32 PM

lol nice.

As long as you send him to me for mechanical / boots controller tune up on my dyno you can handle the rest of his mess.

90 DGRZ · 09-23-2009, 12:06 AM

Quote:

Originally Posted by GSXRJJordan

Wiring Chuck, wiring.

Swap upper harnesses with someone.

i swapped coilpack harnesses with my roommate, but nothing. me and gary pulled the entire motor harness earlier today before work to go through it just in case, to rule that out. tmw's another day, we'll see how it goes.

Quote:

Originally Posted by 0wn3r

well wtf did you clean it with? did you actually take off and spray the sensors? i'm telling you, I had the SAME EXACT PROBLEM.

it may be the same symptoms, but it might not be the same problem. i cleaned it with electrical sensor/maf cleaner spray. did you think i just dusted off the top of the maf or something? yes, i actually took it off and sprayed the actual sensors.

Quote:

Originally Posted by steve shadows

apparently he is not desperate enough yet. haha

the funny thing is 7 out of ten times I fix this type of issue within like 10 minutes of showing up its alwasy something super simple/stupdi

i'm pretty desperate, but at the same time my wallet is desperate for money too, lol. 7 out of 10 are good odds, but i might just be 3 out of the 10 that really has ridiculous issues. as u can tell i've ruled out many possibilities.

thank goodness cody has a spare motor i'm bumming parts off. thanks cody!

Quote:

Originally Posted by let5l1de

true enough.

But I am wishing its a broken or collapsed valve spring(s). If it is floating valves, I can build chucks engine and get him the extra power hes always wanted. Not quite M. Essa power but enough for now.

Might as well build the rest of Team Mulsannes engines since everyone is having problems.

Barrow my hoist and bring me your engine... and Codys and Teddys.

1 1/2 weeks left chuck.

~m

Mario, i'm moving back to the 626 after the 30th of this month, so if it still isn't up to par by then, i'll swing it on by ur pad. i'll be literally right down the street from you.

let5l1de · 09-23-2009, 12:52 AM

Quote:

Originally Posted by 90 DGRZ

Mario, i'm moving back to the 626 after the 30th of this month, so if it still isn't up to par by then, i'll swing it on by ur pad. i'll be literally right down the street from you.

Sounds good chuck. I'm looking for a shop in our area to make this legit. Not that I can't build engines in my garage, but the mess... So I'm serious about building for the team. Send me the old sr's

Quote:

Originally Posted by steve shadows

lol nice.

As long as you send him to me for mechanical / boots controller tune up on my dyno you can handle the rest of his mess.

Sounds good to me. I might just swing by one day and check out your shop. Actually, I might be in the area tomorrow around 2 or 3.

~m

0wn3r · 09-23-2009, 07:54 AM

no, just alot of idiots seem to want to use brake cleaner on their MAF.

my guess is it's somewhere from your battery to your MAF.

*DALAZ_68* · 09-23-2009, 11:25 PM

have you check the TPS ... MehSilvia is having horrible bog issues, similar to urs...he already figured out it was TPS he checked voltage and it was horribly wrong...change he TPS...

im pretty sure that can be it...

since it affects air/fuel mixture...

him being N/A and u boosted could result in diff results

90 DGRZ · 09-24-2009, 12:15 AM

yehhh. replaced tps and reset it.

steve shadows · 09-24-2009, 12:50 AM

Still sounds like the right person hasnt really diagnosed it honestly man, no offense.

It can only be so many things. The car is a mechanical object. 1+1 = 2 everytime.

If you can get the car down to LB ill only charge 40 bones and ill give it a check and give you my honest opinion.

eitherway I would check compression AGAIN and AGAIN and AGAIN

Also if you wiring harness has ANYTHING WRONG AT ALL that you can see, like shotty wiring or grounding shroud or crap or any butt connectors I would throw it i the trash and get a new harness in better shape or better yet just get a brand new wiring harness and start over. This was the best thing I ever did on my last S13, I just ponied up and almost all of the intermittent electrical bugs were totally gone forever, car ran a lot better

bardabe · 09-24-2009, 01:30 AM

just kinda thought about this, whats your battery voltage under load?

GSXRJJordan · 09-24-2009, 03:27 AM

Quote:

Originally Posted by steve shadows

...If you can get the car down to LB ill only charge 40 bones and ill give it a check and give you my honest opinion.

Best $40 you could possibly spend. Remember when I had you drive all the way out to my place to look at my S13 back in the day? Lolz.

Problem is, he won't be able to easily get the car down to Long Beach.

Quote:

Originally Posted by bardabe

just kinda thought about this, whats your battery voltage under load?

High 12's I think he said, unless I'm thinking about someone else I was helping. Coulda been Nick I was talking about batt voltages with.

yokotas13 · 09-24-2009, 05:13 AM

Maff
turbo blown
leak

ive had the symptoms that you had with all three.
or coilpacks, but youve checked that.

dros · 09-24-2009, 05:33 AM

I had the same issue...I cleaned the MAF and did nothing,changed the MAF and the problem was solved!I hate it when such things happens!Good luck!

*DALAZ_68* · 09-24-2009, 11:09 AM

Quote:

Originally Posted by bardabe

just kinda thought about this, whats your battery voltage under load?

