G35 Sedan V36 2007- 08 Discussion about the 2nd Generation G35 Sedan 2007 - 08

Car starts but stalls immediately

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Old 02-18-2019, 09:41 PM
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Car starts but stalls immediately

Hey guys I am at my wits end thankfully I have other vehicles and am not stuck with this as my only car.

A few months ago I went to drive the car after a long weekend and the car felt sluggish hesitated and bucked so I brought it back home and shut it off.

When comming back to start it the car would start but stall pressing the throttle and keeping the rpm way up above 4k would keep it running but couldnt get it in gear. Code was throwing a cam sensor.

Fast forward I have changed both cam sensors. One on the pigtails broke so I had to replace that as well. (Took forever to find the right one). No change. Read somewhere that it could be MAF took those out and cleaned the. Cleaned the TBs. Now car starts but when given throttle it sputters pops and dies like there is a lack of fuel.

read that it could be the vvt solenoids...changed both of those. No change car still starts fine, stalls. When given gas it struggles and dies cant keep it running.

Thought it might be a fuel issue. Chnaged the pump. Still the same problem. Main issue is it's cold here in NY and I cant drive it to a shop. Its stuck in my driveway.

any input would help! Thanks
 
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Old 02-18-2019, 09:57 PM
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Did you use an OEM or Hitachi sensor? If not that's probably the issue. Aftermarket sensors are pretty much all junk so you MUST go with either the OEM or a Hitachi (who was the OEN supplier for the first two revisions the sensors went through).
 
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Old 02-18-2019, 10:02 PM
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No I went with generic. Code doesn't show up anymore though. Probably because the car wont run for more than 7 seconds
 
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Old 02-19-2019, 02:55 AM
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Do you have all your intake tubes and hoses installed?

My car will not stay running without the intake installed.
 
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Old 02-19-2019, 10:31 AM
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Yes all intake tubes are connected car is 100% stock.
 
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Old 02-26-2019, 12:53 PM
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My car was stalling in reverse, and I found thin but long cracks at the ends of my intake tubes. I taped them with duct tape and it hasn't stalled since. I am waiting for a decent weather day to install Z1 post maf tubes I bought.
 
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Old 02-26-2019, 01:10 PM
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Thanks for the input guys. I did fix this the other day. I hate unresolved threads.

Seems the cam sensor code and the thing causing the car not to run were unrelated. After replacing all the sensors with OE denso sensors the code went away but car still wouldn't run for more than a few seconds.

Took each MAF out and cleaned them with CRC. Lo and behold one sensor was fine and the other had a chunk of fine filter fabric caught deep inside. This was apparently enough to skew the AF ratio enough to cause the car not to run while also not throwing any codes. Cleaning this fiber out completely eliminated the problem and the car runs great.
 
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Old 02-26-2019, 01:24 PM
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Wierd? was it part of the air filter element that disintegrated? Glad you got it all worked out finally.
 
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Old 02-26-2019, 01:30 PM
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It most definitely was filter element from the cheap paper filter. Make a note always use a dry cotton filter. Oiled filters foul the MAF and paper filters disintegrate. Or just change your cheap paper filters regularly.
 
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Old 02-26-2019, 02:58 PM
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Oiled air filters only contaminate the MAF if the person cleaning it doesn't know what they're doing. I've used them since K&N oiled filters became popular in the 90's and have never had an issue.

Both options are fine though it's mostly a matter of preference.
 
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Old 02-26-2019, 04:32 PM
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Cool! I use them all the time. Except the cars I build can suck a whole bottle of filter oil in without affecting much of anything.
 
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Old 02-26-2019, 06:03 PM
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Gotta love those mechanically driven marvels
 
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