sputtering while driving after heads and ca?
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
sputtering while driving after heads and ca? just did a tsp v3 cam and prc 2.5 heads, car has been running great the past couple days but lately when im cruising the car will start to hesitate and sputter and the check engine will flash? i checked my plugs and wires and they seem ok, im also running the stock injectors for now untili have my tuner swap to my 42# injectors but im not sure if the stock injectors may not be supplying enough gas and that might be causing it to sputter?
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
car is not tuned yet, it is sputtering randomly regardless of weather or not im going hard or light driving, for example i just drove it for about 30 miles and had no issues but earlier in the day it did it twice when i was cruising.
Well not being tuned with something as major as new heads and a cam could very well be the issue. You are changing the whole dynamics and compression of the engine at that point
Last edited by HCI2000SS; May 30, 2013 at 12:01 PM.
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
i agree with you, i just wasnt sure if the problem was because of that stuff or if it was a separate problem like i said it drives just fine 1 min then it will randomly sputter.
TECH Fanatic
Joined: Jan 2010
Posts: 1,219
Likes: 0
From: Euless Tx
Yeah, you have to get it tuned. A flashing SES light normally indicates a misfire which is common when you upgrade the cam and will occur until you get it tuned. Whatever you do, do not go WOT until the car is tuned.
Trending Topics
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
Here's and update, I hooked a scanner up and am getting p0300 obviously because of the cam but I'm also getting p0131 for bank 1 sensor 2 low voltage. Should I just replace the sensor or where else should I start? The car does misfire so that's why I'm leaning towards just replacing the sensor
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
How about... Check Engine Light will illuminate
Vehicle may idle or run rough
Decrease in fuel Eeconomy because PCM is in a "limp home" mode
Engine dies
In some unusual cases, there are no adverse conditions noticed by the driver
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
You really need to listen to everyone's advice and get the car tuned. You have heads, cam and a stall/without a tune and still riding around. Your pcm is having a fit trying to figure out what to do.
Thread Starter
TECH Enthusiast
Joined: Aug 2006
Posts: 734
Likes: 2
From: Hamlin ny
i am having it tuned on tuesday, thats the soonest i could have gotten in ive had the appointment for a week now i just wanted to make sure that when i go to get it tuned that im not gonna be shunned away because i have something else going on with the car.
TECH Fanatic
Joined: Aug 2004
Posts: 1,373
Likes: 4
From: Auckland, Nth Is, New Zealand.
Are trying to 'bed in' 'break in' 'run in' your stall? What for!! like diff gears, once installed correctly, drive it like you stole it.
TECH Fanatic
Joined: Aug 2004
Posts: 1,373
Likes: 4
From: Auckland, Nth Is, New Zealand.