issue with car after mechanic looked at it - TriStateTuners.com :: Home of Tristate Auto Enthusiast

broski · 08-28-2009, 10:46 PM

i dropped my 91 nissan 300zx off for inspection about 10 days ago.

now when i put my car in, it had 2 bad injectors, i knew about. the car ran fine, was great on the highway, never stalled, no issues. idled a TAD rough, but nothing major at all.

mechanic called me and said i wasnt going to pass emissions and needed to replace the injectors.

he ends up doing that, and also a coil pack.

i get the car back. it passes everything.

but now.

my idle is ROUGH AS HELL. so rough to the point it actually stalled on me when i got it. the car runs worse , WAY worse, then it did before i sent it in.

i got this done at a small shop near me, had good reviews from people so i tried it out.

what the hell do i do? are they liable to fix it? like my car runs like total CRAP right now. i'm high idling and then dipping really low.

also driving feels super choppy and rough.

Renegade_ · 08-28-2009, 10:51 PM

get a tune? it just sounds rich...

evomike · 08-28-2009, 10:53 PM

Call and say something see what they can do, it could be something they mixed up. Or something could have just went theese things happen.

evomike · 08-28-2009, 10:54 PM

Quote:

Originally Posted by Renegade_

get a tune? it just sounds rich...

I also thought this but maybe the mechanic saw something and just overlooked it.

broski · 08-28-2009, 10:54 PM

yeah man
i just left a voicemail explaing whats wrong.

i just am totally pissed that i put the car in running pretty good, and now have it running like BALLS.

it just pisses me off.

like its really bad idle...

Renegade_ · 08-28-2009, 10:56 PM

How are two bad injectors classified in the "running well" category haha

broski · 08-28-2009, 10:58 PM

runing better then it is now with all injectors

Renegade_ · 08-28-2009, 11:00 PM

Then guess what...

If you add fuel and it runs like crap... it's rich. Get a tune.

If it was running smooth on four cylinders that means something is wrong. 2 dead cylinders doesnt keep a v6 in balance as far as I know.

broski · 08-28-2009, 11:03 PM

no no. it wasnt running smooth on 4. but it was running WAY better then it is now on 6. you think its just a tune?

evomike · 08-28-2009, 11:05 PM

Or your ecu compencated for dead injectors and now it is rich.

broski · 08-28-2009, 11:11 PM

god damn .

Renegade_ · 08-29-2009, 12:05 AM

reset the ecu, see what it does

stock ecu right?

broski · 08-29-2009, 07:47 PM

yeah its stock.

so an update. basically i am getting constant white smoke coming out of the right tail pipe. no smoke from left. its not a ton, but its noticable.

car in Neutral and park, is a rough idle. but stays right around 1k.
car being put into drive or reverse causes the car to go nuts. horrible idle, shakey, very bad.

any ideas?

OutToWinPAHC · 08-29-2009, 07:58 PM

I got an idea.... Pull some codes.

broski · 08-29-2009, 08:04 PM

good idea. i have to have someone do that for me.

OutToWinPAHC · 08-29-2009, 08:09 PM

Yeah chances are its still a bad or leaky injector. could also be MAF related. codes lead to the problem though, deff worth checking.

alwaysinboost · 08-29-2009, 08:48 PM

how good could the car have been running with two bad injectors? maybe fixing this probelm uncovered another one.
it could be a number of different things wrong with it or it could be something very simple, if you don't have the tools to diag it I would take it to someplace that does.

RT/Tuning is right around the corner from blue bell, they could have it running right in a jiffingtin!

TheBlackesTTRx7 · 08-29-2009, 10:04 PM

bet you just need to reset it. or have it relearn itself out

broski · 08-30-2009, 01:21 PM

any idea how to reset the ecu?

yellow2000S/R · 08-30-2009, 01:47 PM

Quote:

Originally Posted by broski

any idea how to reset the ecu?

A lot of cars its just a matter of removing the negative cable from the battery and leave the door open (so the dome light pulls all the power) for 5 minutes or so. Then hook it back up and you'll need to reset your radio and clock.

08-28-2009, 10:46 PM	#1
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	issue with car after mechanic looked at it i dropped my 91 nissan 300zx off for inspection about 10 days ago. now when i put my car in, it had 2 bad injectors, i knew about. the car ran fine, was great on the highway, never stalled, no issues. idled a TAD rough, but nothing major at all. mechanic called me and said i wasnt going to pass emissions and needed to replace the injectors. he ends up doing that, and also a coil pack. i get the car back. it passes everything. but now. my idle is ROUGH AS HELL. so rough to the point it actually stalled on me when i got it. the car runs worse , WAY worse, then it did before i sent it in. i got this done at a small shop near me, had good reviews from people so i tried it out. what the hell do i do? are they liable to fix it? like my car runs like total CRAP right now. i'm high idling and then dipping really low. also driving feels super choppy and rough.

