2008 Pontiac Grand Prix "cylinder 1 misfire" Questions

2008 grand prix misfire in 1and 4 cylinder here is a little tip for you .....cylinder 1 and 4 are on the same coil pack

i have a cylinder misfire on #1so the coder said.it has no power i put new sparkpluges and fule filter but that did not chang anything check #1 fuel injector

...1 day later. might be cylinder head gasket leaking to combustion chamber,small leak that it can sip into combustion chamber and burn but the coolant will not burn completely so will stick to spark ...

...cylinder number 1 here you will either have a bad spark plug or a bad plug wire, or at times a bad injector or even a bad valve any way the first thing to do is to replace one plug and see if that ...

...cylinder misfire can be something as trivial as needing new spark plug wires, to having a dangerous lean condition in the fuel mixture. Assuming that you have a stock, un-modified car, with a stock, ...

...1 Customer Notification General Motors will notify customers of this special policy on their vehicles (see copy of typical customer letter included with this bulletin - actual divisional letter may ...

...cylinder, if that is the only code. Replace the oil fouled plug with a new one and see if it helps. If the plug gets fouled again, talk to your mechanic, as the possible causes I mentioned are not ...

...1 o2 bad all of a sudden, ,,, Does it give a misfire or just, system to rich? If it gives you a cylinder number trying switching a injector, if the code jumps to cyl where you swapped, replace ...

cylinder 1 and fuel injection stuck open One problem will cause another in this case.  You can try to just change the fuel injector in the number 1 cylinder and see if the misfire straightens out

misfire on cylinder 1 try changing your plug wires, and see if that works, or pour some injector cleaner in the gas, (if it's fuel injected), or replace the injector on #1 cylinder