2004 Chevrolet TrailBlazer "check ignition coils 04" Questions

...check. Hope this helps. You have the most common issue on here, other than all the fords with ignition coil problems PO171---System too lean (Bank 1) that would be the pass side It is an O2 Sensor ...

...ignition problem.Is the check engine light on ?  Have you checked for trouble codes ?It could be a relay, the ignition module, coil, fuel pump, or a list of other things.Could even be a problem ...

Check out some of my other posts if you need more tips and info." http://easyautodiagnostics.com/gm/2.2L/how-to-test-the-ignition-coil-pack-1 Going to test the coil packs tomorrow How Saturn Spot http

...Ignition timing would be #1 on the list. Also check your plug wires, or change them. Check your air filter, and change the fuel filter. It could also be your egr system, faulty ignition coil, or a ...

...ignition coil on cylinder num 6on my 04 jeep grand cherokee try switching with another coil from a cylinder that is working fine if it fixes prob. then replace coil. if not try checking the fuel ...

...cleaner first,Lucas is the best. do you have scanner capable of misfire monitor, if not try swapping ignition coil from 1 to another cylinder and check code again. (assuming direct ignition of

alternator checked. The voltage regulator may be failing causing spikes in the voltage, which will blow fuses (and possibly damage other things). Another thing to check is the ignition coil for shorts

...with key on. If no power at coil, check ignition fuse and relay. If you have power but no spark coming from the coil, the problem is the coil or the ignition modulator. Any questions, please

...ignition coil D primary secondary circut. Change with a new coil didn't help. Swap with a differnt coil on motor that was working, still cyd. #4 not firing. Check wires w/omh meter no breaks. ...

...check the fuel pressure if the spark is ok, the ignition is the ,most common issue. Comment posted on Mar 04, 2009 also check the fuel pressure if the spark is ok, the ignition is the ,most common ...