Symptoms are getting worse
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From: Puerto Rico
Symptoms are getting worse
My SRT-6 won't start normally every so often. I assumed it was the CPS so I purchased one at Advanced Auto, installed it and then the car would quit at 4000 RPM. Just shut off completely. So the stock CPS was reinstalled and every so often it won't start normally. By normally I mean after 2 seconds of cranking. I have another CPS to try and if that's not it I'm thinking something in the fuel or emission system might be going. The reason being is that recently I'll be sitting at a red light idling and the AFR will jump to 21 on the dashdaq for a few seconds and then go rich before returning to 14.7. Or could it be an O2 sensor? And the AFR's are not as steady at idle as they used to be. I haven't seen an issue at WOT or at the track but what ever is acting up is slowly getting worse. So lets go in order that the symptoms appeared.
1.- Ocasional hard or no start at first try. Always starts immediately on the second try. I did get a CPS code once, about 6 months ago which is why the Advanced Auto CPS fiasco.
2.- Ocasional check engine for O2 sensors when using octane booster. Never with pure 93.
3.- Stopped at a redlight AFR's jump to 21º for 2 or 3 seconds (maximum I have the dashdaq set to read) then go rich before returning to normal. 14.7
4.- AFR's not as steady at idle or cruise as before. Up to 15, down to 14, jumping up and down a few tenths.
Ideas?
Les
1.- Ocasional hard or no start at first try. Always starts immediately on the second try. I did get a CPS code once, about 6 months ago which is why the Advanced Auto CPS fiasco.
2.- Ocasional check engine for O2 sensors when using octane booster. Never with pure 93.
3.- Stopped at a redlight AFR's jump to 21º for 2 or 3 seconds (maximum I have the dashdaq set to read) then go rich before returning to normal. 14.7
4.- AFR's not as steady at idle or cruise as before. Up to 15, down to 14, jumping up and down a few tenths.
Ideas?
Les
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Joined: Apr 2006
Posts: 25,429
Likes: 613
From: Ontario
Re: Symptoms are getting worse
Originally Posted by velociabstract
My SRT-6 won't start normally every so often. I assumed it was the CPS so I purchased one at Advanced Auto, installed it and then the car would quit at 4000 RPM. Just shut off completely. So the stock CPS was reinstalled and every so often it won't start normally. By normally I mean after 2 seconds of cranking. I have another CPS to try and if that's not it I'm thinking something in the fuel or emission system might be going. The reason being is that recently I'll be sitting at a red light idling and the AFR will jump to 21 on the dashdaq for a few seconds and then go rich before returning to 14.7. Or could it be an O2 sensor? And the AFR's are not as steady at idle as they used to be. I haven't seen an issue at WOT or at the track but what ever is acting up is slowly getting worse. So lets go in order that the symptoms appeared.
1.- Ocasional hard or no start at first try. Always starts immediately on the second try. I did get a CPS code once, about 6 months ago which is why the Advanced Auto CPS fiasco.
2.- Ocasional check engine for O2 sensors when using octane booster. Never with pure 93.
3.- Stopped at a redlight AFR's jump to 21º for 2 or 3 seconds (maximum I have the dashdaq set to read) then go rich before returning to normal. 14.7
4.- AFR's not as steady at idle or cruise as before. Up to 15, down to 14, jumping up and down a few tenths.
Ideas?
Les
1.- Ocasional hard or no start at first try. Always starts immediately on the second try. I did get a CPS code once, about 6 months ago which is why the Advanced Auto CPS fiasco.
2.- Ocasional check engine for O2 sensors when using octane booster. Never with pure 93.
3.- Stopped at a redlight AFR's jump to 21º for 2 or 3 seconds (maximum I have the dashdaq set to read) then go rich before returning to normal. 14.7
4.- AFR's not as steady at idle or cruise as before. Up to 15, down to 14, jumping up and down a few tenths.
Ideas?
Les
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×Crossfire1× (08-06-2024)
but it is fairly easy to replace...
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×Crossfire1× (08-06-2024)
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