Forum Replies Created
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Getting closer to a solution. Seems to be running better,but still iffy starting with first turn of the key and excellerating quickly. Since I have a matching Impala for parts I decided to just replace alot of it.
As soon as i shift from park to drive it instantly starts to miss fire and tries to die.List so far of parts changed.::::::
-used-
6 fuel injectors and rail
MAF Sensor
Cleaned Throttle Body
-new-
6 Spark Plugs and Wires
New Gaskets
Fuel Filter (Installing Now)Getting closer to a solution. Seems to be running better,but still iffy starting with first turn of the key and excellerating quickly. Since I have a matching Impala for parts I decided to just replace alot of it.
As soon as i shift from park to drive it instantly starts to miss fire and tries to die.List so far of parts changed.::::::
-used-
6 fuel injectors and rail
MAF Sensor
Cleaned Throttle Body
-new-
6 Spark Plugs and Wires
New Gaskets
Fuel Filter (Installing Now)After changing it all and reseting the Light it only pops up with one code. A Mass Air Flow sensor code. says its low volt or something like that. Is the MAF controlled by the BCM in my 04 Impala
After changing it all and reseting the Light it only pops up with one code. A Mass Air Flow sensor code. says its low volt or something like that. Is the MAF controlled by the BCM in my 04 Impala
on way to parts store for fuel filter and new spark plugs now.. Ill get the CEL while im there. Air Filter is new. see if they can test my fuel pressure also.. Post results in a little while.
on way to parts store for fuel filter and new spark plugs now.. Ill get the CEL while im there. Air Filter is new. see if they can test my fuel pressure also.. Post results in a little while.
Well it starts better now but there is still a problem. I replaced the Injectors, MAF sensor, and the Fuel Regulator.
I plugged and unplugged the MAF sensor and the idle changes so im pretty sure its working.
With MAF sensor plugged in —It will rev up in Park or Nuetral just fine, but when i put it in Drive and go to take off it sputters/acts like its miss firing, then it out of it and takes off, but a few blocks down the road it losses all power and just sputters like crazy.
With MAF sensor unplugged — same thing in Nuetral and Park. Put it in Drive and it sputters a little and then takes off and runs great.
Plus i have noticed a clicking sound coming from the area of the Coil Packs. Could i possibly have a coil pack going out?
Well it starts better now but there is still a problem. I replaced the Injectors, MAF sensor, and the Fuel Regulator.
I plugged and unplugged the MAF sensor and the idle changes so im pretty sure its working.
With MAF sensor plugged in —It will rev up in Park or Nuetral just fine, but when i put it in Drive and go to take off it sputters/acts like its miss firing, then it out of it and takes off, but a few blocks down the road it losses all power and just sputters like crazy.
With MAF sensor unplugged — same thing in Nuetral and Park. Put it in Drive and it sputters a little and then takes off and runs great.
Plus i have noticed a clicking sound coming from the area of the Coil Packs. Could i possibly have a coil pack going out?
will do that. just bought me a complete but wrecked 04 Impala for $200. will know tomorrow exactly what the problem was as im gonna switch out every part i can..
will do that. just bought me a complete but wrecked 04 Impala for $200. will know tomorrow exactly what the problem was as im gonna switch out every part i can..
yes check engine light is on. i have pulled the vacuum line off while not running and running. No gas at all seems to be coming out there
updated intel-
-I went for a drive tonight. started out fine then went to get on interstate and it just sputtered and wouldnt excell at all. i pulled over and unplugged the MAF Sensor plug. got back in and it sputtered away and then took off down the highway. Still unable to get on it good when taking off and passing cars. It just hesitates tell you let off the pedal.
-i just had neighbor hook up his code scanner and its reading 1 or more bad fuel injectors, and #1 bank is running lean.
-Also it has a Fuel Regulator from a 3.1L engine in it. Has been in it for about 15 months and it ran great up tell a month ago.Can injectors be fixed by cleaning them? Did the 3.1L fuel regulator mess up my injectors? Any advice and Help is appreciated.. Thanks
yes check engine light is on. i have pulled the vacuum line off while not running and running. No gas at all seems to be coming out there
updated intel-
-I went for a drive tonight. started out fine then went to get on interstate and it just sputtered and wouldnt excell at all. i pulled over and unplugged the MAF Sensor plug. got back in and it sputtered away and then took off down the highway. Still unable to get on it good when taking off and passing cars. It just hesitates tell you let off the pedal.
-i just had neighbor hook up his code scanner and its reading 1 or more bad fuel injectors, and #1 bank is running lean.
-Also it has a Fuel Regulator from a 3.1L engine in it. Has been in it for about 15 months and it ran great up tell a month ago.Can injectors be fixed by cleaning them? Did the 3.1L fuel regulator mess up my injectors? Any advice and Help is appreciated.. Thanks
i have an 04 IMPALA that has the same problem. issue with mine is the BCM. Body Control Module. the yellow wire has no power coming from the BCM which has them not working. meaning i have to replace it to fix em. $350. so i fixed mine with a toggle switch, new wire, and 2 new pigtails.