Hard Idle And Sputter - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

-Token4G- · 01-04-2011, 08:48 PM

Hey all i have a small problem with my det redtop i know its command,this all started when i checked my plugs out about a week ago,before i was using iridiums BKR5E1x-11 and now im running bcpr6es-11 havent been gaped plug and play, and now im having an issues when revving also driving it sounds like i have a mis and sputters, hard idle soundin like theres a big cam ive checked for vac leaks and now im down to checking for a bad sensor, i have a multimeter as well to check ive heard you can check for tps and a for more sensors near the intake manifold any suggestions correct me if im wrong thanks

Davidna2fi · 01-06-2011, 05:20 PM

You sure you checked for all vacuum leaks, while engine is running, just spray brake cleaner around where you think there is a leak, idle will change when there is a leak, check everywhere, the smallest of leaks can hurt it. A lot of overlooked areas is the brake booster check valve located on the firewall, check all hoses that go to the brake booster, then get back to this thread. You have a vacuum leak due to you running rich and having poor idle, they go hand in hand.

-Token4G- · 01-06-2011, 06:39 PM

Alright thanks Dav i didnt think about the brake cleaner

Davidna2fi · 01-06-2011, 06:59 PM

Quote:

Originally Posted by -Token4G-

Alright thanks Dav i didnt think about the brake cleaner

*sniff sniff sniff*... Do I smell sarcasm?

Crap...read too fast on the original post... go with said post below... check coil pack ground. Also believe it or not, I have seen first hand that the large connector for the coil pack harness have issues with the insulation peeling back due to heat and the wires touching and causing issues. Check that connector and make sure none of the wires are touching. Hope that helps.

nismoman · 01-06-2011, 07:12 PM

If it started when you changed the plugs, start there. Check the coils and wiring

superflysr20 · 01-07-2011, 08:23 AM

keep me posted on this, I have the same problem but I always thought it was because my turbo elbow is only on with 3 bolts currently, allowing air to escape before the 02 reads it.... am I totally wrong!?

nismoman · 01-07-2011, 11:31 AM

Quote:

Originally Posted by superflysr20

keep me posted on this, I have the same problem but I always thought it was because my turbo elbow is only on with 3 bolts currently, allowing air to escape before the 02 reads it.... am I totally wrong!?

You really need to fix that, exhaust leaks that close to the turbo can cause all kinds of weird drivability problems. Turbo may not spool right either

-Token4G- · 01-13-2011, 07:12 PM

Quote:

Originally Posted by nismoman

If it started when you changed the plugs, start there. Check the coils and wiring

Tomorrow i will have time to work on it and i will check for that i will post a pic of the coil packs tomorrow as well, havent had the time to work on da 240 work and school will be starting soon for me

-Token4G- · 01-13-2011, 07:14 PM

Quote:

Originally Posted by Davidna2fi

*sniff sniff sniff*... Do I smell sarcasm?

Crap...read too fast on the original post... go with said post below... check coil pack ground. Also believe it or not, I have seen first hand that the large connector for the coil pack harness have issues with the insulation peeling back due to heat and the wires touching and causing issues. Check that connector and make sure none of the wires are touching. Hope that helps.

Yea your right dav that day as i was changing out my plugs i seen orange looking rust dust on the tube of the coil packs

Davidna2fi · 01-15-2011, 07:13 PM

^^^ stop pressure washing your engine bay^^^

-Token4G- · 01-16-2011, 04:33 PM

Hahaha never that : D

-Token4G- · 01-18-2011, 07:51 AM

Well this morning i think ive found my sputterin problem as i was checking the TPS that was good, so while the car was running i pulled coil pack #1 it even started to shake really bad then i put that one back in still shaking thou but not as bad when i pulled #1 off, so i did the same thing #2 #3 #4 and the idle stayed the same so now ima have to get new coil packs i hope this solves the little issue : D

01-06-2011, 07:12 PM	#5
nismoman Zilvia Junkie Join Date: Jul 2005 Location: Bowie, MD Posts: 412 Trader Rating: (0) Feedback Score: 0 reviews	If it started when you changed the plugs, start there. Check the coils and wiring __________________

01-04-2011, 08:48 PM	#1
-Token4G- Join Date: Aug 2010 Location: Hattiesburg,Mississippi Age: 36 Posts: 13 Trader Rating: (0) Feedback Score: 0 reviews	Hard Idle And Sputter Hey all i have a small problem with my det redtop i know its command,this all started when i checked my plugs out about a week ago,before i was using iridiums BKR5E1x-11 and now im running bcpr6es-11 havent been gaped plug and play, and now im having an issues when revving also driving it sounds like i have a mis and sputters, hard idle soundin like theres a big cam ive checked for vac leaks and now im down to checking for a bad sensor, i have a multimeter as well to check ive heard you can check for tps and a for more sensors near the intake manifold any suggestions correct me if im wrong thanks

01-06-2011, 05:20 PM	#2
Davidna2fi Zilvia Junkie Join Date: May 2008 Location: Houston, TX Posts: 513 Trader Rating: (18) Feedback Score: 18 reviews	You sure you checked for all vacuum leaks, while engine is running, just spray brake cleaner around where you think there is a leak, idle will change when there is a leak, check everywhere, the smallest of leaks can hurt it. A lot of overlooked areas is the brake booster check valve located on the firewall, check all hoses that go to the brake booster, then get back to this thread. You have a vacuum leak due to you running rich and having poor idle, they go hand in hand.

01-06-2011, 06:39 PM	#3
-Token4G- Join Date: Aug 2010 Location: Hattiesburg,Mississippi Age: 36 Posts: 13 Trader Rating: (0) Feedback Score: 0 reviews	Alright thanks Dav i didnt think about the brake cleaner

01-07-2011, 08:23 AM	#6
superflysr20 Leaky Injector Join Date: Sep 2009 Location: bethesda md Age: 37 Posts: 138 Trader Rating: (4) Feedback Score: 4 reviews	keep me posted on this, I have the same problem but I always thought it was because my turbo elbow is only on with 3 bolts currently, allowing air to escape before the 02 reads it.... am I totally wrong!?

01-15-2011, 07:13 PM	#10
Davidna2fi Zilvia Junkie Join Date: May 2008 Location: Houston, TX Posts: 513 Trader Rating: (18) Feedback Score: 18 reviews	^^^ stop pressure washing your engine bay^^^

01-16-2011, 04:33 PM	#11
-Token4G- Join Date: Aug 2010 Location: Hattiesburg,Mississippi Age: 36 Posts: 13 Trader Rating: (0) Feedback Score: 0 reviews	Hahaha never that : D

01-18-2011, 07:51 AM	#12
-Token4G- Join Date: Aug 2010 Location: Hattiesburg,Mississippi Age: 36 Posts: 13 Trader Rating: (0) Feedback Score: 0 reviews	Well this morning i think ive found my sputterin problem as i was checking the TPS that was good, so while the car was running i pulled coil pack #1 it even started to shake really bad then i put that one back in still shaking thou but not as bad when i pulled #1 off, so i did the same thing #2 #3 #4 and the idle stayed the same so now ima have to get new coil packs i hope this solves the little issue : D