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View Poll Results: What sould I do vehicle wise
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Keep the camaro, spend some money on fixing it, then headers, Tune and hope i fix it..
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Dump it and build the 63 Chevy II nova for the drags
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09-22-2004, 07:23 PM
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#1
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Engine Problem....HELP!
OK....today i went home for a few...and the last time i drove it the car pinged popped rattled and backfires....so i figured id change the coil wire while i had a few free mins cause i knew that was a problem. I changed it, put some new gas in it along with injector cleaner and boom the same thing happened....so i figured maybe i should get under the hood again for a better inspection. I sat there and revved it up..and listened to this thumping noise coming from the engine...i cannot explain it it almost sounds like something is loose and maybe its pinging but its a really weird noise....I really am stuck now cause this IS my set of wheels and i cannot drive the chevelle daily when it gets less than 10MPG...HELP!!!
Oh yeah the noise seems to be coming from the front of the block almost like the number 1 and 2 cylinders...
Its a 94 Z28 A4 with 60k on the clock..thanks
Cat will be gutted this weekend and New wires will go on...but i need other alternatives just incase these dont work! HELP!
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09-23-2004, 02:14 AM
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#2
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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If you're thinking of selling the car, let me know. I'll buy it with the knocking/pining whatever noise.
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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09-23-2004, 05:28 AM
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#3
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Join Date: Aug 2004
Location: NJ
Posts: 133
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Might sound stupid, but make sure nothing is getting in the way of the pulleys and check your motor mounts too? Unless you're like 100% sure it's coming from the internal aspect of the motor.
Got any check engine lights on? Also, make sure none of your wires are touching the manifolds or anything like that. Timing could also possibly be off.
Err.. if none of that works.. drain the oil out, refill it with gear oil and slap a for sale sign on the windshield. 
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87 Firebird 5.7L
Carbed.. Cammed.. Ready to roll
05 Chevy Colorado
5-speed, baby.
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09-23-2004, 10:28 AM
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#4
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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I have not thrown any Check engine light or anything....what are the odds that maybe my wires are just REALLY bad...this weekend i will be changing the wires, plugs, gutting the cat...so any chance this may fix it? Could this be a sign of a bad opti? Thanks
And Ian.... Ryan Kelly from HHS (my roommate) says "HI"
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09-23-2004, 10:49 AM
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#5
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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If it hasnt been mentioned already, check the plugs. I had a similar problem once with my 305, and the back two plugs were ruined.
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09-23-2004, 01:36 PM
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#6
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
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Originally Posted by bad64chevelle
And Ian.... Ryan Kelly from HHS (my roommate) says "HI"
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HOLY CRAP! I haven't talked to him in forever! Tell him I said whats up.
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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09-23-2004, 07:45 PM
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#7
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Join Date: Aug 2004
Location: S. Jersey
Posts: 112
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Sounds like the opti-spark to me.
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Formerly BAD86Z
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09-23-2004, 09:15 PM
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#8
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Join Date: Aug 2004
Location: NJ
Posts: 133
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knock sensor or harmonic balancer even? Forgot to add those 2.
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87 Firebird 5.7L
Carbed.. Cammed.. Ready to roll
05 Chevy Colorado
5-speed, baby.
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09-24-2004, 09:33 AM
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#9
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Thanks for all the ideas....as soon as i get home ill be trying all these things...I plan on gutting the cat, new 02's, new plugs, new wires, and a fresh tank of gas with some 104 addative. Lets pray....and if all else fails ill be ordering the delteq system for next weekend.
Hey slow 88 you dont happen to work over at the welding shop in fieldsboro do ya?
THanks again
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09-26-2004, 11:34 AM
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#10
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Ok...did some work...and heres what happened...
Put on:
New plugs
New Wires
New 02's
did an !cat (was clogged beyone belief)
Heres what goin on:
The pinging is GONE! But...the stumble is still there. The only problem is that the stumble is only there off idle to 2,000 RPM's and then its gone! It hauls Butt after 2,000 like it has never done before. Sounds AMAZING! I still have an arc coming from the coil area (couldnt tell last night it was DARK) I am going to switch out my MSD coil to a stock one i have and see what happens...any more ideas? thanks!!!
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09-26-2004, 06:11 PM
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#11
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Join Date: Aug 2004
Location: Montgomery NJ
Posts: 1,271
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Fuel filter?
Hope it's the coil. Check the engine grounding straps or just run your own engine ground from a valve cover bolt. See if that helps.
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, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue 
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09-29-2004, 11:00 AM
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#12
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Fuel Filter was changed about 3 months ago....wasnt the coil I switched to a stocker and still did the ****, youre the 3rd person to tell me about a damn engine ground so im gonna try it...lol! 
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09-29-2004, 12:03 PM
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#13
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Join Date: Sep 2004
Posts: 7
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Check your maf sensor( could be dirty esp if you have a K&N). Also what's your coolent temp. You need at least 180F, otherwise your car stays in open loop mode
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09-29-2004, 12:18 PM
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#14
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Quote:
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Originally Posted by mysticwarrior
Check your maf sensor( could be dirty esp if you have a K&N). Also what's your coolent temp. You need at least 180F, otherwise your car stays in open loop mode
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Might want to check your info.....the car will stay in open loop until the o2 sensor warms up, doesn't have anything to do with the coolant temperature.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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09-29-2004, 01:18 PM
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#15
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Join Date: Sep 2004
Posts: 7
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Last time I checked , and this comes from the service manual
"coolent tempature must attain 176F before going into closed loop mode.
The PCM ignores the O2 signal until car reached operating temp. Get yourself a scanner and you can see for yourself.
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09-29-2004, 03:20 PM
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#16
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Join Date: Aug 2004
Location: North Jersey
Posts: 3,047
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I'd bet the stumble is from a clogged EGR valve. LT1s are notorious for that, especially over 50K miles.
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Seeya,
Steve R. in North Jersey
'16 Go-Mango Dodge Charger R/T. It's so good to be back in a V8-powered, RWD car!
Former Toy - '88 Monte SS - had lots of mods...
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09-29-2004, 07:01 PM
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#17
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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How do i check the EGR? Cause if its no tools needed ill go out there now and check it otherwise gotta wait till saturday
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