car shaking on idle, SES light blinking...help please
#1
car shaking on idle, SES light blinking...help please
before anybody says anything, i did a search and came up with a couple possible diagnosis...but nothing concrete
basically i woke up this morning and went to the gym with no problems...when i turned the car on to come back home i noticed it didnt start normally and then had quite a noticeable shaking idle...also as i started out the car didnt sound the same on acceleration either
i have a budget exhaust (CA spec) w/ greddy catback and as you all know, your car has a distinct sound and it just wasnt right...my SES light comes and goes and everytime i check it, it shows up as a P0420. Its been on but for the first time today the SES light was blinking as i headed home
oh and my car is at 99.5k miles
so i was thinking maybe i blew my MAF, but the car didnt die even while idling at a red light
so then maybe ignition coils?
maybe motor mounts or the bushings?
any help would be greatly appreciated
thanks guys
basically i woke up this morning and went to the gym with no problems...when i turned the car on to come back home i noticed it didnt start normally and then had quite a noticeable shaking idle...also as i started out the car didnt sound the same on acceleration either
i have a budget exhaust (CA spec) w/ greddy catback and as you all know, your car has a distinct sound and it just wasnt right...my SES light comes and goes and everytime i check it, it shows up as a P0420. Its been on but for the first time today the SES light was blinking as i headed home
oh and my car is at 99.5k miles
so i was thinking maybe i blew my MAF, but the car didnt die even while idling at a red light
so then maybe ignition coils?
maybe motor mounts or the bushings?
any help would be greatly appreciated
thanks guys
Last edited by MaxedOut2g; 09-26-2007 at 03:23 PM. Reason: needed to add mileage
#5
hey thanks for the responses guys....im gonna take a look at all those things;
but a little more updating information
so about 2 hours after i got home from the gym i went to go try the car out again and no problems whatsoever
the vibrating was gone, as was the abnormal engine/exhaust sound
my dad was able to get his hands on an OBDII
and i pulled up some codes...since it was my first time using it im not sure if i used it correctly but this is what i got
Read Codes:
P0138 O2S Hi volt (Bank 1 Sensor 2)
P0139 O2S Low (Bank 1 Sensor 2)
P1320 Manufacturer check
and under Pending Codes:
P0306 Misfire detected (cylinder 6)
so it looks like combination of ignition coils and O2 Sensors?
before i take it to my dads mechanic jst wanna know what im expecting
thanks again guys
but a little more updating information
so about 2 hours after i got home from the gym i went to go try the car out again and no problems whatsoever
the vibrating was gone, as was the abnormal engine/exhaust sound
my dad was able to get his hands on an OBDII
and i pulled up some codes...since it was my first time using it im not sure if i used it correctly but this is what i got
Read Codes:
P0138 O2S Hi volt (Bank 1 Sensor 2)
P0139 O2S Low (Bank 1 Sensor 2)
P1320 Manufacturer check
and under Pending Codes:
P0306 Misfire detected (cylinder 6)
so it looks like combination of ignition coils and O2 Sensors?
before i take it to my dads mechanic jst wanna know what im expecting
thanks again guys
#6
I thought P1320 was multiple cylinder misfire, I could very well be wrong though. I'm throwing a cylinder misfire code and I just received my coils tonight from Dave B. They were 395 shipped for all 6 updated (grey dot) coils. You might want to get them from him if it does end up being the coils
#7
P1320 is actually the Ignition Signal code, very often seen with a duff coil. You've also got the clincher......the P0306.....change the No. 6 coil. Forget the O2 sensor. If you're going to hang on to the car a lot longer and the coils haven't been changed out already, change them all. Remember when troubleshooting........change one "thing" at a time.
#11
I'm having the same problem as MaxedOut2g. Since coils are pretty expensive (if I were to buy 6 of them), I was thinking about finding the failing coil and changing only the particular one. Nissan Dealer told me to replace 6 coils and 6 spark plugs but the mechanics I go to says that I probably need just one coil to replace.
Any comments are greatly appreciated.
Any comments are greatly appreciated.
#14
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You need to change out all your cols before your engine takes a crap on you just get a hole set of ebay for like 300 bucks. Once one fails the others will follow just replace all at once and be done with it.
#16
blinking? i've never seen mine blink. it goes away sometimes (for few days) and comes back on whenever it shakes.
#17
Thanks for the advise. Will replace 6 of them. Should I replace the spark plugs also?
I have 130k miles and I think I have the original coils and plugs.
One thing I noticed is that sometimes it would shake like it's pulling forward and backward when I accelerate when the engine is cold. Once it gets warmed up - normal. I imagine the behavior is resulted from the bad coils.
I have 130k miles and I think I have the original coils and plugs.
One thing I noticed is that sometimes it would shake like it's pulling forward and backward when I accelerate when the engine is cold. Once it gets warmed up - normal. I imagine the behavior is resulted from the bad coils.
#19
Thanks for the advise. Will replace 6 of them. Should I replace the spark plugs also?
I have 130k miles and I think I have the original coils and plugs.
One thing I noticed is that sometimes it would shake like it's pulling forward and backward when I accelerate when the engine is cold. Once it gets warmed up - normal. I imagine the behavior is resulted from the bad coils.
I have 130k miles and I think I have the original coils and plugs.
One thing I noticed is that sometimes it would shake like it's pulling forward and backward when I accelerate when the engine is cold. Once it gets warmed up - normal. I imagine the behavior is resulted from the bad coils.
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