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Author Topic: Car Trouble!!  (Read 1781 times)

Offline 1Boner

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Car Trouble!!
« on: July 17, 2010, 11:49:21 AM »
My 1999 Deville (The Bop Mobile) recently started running rough.

I ran a couple of bottles of fairly expensive injector cleaner through the gas tank and the problem seemed to go away.

A few days ago when I fired it up, it started running rough again even more pronounced than before.

Code P0300 seems to be the culprit. (random misfires)

I pulled a plug and it had a white coating on it. (running lean)

I checked and replaced the somewhat clogged fuel filter.

Problem is still there.

Dead battery this morning also.

Any Ideas? The car has 78k on it.


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Offline fbWldcat

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Re: Car Trouble!!
« Reply #1 on: July 17, 2010, 11:51:40 AM »
What do you mean by "rough?" You mean it sounds shakey, pops, or something? Or grinding sound?
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Quote from: Shuffler on April 07, 2011, 10:37:33 AM
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Offline 1Boner

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Re: Car Trouble!!
« Reply #2 on: July 17, 2010, 11:58:34 AM »
It doesn't sound bad at all.

However its running rough.(missing)

I can however feel it when I'm driving.

Loses power going up hills, Its lost its usually powerful accelleration.

No popping or grinding.

Its missing pretty badly with the plugs showing a lean mixture.
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"Life is just as deadly as it looks"  Richard Thompson

"So umm.... just to make sure I have this right.  What you are asking is for the bombers carrying bombs, to stop dropping bombs on the bombs, so the bombers can carry bombs to bomb things with?"  AKP

Offline fbWldcat

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Re: Car Trouble!!
« Reply #3 on: July 17, 2010, 12:03:46 PM »
If I get more details I may be able to help you more but the battery could be it. It could be the fuel injector which is probable. It could be a plug or two. It could be any number of things but I would get the battery squared away at any rate.
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Quote from: Shuffler on April 07, 2011, 10:37:33 AM
Landing is overrated.
"Two roads diverged in a wood, and I: I took the one less traveled by." - Robert Frost
"Uncommon valor was a common virtue." <S>

Offline dkff49

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Re: Car Trouble!!
« Reply #4 on: July 17, 2010, 12:06:04 PM »
I know stupid question.

Did you try changing plugs wires?

I had the same thing kind of happen with my Toyota (I know not exactly the same) and I had a hard time figuring things out to until I grabbed a hold of one of the plug wires trying to see if one was loose. I got a very painful idea of where the problem was after that since the truck was running. :eek:

Just a thought.
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Offline DKL

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Re: Car Trouble!!
« Reply #5 on: July 17, 2010, 12:08:47 PM »
Do a fuel pressure check.
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Offline Meatwad

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Re: Car Trouble!!
« Reply #6 on: July 17, 2010, 12:16:45 PM »
Last car I had doing that I put in a new battery and it solved the problem.
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Offline Tigger29

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Re: Car Trouble!!
« Reply #7 on: July 17, 2010, 12:17:43 PM »
Put plug wires on it... these Northstar engines are notorious for that.  When you get the old ones off, you'll see black marks on them where they were shorting out.

<---Master ASE Technician
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Offline Dago

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Re: Car Trouble!!
« Reply #8 on: July 17, 2010, 12:45:25 PM »
First, find out who stuck the red thing in front of the grill, and kick the hippie out of your way!    :rofl
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Offline 1Boner

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Re: Car Trouble!!
« Reply #9 on: July 17, 2010, 12:57:08 PM »
Quote from: Dago on July 17, 2010, 12:45:25 PM
First, find out who stuck the red thing in front of the grill, and kick the hippie out of your way!    :rofl

That picture was taken mere moments before I ran the vagrant down! He disappeared in a puff of hair ties and patchouli incense sticks!

The red nose and antlers was all that was left from last the guy i hit, he was driving some kinda sleigh!

And NO!! I don't need to clean the snow off the windsheild, I drive using instruments only!
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"Life is just as deadly as it looks"  Richard Thompson

"So umm.... just to make sure I have this right.  What you are asking is for the bombers carrying bombs, to stop dropping bombs on the bombs, so the bombers can carry bombs to bomb things with?"  AKP

Offline 1Boner

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Re: Car Trouble!!
« Reply #10 on: July 17, 2010, 12:58:59 PM »
Quote from: Tigger29 on July 17, 2010, 12:17:43 PM
Put plug wires on it... these Northstar engines are notorious for that.  When you get the old ones off, you'll see black marks on them where they were shorting out.

<---Master ASE Technician

I'm gonna try that.

But wouldn't the plugs be all wet from incomplete combustion? (rich)
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"Life is just as deadly as it looks"  Richard Thompson

"So umm.... just to make sure I have this right.  What you are asking is for the bombers carrying bombs, to stop dropping bombs on the bombs, so the bombers can carry bombs to bomb things with?"  AKP

Offline fbWldcat

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Re: Car Trouble!!
« Reply #11 on: July 17, 2010, 12:59:20 PM »
Quote from: 1Boner on July 17, 2010, 12:57:08 PM

And NO!! I don't need to clean the snow off the windsheild, I drive using instruments only!

This is Santa Slayer to Home Depot, am I cleared to park? Over.   :rofl

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Quote from: Shuffler on April 07, 2011, 10:37:33 AM
Landing is overrated.
"Two roads diverged in a wood, and I: I took the one less traveled by." - Robert Frost
"Uncommon valor was a common virtue." <S>

Offline Flench

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Re: Car Trouble!!
« Reply #12 on: July 17, 2010, 01:55:36 PM »
Sound's like you got a fuel injector bad . Take a long screwdriver and hold it on each injector and to your ear and see if it makes a clicking sound .
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Offline uptown

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Re: Car Trouble!!
« Reply #13 on: July 17, 2010, 02:33:53 PM »
Bad injector or fuel pressure regulator is bad. Do all the plugs look lean or just 1 or 2?
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Offline ACE

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Re: Car Trouble!!
« Reply #14 on: July 17, 2010, 02:44:57 PM »
Quote from: 1Boner on July 17, 2010, 11:58:34 AM
It doesn't sound bad at all.

However its running rough.(missing)

I can however feel it when I'm driving.

Loses power going up hills, Its lost its usually powerful accelleration.

No popping or grinding.

Its missing pretty badly with the plugs showing a lean mixture.
My moms car did the same thing hers was an Impala, dad knows quite a lot about cars hers was losing power and kinda jumping back in forth if you will dad looked at it, it was the tranny so check that.
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