I have a 98 Ext Cab 1500 with the 5.2 auto and was the victim of bad gas. She wouldnt start normally and then when she did, she would spit and sputter until she finally started. Took a minute or two but it would finally start running smooth. I put some octane boost and seafoam in the gas and topped it off with premium. I then proceeded to run the gas out of the tank.
After a few days, went to get into it after work and it gave the same problem with trying to start. Finally, after some huffin and puffin and spittin and sputterin, she started, but now she had a terrible tick/knock coming from the drivers side. Then, the CEL started flashing. I stopped and check with a code checker and it said that #7 was misfiring. Limped her home, checked/changed the plug and wire. No improvement. I was down to less than 1/4 tank so I refilled with premium and put an injector cleaner into the tank.
Im on my third tank with injector cleaner and the CEL stopped flashing all the time. It only comes on when under a heavy load. I seems to be idling ok and no backfiring, just the annoying tick/knock on the driver side of the engine. Code checker still reads #7 misfire code.
I have read and looked all over the forum and havent read anything like this happening to anyone else. I know it was the bad gas that caused the initial problem, but I need to know where to go from here.
If I drive it normally, the CEL never appears, but the ticking remains. It does seem to get a little more quiet at idle, but not much.
Any ideas or suggestions would be appreciated!
BTW, she has 152K on the odo and just had her oil changed recently. This problem didnt show up until after the bad gas. Thank you all for any assistance you can provide!
Tim
After a few days, went to get into it after work and it gave the same problem with trying to start. Finally, after some huffin and puffin and spittin and sputterin, she started, but now she had a terrible tick/knock coming from the drivers side. Then, the CEL started flashing. I stopped and check with a code checker and it said that #7 was misfiring. Limped her home, checked/changed the plug and wire. No improvement. I was down to less than 1/4 tank so I refilled with premium and put an injector cleaner into the tank.
Im on my third tank with injector cleaner and the CEL stopped flashing all the time. It only comes on when under a heavy load. I seems to be idling ok and no backfiring, just the annoying tick/knock on the driver side of the engine. Code checker still reads #7 misfire code.
I have read and looked all over the forum and havent read anything like this happening to anyone else. I know it was the bad gas that caused the initial problem, but I need to know where to go from here.
If I drive it normally, the CEL never appears, but the ticking remains. It does seem to get a little more quiet at idle, but not much.
Any ideas or suggestions would be appreciated!
BTW, she has 152K on the odo and just had her oil changed recently. This problem didnt show up until after the bad gas. Thank you all for any assistance you can provide!
Tim