My car thinks it's the Hunchback of Notre Dame

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2 total messages Started by Dave Hsu Tue, 03 Dec 1985 05:07

#205

Author: Dave Hsu
Date: Tue, 03 Dec 1985 05:07

23 lines
1692 bytes

Another one for you wizards out there.
The car:
	'83 Ford Thunderbird, 5 liter 8, auto

The problem:
	In second gear, if I just push the gas enough to maintain
say, 25 to 30 mph (read: rather lightly), a ringing sound appears from
somewhere vaguely in the front, while it is moving.  Sound can also be
made when climbing a hill, if I push the gas and the engine doesn't feel
like it's up on the powerband yet.  The noise is somewhat predictable,
whether the car is cold or hot.  Ideas?  Is this too trivial an annoyance
to post to net.auto.tech?

-dave
-- 
Spoken: David Hsu	ARPA: 	hsu @ eneevax.umd.edu	hsu @ mit-prep.arpa
UUCP:	{seismo,allegra}!umcp-cs!eneevax!hsu		BITnet: CF522 @ UMDD
USnail: Communication & Signal Processing Lab, Dept of Electrical Engineering
	University of Maryland,  College Park, MD 20742

"I realized my destiny when God came to me in a dream and told me
 that I was to be King of All Maryland..."
	-King Tom II; after King Tom III; after King Tom II; after Prince Fred..

Re: My car thinks it's the Hunchback of Notre Dame

#213

Author: Earle A .Sugar
Date: Tue, 03 Dec 1985 14:52

40 lines
2547 bytes

> Another one for you wizards out there.
> The car:
> 	'83 Ford Thunderbird, 5 liter 8, auto
> 
> The problem:
> 	In second gear, if I just push the gas enough to maintain
> say, 25 to 30 mph (read: rather lightly), a ringing sound appears from
> somewhere vaguely in the front, while it is moving.  Sound can also be
> made when climbing a hill, if I push the gas and the engine doesn't feel
> like it's up on the powerband yet.  The noise is somewhat predictable,
> whether the car is cold or hot.  Ideas?  Is this too trivial an annoyance
> to post to net.auto.tech?
> 
> -dave
> -- 
> Spoken: David Hsu	ARPA: 	hsu @ eneevax.umd.edu	hsu @ mit-prep.arpa
> UUCP:	{seismo,allegra}!umcp-cs!eneevax!hsu		BITnet: CF522 @ UMDD
> USnail: Communication & Signal Processing Lab, Dept of Electrical Engineering
> 	University of Maryland,  College Park, MD 20742
> 
Sounds link classic engine ping (i.e. minor detonation).  THis normally 
wouldn't be a major problem, but your engine has either the Ford EECIII or 
EECIV system, that has a knock sensor that kicks back the timing a few degrees 
if the engine starts pinging.  Something may be wrong with your electronic 
control unit.  My info comes from my '84 Ford shop manual, and is based on the 
assumption that the 84 was essentially an '83 carryover (my Mustang's 302 V8 
is, and so are most of the other V8's from what I've heard).  If you want 
a more specific answer, drop me a note and I'll tell you exactly what the 
shop manual says.

-- 
______________________________________________________________________________

Earle A. Sugar
Disclaimer:"I doubt anyone else here agrees with me."
          USENET: ...!seismo!umcp-cs!aplvax!aplcen!jhunix!ins_aeas
          CSNET:ins_aeas@jhunix.csnet
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