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Author
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Topic: Aight ya'll.. Tech Question.. 4 Tha ProZ
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AL STOCK
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Cuzzon
Member # 1852
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posted
 
 
I was going through other threads and if i re'd right.. Fuel Pumps can actually make your car slower?! I didnt know that... What are the symtons? How do you know when your fuel pump is bad??
I been having a "POPPING" problem with my car for well over 3 months now.. Everytime i "floor" or hit the gas "hard" my car pops and i wont get any speed gain.. BUT if i take my time and press the gas *nicely* or *slowly* i can feel the power...
I asked around.. Some said Spark Plugs./... Replaced ...
Some said CLUTCH - maybe
Now im guessing maybe Fuel Pump because i drove my car ALOT on "E" before... Now my Fuel Guage Meter goes up SLOW everytime i pump gas.. So can this "popping" be the Fuel Pump?
I need to know ASAP! Maybe this can be the problem to that problem...
O.K that POPPING souding isnt like POPCORN popping.. Its like throwing a huge ROCK in the WATER.. More of a "thump" sound, and it is indeed very loud.. Can be well heard outside....
Thanx
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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88gt
Custom
Member # 579
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posted
Where exactly is the sound coming from though? The engine, exhaust, or underneath the car? It could be a number of things.
Posts: 1482 | From: Santa Clara/Bay area | Registered: Nov 2001
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AL STOCK
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Cuzzon
Member # 1852
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posted
Underneath... From the front somewhere.. SOmeone wanna test drive it? 415 656 1104 talk to Nazim.. I wanna put an end to this popping sound.. It makes the car *fvcking* slow and its now on my last nerves...
I know some of you guys can catch this problem jus by drivin the car.. I live on San Bruno Ave.. RIght next to 3com.. Lemm eknow....
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93 Cobra Teal
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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Primer GR40
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Member # 476
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posted
this may sound stupid but have you changed the fuel filter?
Posts: 2108 | Registered: Sep 2001
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y2kgt01
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Member # 1257
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posted
sending unit maby?
Posts: 748 | Registered: May 2002
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AL STOCK
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Cuzzon
Member # 1852
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posted
No never.. Now this may sound stupid.. But where is it located?!
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.:: FANATICS ::.
93 Cobra Teal
93 Cobra V Red
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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AL STOCK
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Cuzzon
Member # 1852
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posted
quote:
Originally posted by y2kgt01:
sending unit maby?
![[Confused]](confused.gif)
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.:: FANATICS ::.
93 Cobra Teal
93 Cobra V Red
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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JoeT
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Member # 298
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posted
"popping" is typical of an exhaust leak (is your smog tube connected to your H-pipe?), it is also typical of running rich AND running lean.
do you have a vacuum leak?
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Posts: 6785 | From: San Jose | Registered: Jun 2001
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Cuzzon
Member # 1852
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posted
How do i check if my exhuast is leaking? Any shops can do this?
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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bmxer
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Member # 1222
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posted
i have this same problem. sometimes when i floor it it pops and doesn't want to go faster, but sometimes it dosent pop and it feels faster. when i left the mufflers on its a quiet popping, but when i took the mufflers off it pops really loud. i changed the fuel filter.
Posts: 212 | From: cerritos, ca | Registered: Apr 2002
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JoeT
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Member # 298
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posted
run your codes, do you get 41 and/or 91? (lean) ?
that would explain it ![[Big Grin]](biggrin.gif)
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Stimson
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Member # 51
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posted
If its popping through the intake, you're running lean. A bad fuel pump or plugged filter can cause this. The car will be slow to rev at upper RPM's as well.
If its popping through the exhaust, you can have a leak, be running too rich or have your timing retarded too much.
Looks like you need to do a general look-over and tune up.
Posts: 2373 | Registered: Jun 2000
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AL STOCK
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Cuzzon
Member # 1852
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posted
Aight thanx 2 all who replied.. Much appreaciated.. L8
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.:: FANATICS ::.
93 Cobra Teal
93 Cobra V Red
90 SSP
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Huracan Rosso Mars
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Posts: 6501 | From: San Bruno | Registered: Sep 2002
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Gear Head
JARED
Member # 779
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posted
Change your cap and rotor then try the fuel pump, the pump is located on the top of the fuel tank very easy to change all you need is a flat head screwdriver.
Do the cap and rotor first. That solved my problem.
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Ruben
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Member # 1088
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posted
Check your spark plug wires. Look for arcing in the dark.
[ September 24, 2002, 05:04 PM: Message edited by: Ruben ]
Posts: 113 | From: Concord, Ca | Registered: Mar 2002
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AL STOCK
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Cuzzon
Member # 1852
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posted
quote:
Originally posted by sic91sleeper:
Change your cap and rotor then try the fuel pump, the pump is located on the top of the fuel tank very easy to change all you need is a flat head screwdriver.
Do the cap and rotor first. That solved my problem.
What Problem did it solve?? Cuz if i remember right.. Like back in early June i was cleaning my cap and rotor and moved it around *not sure* but i do remember re timing everything.. Maybe something went wrong there?
Hmmm..
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.:: FANATICS ::.
93 Cobra Teal
93 Cobra V Red
90 SSP
SVT Raptor
Huracan Rosso Mars
E63s W213 Selenite Gray
C7Z M7 Daytona Sunrise
Posts: 6501 | From: San Bruno | Registered: Sep 2002
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Gear Head
JARED
Member # 779
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posted
I had a popping type feel and sound when my RPM's were getting up there and I was WOT.
So i changed my cap and rotor and it fixed that problem. Most likeley when you changed yours you might have crossed up some plug wires. Double check that with a chiltons manual.
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Mean2001GT
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Member # 1750
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posted
how does the car idle? if it idles rough it's probably an exhaust leak or an electrical problem. but if this only acts up when you get on it, check the sending unit and filter, or fuel pressure.
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--Silver 2001 GT--
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Posts: 158 | From: San Ramon, CA | Registered: Aug 2002
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