08-28-2009, 10:51 PM	#2
Renegade_ Tri-State Post Whore Join Date: May 2006 Location: NNJ/NYC Member #1912 My Ride: 1J Swaggon iTrader: (2)	get a tune? it just sounds rich... __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

08-28-2009, 10:56 PM	#6
Renegade_ Tri-State Post Whore Join Date: May 2006 Location: NNJ/NYC Member #1912 My Ride: 1J Swaggon iTrader: (2)	How are two bad injectors classified in the "running well" category haha __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

08-28-2009, 11:00 PM	#8
Renegade_ Tri-State Post Whore Join Date: May 2006 Location: NNJ/NYC Member #1912 My Ride: 1J Swaggon iTrader: (2)	Then guess what... If you add fuel and it runs like crap... it's rich. Get a tune. If it was running smooth on four cylinders that means something is wrong. 2 dead cylinders doesnt keep a v6 in balance as far as I know. __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

08-29-2009, 12:05 AM	#12
Renegade_ Tri-State Post Whore Join Date: May 2006 Location: NNJ/NYC Member #1912 My Ride: 1J Swaggon iTrader: (2)	reset the ecu, see what it does stock ecu right? __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

08-28-2009, 10:53 PM	#3
evomike Tri-State Post Whore Join Date: Sep 2006 Member #2578 My Ride: 03 duramax and a 04 evo iTrader: (3)	Call and say something see what they can do, it could be something they mixed up. Or something could have just went theese things happen.

08-28-2009, 10:54 PM	#5
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	yeah man i just left a voicemail explaing whats wrong. i just am totally pissed that i put the car in running pretty good, and now have it running like BALLS. it just pisses me off. like its really bad idle...

08-28-2009, 10:58 PM	#7
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	runing better then it is now with all injectors

08-28-2009, 11:03 PM	#9
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	no no. it wasnt running smooth on 4. but it was running WAY better then it is now on 6. you think its just a tune?

08-28-2009, 11:05 PM	#10
evomike Tri-State Post Whore Join Date: Sep 2006 Member #2578 My Ride: 03 duramax and a 04 evo iTrader: (3)	Or your ecu compencated for dead injectors and now it is rich.

08-28-2009, 11:11 PM	#11
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	god damn .

08-29-2009, 07:47 PM	#13
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	yeah its stock. so an update. basically i am getting constant white smoke coming out of the right tail pipe. no smoke from left. its not a ton, but its noticable. car in Neutral and park, is a rough idle. but stays right around 1k. car being put into drive or reverse causes the car to go nuts. horrible idle, shakey, very bad. any ideas?

08-29-2009, 07:58 PM	#14
OutToWinPAHC Tri-State Post Whore Join Date: Jun 2007 Location: Tokelau Member #5081 My Ride: R33 GTS25T, RHD E46, Truck, part R32 GTR iTrader: (2)	I got an idea.... Pull some codes.

08-29-2009, 08:04 PM	#15
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	good idea. i have to have someone do that for me.

08-29-2009, 08:09 PM	#16
OutToWinPAHC Tri-State Post Whore Join Date: Jun 2007 Location: Tokelau Member #5081 My Ride: R33 GTS25T, RHD E46, Truck, part R32 GTR iTrader: (2)	Yeah chances are its still a bad or leaky injector. could also be MAF related. codes lead to the problem though, deff worth checking.

08-29-2009, 08:48 PM	#17
alwaysinboost Tri-State Post Whore Join Date: Feb 2006 Location: still at work Member #1454 My Ride: 04 EVO Wrecked by Oakes Detailing iTrader: (0)	how good could the car have been running with two bad injectors? maybe fixing this probelm uncovered another one. it could be a number of different things wrong with it or it could be something very simple, if you don't have the tools to diag it I would take it to someplace that does. RT/Tuning is right around the corner from blue bell, they could have it running right in a jiffingtin! __________________ "Drifting is gay. It might look cool on TV... but once you actually try it... you realize its the dumbest thing ever invented..." Jessie James

08-29-2009, 10:04 PM	#18
TheBlackesTTRx7 Tri-State Training Wheels Join Date: Oct 2007 Member #5946 iTrader: (0)	bet you just need to reset it. or have it relearn itself out

08-30-2009, 01:21 PM	#19
broski Tri-State Aficionado Join Date: May 2008 Location: Blue Bell PA Member #7793 My Ride: 1991 Nissan 300zx 2+2 iTrader: (0)	any idea how to reset the ecu?

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