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Author
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Topic: What is pinging?
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Unregistered
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Member # 786
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posted
 
 
I know my car pings like a motherfucker, but what exactly is going on in the engine when it is pinging? And what damage does pinging do to your engine? I know I learned this in auto but I can't remember. Thanks.
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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93ex-chp
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Member # 1688
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u need to either adjust your timing or get bigger injectors/fuel pump or both.. u could blow your headgasket if you got a supercharger
Posts: 267 | From: san leandro | Registered: Aug 2002
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DropTopFox
drama
Member # 1689
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I know if you don't run enough octane your shit will ping like a motherfucker and mine does it when it's hot outside not neccesarilly the engine. What is that shit all about? ![[Confused]](confused.gif)
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Posts: 4003 | From: San Bruno | Registered: Aug 2002
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eddiej50
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Member # 1169
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While I could get really technical on this but I will try to keep it short and sweet .Basically pinging is caused by early detenation of the Air fuel mixture .This can be cause d by many things such as bad gas ,heavy load ,running lean or excessive heat .(along with I am sure a bunch of other things I am forgetting ).Basically it means your car is not running correctly and if it is occurring on a constant basis it may indicate a deeper problem .If I were you I would have it checked out because pinging can lead to serious damage to the engine .
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99 Gt
Posts: 337 | From: Manteca | Registered: Apr 2002
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Hungry Hippo
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Member # 537
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yeah, pinging is premature explosions in your cylinders. in other words, not good!
Posts: 2959 | From: east bay | Registered: Nov 2001
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Gear Head
JARED
Member # 779
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posted
In other words Kevin needs to check out his timing.
[ October 23, 2002, 07:58 AM: Message edited by: sic91sleeper ]
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Unregistered
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Member # 786
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posted
Damn, my car has pinged at WOT for a while, I wonder how f'd up my engine is? And Jared, again, 5.0 engine dont need timing adjusters ![[Razz]](tongue.gif)
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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Gear Head
JARED
Member # 779
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posted
Oh yeah thats right but did you check your timing? Those 94 95's confuse me, I always forget they have those 302 push rod motors.
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Unregistered
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Member # 786
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posted
quote:
Originally posted by sic91sleeper:
Oh yeah thats right but did you check your timing? Those 94 95's confuse me, I always forget they have those 302 push rod motors.
I got it fixed and told the guy to set the timing at 10, and that's what he said he did but now it pings even more ![[Frown]](frown.gif)
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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Gear Head
JARED
Member # 779
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posted
Just go get that shit tuned at Mustang ranch get a chip and see what happens. Just go from there.
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Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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chosen1
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Member # 1906
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posted
try retarding the timing 2-4 degrees, and definately switch to a higher octane gas. the after market octane boosters can help because some contain cooling additives. pinging should not happen at low rpms. it usually happens at WOT, so until you solve the problem stay off the pedal.
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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
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Posts: 2205 | Registered: Sep 2002
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JoeT
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Member # 298
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I've heard the SN-95 5.0 computers just have pinging problems, plain and simple. But that's all second hand information.
Pinging= pre-ignition. Reverse of 'dieseling'.
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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JdubO7
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Member # 1973
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What does it sound like? Stupid question but if I have never heard it before how will I know if it pings?
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130 - 200 amp alt.
Posts: 65 | From: CA | Registered: Oct 2002
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cobraman_1994
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Member # 467
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it sounds like a can of pebbles being shaken. you can tell, cause it wont sound good ![[Embarrassed]](redface.gif)
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86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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Wildfire532FB
CAFords OG
Member # 1482
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posted
Pinging is also caused by bad spark plugs right?
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
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Posts: 17578 | From: 530 | Registered: Jun 2002
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Unregistered
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Member # 786
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posted
quote:
Originally posted by Cobra-Jeep:
Pinging is also caused by bad spark plugs right?
I think it might be. We just set my timing at 10 and took it for a test drive and it didn't ping in 2nd but when it got to about 4300 rpm's in 3rd it started pinging. Then we wnt and changed the plugs, autolite 24's, and on the way home it didn't ping, I don't know though. Either way I still need to get it tuned.
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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Unregistered
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Member # 786
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posted
In fact, I'm calling to make an appointment right now!
[ October 23, 2002, 04:43 PM: Message edited by: 5.8L 2be ]
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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Unregistered
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Member # 786
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posted
Dec.14, at 10:30, I can't wait! ![[dance]](graemlins/dance.gif)
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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93PONY
Mr. Valve Events
Member # 60
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posted
Pinging (pre-detonation) is the A/F mixture igniting before the sparkplug fires. The ignition trys to force the piston down, but the crank forces it up, causing the piston to rattle in the bore. That's what you're hearing...the piston rattling in the bore.
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Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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Wildfire532FB
CAFords OG
Member # 1482
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posted
isn't it when your piston hits your valves also called pinging?
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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Unregistered
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Member # 786
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posted
quote:
Originally posted by 93PONY:
Pinging (pre-detonation) is the A/F mixture igniting before the sparkplug fires. The ignition trys to force the piston down, but the crank forces it up, causing the piston to rattle in the bore. That's what you're hearing...the piston rattling in the bore.
Thats exactly the answer I was looking for. Thanks! ![[patriot]](graemlins/patriot.gif)
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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93PONY
Mr. Valve Events
Member # 60
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quote:
Originally posted by Cobra-Jeep:
isn't it when your piston hits your valves also called pinging?
Haha! You're funny man!
That's what I would call "problems".
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SCT dealer
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(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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TOPnotch
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Member # 1340
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posted
Or a bent valve/ broken piston
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1QWKDRP
Posts: 2255 | From: Hayward | Registered: May 2002
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Unregistered
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Member # 786
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by Cobra-Jeep:
isn't it when your piston hits your valves also called pinging?
Haha! You're funny man!
That's what I would call "problems".
That's a Huge problem! ![[Eek!]](eek.gif)
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2001.5 Audi S4
Posts: 1785 | From: Livermore | Registered: Jan 2002
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Hungry Hippo
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Member # 537
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posted
thats called being too lazy to check the piston to valve clearance when putting in a good sized cam ![[Smile]](smile.gif)
Posts: 2959 | From: east bay | Registered: Nov 2001
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