SR problem (still) - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Brandon · 03-24-2008, 03:45 PM

Ok, I posted about this before, but the post is old and I don't want to bring it up. My problem now is when I hit boost, my car will bog and backfire and misfire. The popping it makes from backfiring sounds like it's bubbling, but it will backfire normally too. I can drive no problem if I don't hit boost, but it'll pop and the revs will jump around alot and want to die or sometimes will die, but only when the engine is warmed up.

I've checked timing, all my vacuum lines, IC piping, and replaced my spark plugs recently. I've been told it could be my MAF, I am going to be checking the voltage of my sensors tonight with a voltmeter, but beforehand is there anyone that could possibly shed light on the problem.

03-24-2008, 03:45 PM	#1
Brandon Leaky Injector Join Date: Nov 2005 Location: San Diego, CA Age: 35 Posts: 106 Trader Rating: (1) Feedback Score: 1 reviews	SR problem (still) Ok, I posted about this before, but the post is old and I don't want to bring it up. My problem now is when I hit boost, my car will bog and backfire and misfire. The popping it makes from backfiring sounds like it's bubbling, but it will backfire normally too. I can drive no problem if I don't hit boost, but it'll pop and the revs will jump around alot and want to die or sometimes will die, but only when the engine is warmed up. I've checked timing, all my vacuum lines, IC piping, and replaced my spark plugs recently. I've been told it could be my MAF, I am going to be checking the voltage of my sensors tonight with a voltmeter, but beforehand is there anyone that could possibly shed light on the problem.