missfire problems.. plz help - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

TroubleSum · 06-21-2006, 12:33 PM

ok so... i hit a pothole on the freeway and the car feels like it gets no fuel... but i can keep the car running if i keep the revs up... but it dies if i let the revs drop.. can anyone help? i've changed the spark plugs and wires.. changed out the ECU and i've changed the fuel injectors... but after changing the injectors i got a missfire... so i changed the injectors back... but i'm still missfiring... someone please help

tre · 06-21-2006, 12:36 PM

cap and rotor? pull each spark plug wire outa nd see if its shooting spark?
Check your grounds?

NIK90s13 · 06-21-2006, 07:21 PM

As far as the car dieing, check for a vacume leak,+1 to tre on checking the cap, rotor, ect. also check the o2 censer wire to see if it is connected, it will also cause backfire.

06-21-2006, 12:33 PM	#1
TroubleSum Join Date: Jun 2006 Location: California Posts: 13 Trader Rating: (0) Feedback Score: 0 reviews	missfire problems.. plz help ok so... i hit a pothole on the freeway and the car feels like it gets no fuel... but i can keep the car running if i keep the revs up... but it dies if i let the revs drop.. can anyone help? i've changed the spark plugs and wires.. changed out the ECU and i've changed the fuel injectors... but after changing the injectors i got a missfire... so i changed the injectors back... but i'm still missfiring... someone please help

06-21-2006, 12:36 PM	#2
tre Zilvia Junkie Join Date: Apr 2006 Location: Seattle, WA Posts: 544 Trader Rating: (0) Feedback Score: 0 reviews	cap and rotor? pull each spark plug wire outa nd see if its shooting spark? Check your grounds? __________________ I didn't buy an Audi because it is a Great Car, but for more of a reason to be an asshole.

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06-21-2006, 07:21 PM	#3
NIK90s13 Zilvia Junkie Join Date: Jan 2006 Location: texas Age: 58 Posts: 471 Trader Rating: (0) Feedback Score: 0 reviews	As far as the car dieing, check for a vacume leak,+1 to tre on checking the cap, rotor, ect. also check the o2 censer wire to see if it is connected, it will also cause backfire.