Quote:

Originally Posted by GSXRJJordan

High 12's I think he said, unless I'm thinking about someone else I was helping. Coulda been Nick I was talking about batt voltages with.

Quote:

Originally Posted by 90 DGRZ

just a quick note: my idle voltage is roughly 13.5 ........ when i'm flooring it andd it starts backfiring/misfiring around 5k, the voltage drops to about 12.7.
normal, or should there not be a drop in voltage?

is tha the info u guys were lookin for?

hows the idle?

09-22-2009, 01:00 PM	#32
0wn3r Zilvia Addict Join Date: Oct 2007 Location: CT Posts: 676 Trader Rating: (4) Feedback Score: 4 reviews	i had the exact same problem down to the T. go get a bottle of MAF cleaner and spray the sensor and the inside down real well problem solved __________________ 97 240sx se

09-22-2009, 06:54 PM	#34
BrokenWhite240 Zilvia Addict Join Date: Nov 2007 Location: Cherry Hill, NJ Age: 36 Posts: 618 Trader Rating: (19) Feedback Score: 19 reviews	Did you try replacing the maf like I described earlier with one that is known to work perfectly. Most times when a maf is bad maf cleaner doesnt do shit. __________________ Team Prettyboys

09-22-2009, 08:21 PM	#36
0wn3r Zilvia Addict Join Date: Oct 2007 Location: CT Posts: 676 Trader Rating: (4) Feedback Score: 4 reviews	well wtf did you clean it with? did you actually take off and spray the sensors? i'm telling you, I had the SAME EXACT PROBLEM. __________________ 97 240sx se

09-22-2009, 09:30 PM	#37
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	apparently he is not desperate enough yet. haha the funny thing is 7 out of ten times I fix this type of issue within like 10 minutes of showing up its alwasy something super simple/stupdi __________________ Like Me on FaceBook !

09-22-2009, 11:32 PM	#39
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	lol nice. As long as you send him to me for mechanical / boots controller tune up on my dyno you can handle the rest of his mess. __________________ Like Me on FaceBook !

09-23-2009, 07:54 AM	#42
0wn3r Zilvia Addict Join Date: Oct 2007 Location: CT Posts: 676 Trader Rating: (4) Feedback Score: 4 reviews	no, just alot of idiots seem to want to use brake cleaner on their MAF. my guess is it's somewhere from your battery to your MAF. __________________ 97 240sx se

09-23-2009, 11:25 PM	#43
DALAZ_68 not giving a fuck Join Date: Apr 2007 Location: Los angeles Age: 35 Posts: 15,080 Trader Rating: (104) Feedback Score: 104 reviews	have you check the TPS ... MehSilvia is having horrible bog issues, similar to urs...he already figured out it was TPS he checked voltage and it was horribly wrong...change he TPS... im pretty sure that can be it... since it affects air/fuel mixture... him being N/A and u boosted could result in diff results __________________ LOL 240... whats better than 1? 5 1's ...lol PSN & XBL GT : Wh0pp3r68 CLUB LEXUS : Wh0pp3r

09-24-2009, 12:15 AM	#44
90 DGRZ Zilvia Addict Join Date: Mar 2006 Location: Los Angeles, Cali Posts: 908 Trader Rating: (2) Feedback Score: 2 reviews	yehhh. replaced tps and reset it. __________________ -Chuck

09-24-2009, 12:50 AM	#45
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	Still sounds like the right person hasnt really diagnosed it honestly man, no offense. It can only be so many things. The car is a mechanical object. 1+1 = 2 everytime. If you can get the car down to LB ill only charge 40 bones and ill give it a check and give you my honest opinion. eitherway I would check compression AGAIN and AGAIN and AGAIN Also if you wiring harness has ANYTHING WRONG AT ALL that you can see, like shotty wiring or grounding shroud or crap or any butt connectors I would throw it i the trash and get a new harness in better shape or better yet just get a brand new wiring harness and start over. This was the best thing I ever did on my last S13, I just ponied up and almost all of the intermittent electrical bugs were totally gone forever, car ran a lot better __________________ Like Me on FaceBook !

09-24-2009, 01:30 AM	#46
bardabe Post Whore! Join Date: Aug 2005 Location: SoCal Age: 31 Posts: 4,716 Trader Rating: (10) Rides Gallery: bardabe Feedback Score: 10 reviews	just kinda thought about this, whats your battery voltage under load? __________________ Review Thread

09-24-2009, 05:13 AM	#48
yokotas13 Post Whore! Join Date: Apr 2006 Location: Milford, CT Age: 36 Posts: 10,519 Trader Rating: (8) Rides Gallery: yokotas13 Feedback Score: 8 reviews	Maff turbo blown leak ive had the symptoms that you had with all three. or coilpacks, but youve checked that. __________________ 2015 Subaru Outback Overlander - Wagonofdoom

09-24-2009, 05:33 AM	#49
dros Join Date: May 2009 Location: greece Posts: 42 Trader Rating: (0) Feedback Score: 0 reviews	I had the same issue...I cleaned the MAF and did nothing,changed the MAF and the problem was solved!I hate it when such things happens!Good luck!

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