car running bad - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

9524tee · 10-23-2002, 04:54 PM

hey i got a 1995 240 , it feels like its missing , i replaced the whole distributer , the cap and rotor , the plug wires and plugs , its still doing it , i have perfect voltage and i am just stumped on what to do , anybody who really knows the ka motor , feel free to try to help , i cleaned the throttle body and i did a whole fuel injector cleaning , i replaced the fuel filter , i have done endless things but it is still running funny , i have more power now than i did before , since i put on all of these things , help!!!!!!!

jyt747 · 10-23-2002, 05:04 PM

what do you mean by car is running bad? more details plz...

wherezmytofu · 10-23-2002, 05:18 PM

normally timing chained engines dun have a timing problem...but i think its time for u to bust out the timing gun...that or run higher octane cheapo  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='

'>

adey · 10-23-2002, 05:46 PM

Just a heads up: I've generally been recommended against using fuel injector cleaner that you just dump into your gas tank; apparently they don't do good things for our O-rings and such, whereas big american cars don't have such delicate/high-tech parts. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='

'>  

Also, consider changing your air filter... that's all I can think of unless someone pulled timing back on the car...  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/thumbs-up.gif" border="0" valign="absmiddle" alt=':thumbsup:'>  Good luck!

(and yes, a better description of how the car's running "badly" would help&#33<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt='

'>

thelinja · 10-23-2002, 11:14 PM

<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/eh.gif" border="0" valign="absmiddle" alt=':eh:'> you're confusing me with this post...you say your car is running bad.....then you say you have more power than ever before at the end of the post... <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/huh.gif" border="0" valign="absmiddle" alt=':huh:'> ....

dr2if4ta0sx · 10-24-2002, 12:03 AM

could it be that the air intake pipe near the throttle body is loose, leaking air?  Happened to one of my friends car and all we did was tighten problem solved hope this helps  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/thumbs-up.gif" border="0" valign="absmiddle" alt=':thumbsup:'>

9524tee · 10-24-2002, 04:20 AM

im running 91 octane , its not the gas , i only buy chevron , i just had a distributer put in , which when they do that they adjust the timing it isnt the timing , could it be some kind of sensor? i replaced the pcv valve and the o2 sensor on the header also , i have done almost everything

9524tee · 10-24-2002, 04:22 AM

and i clean my air filter all the time so its not that .... and i never put that bottled fuel injector cleaner in , i have them professionally cleaned ...

Kreator · 10-24-2002, 11:50 AM

is computer throwing a code? and what do you mean by "missing"? misfire?

9524tee · 10-30-2002, 03:52 AM

its sputtering under load when i first hit the throttle it will lag for a second then finally stop backfiring and sputtering , then run fine all the way up the powerband, it doesnt do it for that long it does it for about 2 seconds , then it stops , but it happens every time i hit the damn throttle ... and i have a check engine light on that wont go off ... i cleaned the throttle body changed plugs wires , fuel filter oil change , a new distributer , and a new cap and rotor also , and a new o2 sensor on the header , and a new pcv valve ,you name it i have replaced it ... any ideas?

thelinja · 10-30-2002, 07:31 AM

Could it possibly be poor cylinder compression?

thelinja · 10-30-2002, 07:36 AM

But then again, you might be better off taking it to a shop and having them take a look at it....If you say you've replaced everything that could possibly wrong and the motor still isn't running strong....then there could be a serious problem.  Just curious..what's your car's mileage?

misnomer · 10-30-2002, 10:19 PM

If your check engine light is on, you need to check your ECU to see what code it's giving you. Prolly shoulda done that at the start and saved yourself the hassle <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt='

'>

9524tee · 11-20-2002, 04:37 AM

i did the self diagnostic , it threw 2 codes , one was 25 , and the other was 55 , what do they mean ? and would those things have anything to do with the problem ?

sanmiam · 11-20-2002, 02:21 PM

codes:
http://www.zilvia.net/f/cgi-bin/ikon...ST;f=6;t=10141

25 = Idle speed control valve circuit is open or shorted
35 = Exhaust gas temperature sensor (California models)

AKADriver · 11-20-2002, 03:31 PM

idle speed control - yeah, this could definitely do it.  Check all the vacuum and electrical connections to the IAA valve.  If they're okay, then check the IAA valve itself.

code 55 is just a signal that there are no more codes...

