 Replacing spark plugs causes engine to stall at idle? |
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| Replacing spark plugs causes engine to stall at idle? |
 May 26 2009, 06:49 AM
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#1
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 Group: Admin Posts: 3,402 Joined: 23-February 06 From: PDX/TXL Member No.: 35  |
I had the spark plugs and wires replaced in my Honda Accord recently and was driving it this morning and had it stall out at idle while sitting at a light. It seemed like it was fine but then at 70mph it would lose RPM and then immediately jump back up. I thought it may be a computer being reset issue, but wouldn't that correct itself after a few miles?
-------------------- "There is a level of cowardice lower than that of the conformist: that of the fashionable non-conformist." |
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May 26 2009, 08:11 AM
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#2
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 New son Donovan Charles Mummert born July 17, 2008 Group: Members Posts: 8,635 Joined: 22-February 06 From: Port Wentworth, GA Member No.: 15 |
Had a similar issue and it was caused by a hose issue.
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May 26 2009, 09:56 AM
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#3
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 Oh baby bring me down  Group: Agents Posts: 4,115 Joined: 23-February 06 From: Way out yonder Member No.: 68 |
wires could have bad connection. Happened on my motorcycle.
-------------------- Southern Rock, beer and bears!
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May 26 2009, 10:07 AM
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#4
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Group: Admin Posts: 3,402 Joined: 23-February 06 From: PDX/TXL Member No.: 35 |
QUOTE (chook @ May 26 2009, 10:56 AM)  wires could have bad connection. Happened on my motorcycle. Is it easy to see the bad connection? I checked the connection to the plugs and they all seem to be attached firmly. -------------------- "There is a level of cowardice lower than that of the conformist: that of the fashionable non-conformist." |
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May 26 2009, 11:01 AM
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#5
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 Group: Members Posts: 10,620 Joined: 23-February 06 From: Houston, TX Member No.: 48 |
check the O2 sensor connection
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May 26 2009, 08:05 PM
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#6
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 DEATH TO ....something? Group: Members Posts: 5,618 Joined: 23-February 06 From: Parker, CO Member No.: 55 |
Did you use dilectric grease in the plug boots? Did you replace the wires and use dilectric grease all around? It could be a wire shorting or arcing on you.
Also, general rule of thumb when changing spark plugs: Put the same brand back in that came out. IE, don't waste your money on a bullshit set of Bosch +4 or +2 plugs. If it came with Champion plugs, put Champion plugs back in. If it came with Delco platinum plugs, put Delco platinum plugs back in. just seems to work better that way. -------------------- I r Ur Gawd!
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May 26 2009, 10:47 PM
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#7
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Oh baby bring me down Group: Agents Posts: 4,115 Joined: 23-February 06 From: Way out yonder Member No.: 68 |
If it stalls only after heating up, it could be gap spacing, but what dogmeat suggests is more the culprit.
-------------------- Southern Rock, beer and bears!
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May 27 2009, 02:33 PM
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#8
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 Group: Moderators Posts: 2,499 Joined: 23-February 06 From: El Paso Texas Member No.: 32 |
crossed wires?
example: plug 1 & plug 2 wires switched... -------------------- |
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May 27 2009, 03:36 PM
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#9
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Group: Members Posts: 10,620 Joined: 23-February 06 From: Houston, TX Member No.: 48 |
definitely not crossed wires. try that on your own vehicle sometime and find out how that goes
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May 28 2009, 10:01 AM
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#10
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Group: Admin Posts: 3,402 Joined: 23-February 06 From: PDX/TXL Member No.: 35 |
Thanks for all of the suggestions!
I drove it into work again today and had a long period of the tach going to zero. The car essentially stalled while going 70mph, stayed like that for around 5-7 seconds, then the tach jumped back up to normal RPM. I'm taking it in today. -------------------- "There is a level of cowardice lower than that of the conformist: that of the fashionable non-conformist." |
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May 28 2009, 10:04 AM
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#11
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Group: Members Posts: 10,620 Joined: 23-February 06 From: Houston, TX Member No.: 48 |
my bet is still on the O2 sensor
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May 29 2009, 09:43 AM
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#12
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Group: Admin Posts: 3,402 Joined: 23-February 06 From: PDX/TXL Member No.: 35 |
It ended up being the distributor (not the cap). The computer is sending out the signal that something is wrong with the crankshaft and turns off the car. Ick.
-------------------- "There is a level of cowardice lower than that of the conformist: that of the fashionable non-conformist." |
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