Problem with engine

troy1000rr · May 28th, 2007, 10:33 AM

I noticed some hesitation while at full throttle yesterday as I was entering onto the interstate and then at 65 mph the car was hesitating and the exhaust had a slight gurgle sound. When I got home I lifted the hood and the engine still had the hesitation noise and I could hear popping as the car was idled. I figure that was probably detonation becuase of lack of fuel or maybe an o2 sensor ar maybe MAF. What do you guys think and would it be safe to drive o the shop or should I have it towed? I drove it home about 10 miles with this problem. I have a procharger kit.

HMUSN · May 28th, 2007, 10:36 AM

is the kit new?

did you get a tune yet?

I would say if you stay out of boost you should be able to get it to the shop.

troy1000rr · May 28th, 2007, 10:46 AM

The kit is not new and it was tuned perfectly before yesterday. The air/fuel meter is running on the lean side. It's stays mostly on the lean but when you hit the throttle it raises to stock which is a couple of bars above lean and before yesterday it would stay on the lower end of the rich side.

TurboLX · May 29th, 2007, 01:53 PM

How does the car idle?? is it rough and feels like its gonna stall??

troy1000rr · June 6th, 2007, 12:12 AM

Yes and it looks like I had a bad spark plug. Easy fix.
Is it safe to run nitrous and a blower? I want to pick up another 100 horses but I want the car to still be streetable.
Thanks,

drgnracin72 · June 6th, 2007, 01:58 AM

if your showing lean on your gauges, you might want to go have that checked out. its opkay to run a little fat but its a huge no-no to run a little lean. go get it cherclked out and make sure your tune is on. i wouldnt run a daily driver that close to the edge. just not real safe.

Regency 2007 · June 6th, 2007, 06:25 PM

take it back and replace all the o2's

May 28th, 2007, 10:46 AM	#3
troy1000rr Newbie Join Date: Nov 2006 Posts: 26	Blower The kit is not new and it was tuned perfectly before yesterday. The air/fuel meter is running on the lean side. It's stays mostly on the lean but when you hit the throttle it raises to stock which is a couple of bars above lean and before yesterday it would stay on the lower end of the rich side.

May 29th, 2007, 01:53 PM	#4
TurboLX I Post Entirely Way Too Much 1990 Mustang LX Turbo 8.67@165.91 mph Join Date: Oct 2006 Location: Hidden In NY Posts: 8,475	How does the car idle?? is it rough and feels like its gonna stall?? __________________ Wiring Diagrams, TSB's, OBD Service Codes and Engine Diagrams Available. PM For Info Myspace *Small Block Posse*

June 6th, 2007, 12:12 AM	#5
troy1000rr Newbie Join Date: Nov 2006 Posts: 26	blower Yes and it looks like I had a bad spark plug. Easy fix. Is it safe to run nitrous and a blower? I want to pick up another 100 horses but I want the car to still be streetable. Thanks,

June 6th, 2007, 06:25 PM	#7
Regency 2007 Hardcore Enthusiast Join Date: May 2007 Posts: 1,135	take it back and replace all the o2's __________________ *Gun Owners of Modded Mustangs*

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Problem with engine

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