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Old 02-10-2004, 00:41   #1 (permalink)
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EB I6 Pinging

Hey guys,

My EB has taken a tendancy to pinging a lot lately (ever since I put the auto back in).

If I am just cruising along, then put my foot down a bit, it pings for a second then stops and picks up. Also, off idle if I stomp on it a bit to get off the line in a hurry it pings. The timing is sitting smack bang on 10 deg BTDC in self-test mode. The car isn't running high octane fuel, but it's certainly not crappy stuff. I have also tried different fuel, but no help. I thought that the harmonic balancer may have slipped, so I backed the timing off a tad to about 8 deg and it ran like a biatch! Went back up to about 9 deg, bit better but still not acceptable, back to 10 deg and the bloody thing pings again! I don't think it's pinging at high revs at WOT, but then again I may not be able to hear it.

Any Ideas???

Daniel
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Old 02-10-2004, 02:10   #2 (permalink)
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Re: EB I6 Pinging

Sounds like timing or possibly top ends...
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Old 02-10-2004, 03:42   #3 (permalink)
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Re: EB I6 Pinging

could me a map sensor like with my car still haven't changed it though.
Does it stink like rich at idle in park and a bit of a rough idle if it is it's a map sensor mine was pinging like yours and even in between gear changes.
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Old 02-10-2004, 03:44   #4 (permalink)
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Re: EB I6 Pinging

could be a map sensor like with my car still haven't changed it though.
Does it stink like rich at idle in park and a bit of a rough idle if it is it's a map sensor mine was pinging like yours and even in between gear changes.
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& Lukey extractors with 2.5" straight through exhaust.
All the money being poured into this one now.

Car 2: Xe esp,383 stroker, c10, 9" diff etc... R.I.P my beast thanks little bro!!!!!!
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Old 02-10-2004, 14:39   #5 (permalink)
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Re: EB I6 Pinging

Try some water injection? It will clean up any carbon in combustion chambers..
Try colder plugs..Maybe cooler thermostate?Too much oil from pcv system can cause this also...
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Old 02-10-2004, 15:16   #6 (permalink)
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Re: EB I6 Pinging

Chuck it on the dyno, my balancer has slipped so badly its not funny.
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Old 02-10-2004, 15:23   #7 (permalink)
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Re: EB I6 Pinging

My advice is to retard the timing a little tiny bit at a time until it quits pinging. If you lose a lot of power it may be running the wrong A/F ratio...
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