10-23-2002, 04:54 PM	#1
9524tee Zilvia Junkie Join Date: Nov 2001 Location: Lexington KY Posts: 545 Trader Rating: (0) Feedback Score: 0 reviews	hey i got a 1995 240 , it feels like its missing , i replaced the whole distributer , the cap and rotor , the plug wires and plugs , its still doing it , i have perfect voltage and i am just stumped on what to do , anybody who really knows the ka motor , feel free to try to help , i cleaned the throttle body and i did a whole fuel injector cleaning , i replaced the fuel filter , i have done endless things but it is still running funny , i have more power now than i did before , since i put on all of these things , help!!!!!!! __________________ Nancy Kappa Monkey Squad

10-23-2002, 05:04 PM	#2
jyt747 Zilvia Junkie Join Date: Dec 2001 Location: Bay Area, CA Posts: 305 Trader Rating: (0) Feedback Score: 0 reviews	what do you mean by car is running bad? more details plz... __________________ '96 5 spd SE; K&N intake, apexi coilovers, apexi c/f fstb, clutchmaster stage 1 w/ lightened flywheel, b&m ss, 5zigen fireball, jacobs ice pak. (NOW TOTALLED, RIP)

10-23-2002, 05:46 PM	#4
adey Post Whore! Join Date: Mar 2002 Location: Hong Kong Posts: 3,072 Trader Rating: (0) Feedback Score: 0 reviews	Just a heads up: I've generally been recommended against using fuel injector cleaner that you just dump into your gas tank; apparently they don't do good things for our O-rings and such, whereas big american cars don't have such delicate/high-tech parts. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt=''>   Also, consider changing your air filter... that's all I can think of unless someone pulled timing back on the car...  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/thumbs-up.gif" border="0" valign="absmiddle" alt=':thumbsup:'>  Good luck! (and yes, a better description of how the car's running "badly" would help&#33<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt=''> __________________ Instagram: @SX180HKG

10-24-2002, 04:20 AM	#7
9524tee Zilvia Junkie Join Date: Nov 2001 Location: Lexington KY Posts: 545 Trader Rating: (0) Feedback Score: 0 reviews	im running 91 octane , its not the gas , i only buy chevron , i just had a distributer put in , which when they do that they adjust the timing it isnt the timing , could it be some kind of sensor? i replaced the pcv valve and the o2 sensor on the header also , i have done almost everything __________________ Nancy Kappa Monkey Squad

10-24-2002, 04:22 AM	#8
9524tee Zilvia Junkie Join Date: Nov 2001 Location: Lexington KY Posts: 545 Trader Rating: (0) Feedback Score: 0 reviews	and i clean my air filter all the time so its not that .... and i never put that bottled fuel injector cleaner in , i have them professionally cleaned ... __________________ Nancy Kappa Monkey Squad

10-23-2002, 05:18 PM	#3
wherezmytofu BANNED Join Date: Nov 2001 Posts: 1,873 Trader Rating: (0) Feedback Score: 0 reviews	normally timing chained engines dun have a timing problem...but i think its time for u to bust out the timing gun...that or run higher octane cheapo  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt=''>

10-23-2002, 11:14 PM	#5
thelinja Zilvia FREAK! Join Date: Jul 2002 Location: New Jersey Posts: 1,466 Trader Rating: (3) Rides Gallery: thelinja Feedback Score: 3 reviews	<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/eh.gif" border="0" valign="absmiddle" alt=':eh:'> you're confusing me with this post...you say your car is running bad.....then you say you have more power than ever before at the end of the post... <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/huh.gif" border="0" valign="absmiddle" alt=':huh:'> ....

