Still missing. Changed coils and plugs and reset codes. Why??
My chech engine light is blinking on
my 01 DTS northstar. I had it scanned
and said missing on cylinder 6. I
replaced the coil pack and changed
all the plugs. Still runs rough but
power is still there and drivable. What
is my next step? I like to do things
myself but this is beyond me and it's
been a great car and perfectly
maintained. 130000...please help!!!
Did you check or replace the injector? did you perform a compression test on #6?
I have not done a pressure check. After I changed the coil it jumped from 6 to 2. Changed the plugs and didn't do crap. Pulses different in reverse than in drive. Less. I'm hoping it's something simple. Probably not injector because it jumps cylinders correct?
I have to keep driving it. Am I doing irreparable damage to the car by running it with a blinking check engine light? The check engine light was on before but it was for an O2 sensor then a month or so went by and started blinking and here I am.
flashing because of misfire.(raw) un-burned fuel can damage the catalytic converter.you say you switched injectors and the misfire moved?
I changed the coil and plugs and the misfire changed.
OK so the injector could be bad? correct?
I guess.. your saying the injector on the 6th ? That's what cylinder came first. I then changed all plugs and front coil, ran test and it changes to the 2nd. There are injectors or each cylinder right? Would there be a way to test the injector for each. I'm going to try to find a vac leak tonight with starting fluid. What would you advise I do next?
Just power and pulse at injectors other wise you need to replace them.don't use starting fluid to test for a vacuum leak way to flammable!! use brake cleaner. Also you need to check compression or your just spinning your wheels.
I got same problem but when the engine reaches temp is when my engine light starts flashing but when its cold it runs fine i only got 90k on it never ever had problems before this some dude said change coil packs and someone said change the egr valve i have yet to do anything to mine until i figure out the direct problem i have P0300 code coming up its like its not breathing when it reaches engine temp its probaly the gaskets idk tho i put atleast 3000 into my car then all a sudden this shit happens so im just like wtf and dont wanna put in money for parts if its not it it just might be plugs and boots on mine there still original boots and plugs on mines everything original tryin buy new parts little by little for it mines is a 2000 cadillac deville dhs too