10-24-2002, 12:03 AM	#6
dr2if4ta0sx Leaky Injector Join Date: Feb 2002 Location: SoCal Age: 45 Posts: 145 Trader Rating: (0) Feedback Score: 0 reviews	could it be that the air intake pipe near the throttle body is loose, leaking air?  Happened to one of my friends car and all we did was tighten problem solved hope this helps  <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/thumbs-up.gif" border="0" valign="absmiddle" alt=':thumbsup:'>

10-24-2002, 11:50 AM	#9
Kreator Nissanaholic! Join Date: Mar 2002 Location: MD Age: 41 Posts: 1,975 Trader Rating: (0) Feedback Score: 0 reviews	is computer throwing a code? and what do you mean by "missing"? misfire? __________________ кто болеет за Зенит, у того всегда стоит!

10-30-2002, 03:52 AM	#10
9524tee Zilvia Junkie Join Date: Nov 2001 Location: Lexington KY Posts: 545 Trader Rating: (0) Feedback Score: 0 reviews	its sputtering under load when i first hit the throttle it will lag for a second then finally stop backfiring and sputtering , then run fine all the way up the powerband, it doesnt do it for that long it does it for about 2 seconds , then it stops , but it happens every time i hit the damn throttle ... and i have a check engine light on that wont go off ... i cleaned the throttle body changed plugs wires , fuel filter oil change , a new distributer , and a new cap and rotor also , and a new o2 sensor on the header , and a new pcv valve ,you name it i have replaced it ... any ideas? __________________ Nancy Kappa Monkey Squad

10-30-2002, 07:31 AM	#11
thelinja Zilvia FREAK! Join Date: Jul 2002 Location: New Jersey Posts: 1,466 Trader Rating: (3) Rides Gallery: thelinja Feedback Score: 3 reviews	Could it possibly be poor cylinder compression?

10-30-2002, 07:36 AM	#12
thelinja Zilvia FREAK! Join Date: Jul 2002 Location: New Jersey Posts: 1,466 Trader Rating: (3) Rides Gallery: thelinja Feedback Score: 3 reviews	But then again, you might be better off taking it to a shop and having them take a look at it....If you say you've replaced everything that could possibly wrong and the motor still isn't running strong....then there could be a serious problem.  Just curious..what's your car's mileage?

10-30-2002, 10:19 PM	#13
misnomer Nissanaholic! Join Date: Jul 2001 Location: Nevada Posts: 2,293 Trader Rating: (0) Feedback Score: 0 reviews	If your check engine light is on, you need to check your ECU to see what code it's giving you. Prolly shoulda done that at the start and saved yourself the hassle <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt=''> __________________ Rowsdower saves us and saves all the world!

11-20-2002, 04:37 AM	#14
9524tee Zilvia Junkie Join Date: Nov 2001 Location: Lexington KY Posts: 545 Trader Rating: (0) Feedback Score: 0 reviews	i did the self diagnostic , it threw 2 codes , one was 25 , and the other was 55 , what do they mean ? and would those things have anything to do with the problem ? __________________ Nancy Kappa Monkey Squad

11-20-2002, 02:21 PM	#15
sanmiam Leaky Injector Join Date: Oct 2002 Posts: 132 Trader Rating: (0) Feedback Score: 0 reviews	codes: http://www.zilvia.net/f/cgi-bin/ikon...ST;f=6;t=10141 25 = Idle speed control valve circuit is open or shorted 35 = Exhaust gas temperature sensor (California models) __________________ "Beer is proof that God loves us and wants us to prosper" - Benjamin Franklin

11-20-2002, 03:31 PM	#16
AKADriver Post Whore! Join Date: May 2002 Location: Springfield, VA Age: 43 Posts: 3,518 Trader Rating: (1) Feedback Score: 1 reviews	idle speed control - yeah, this could definitely do it.  Check all the vacuum and electrical connections to the IAA valve.  If they're okay, then check the IAA valve itself. code 55 is just a signal that there are no more codes...