2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

From bad to worse: Help Needed!

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Old Aug 13, 2012 | 08:25 AM
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DPveritasGold's Avatar
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From: Brenham TX
Exclamation From bad to worse: Help Needed!

So this weekend the issues I was having with my engine stumbling and throwing P0101, P0106, and P0236 went from bad to worse. I started my car and then at idling the boost gauge would bounce up and down about 10 inHg once per second. The RPM’s were bouncing up and down from 1k all the way down to like 500. I could barely drive the car without the engine dying. Basically, if I actually got it to accelerate, the second I hit the clutch the engine would drop to 0 RPM’s (on the tachometer) and then if I hit the throttle quickly it would rev back up again but then a few seconds later would die if I didn’t give it more throttle. I barely made it home and it was a 5 minute drive lol. Another thing I noticed was that when the car would die that red oil light would flash on and off. I think I have too much oil in the car, but I don’t think that’s the real problem because it’s been like that since the last oil change.

Please help, I have no clue what’s going on. Thanks
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Old Aug 13, 2012 | 08:33 AM
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sounds like the issue i was having, i repplaced my tb and it fixed the idleing issue
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Old Aug 13, 2012 | 08:50 AM
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From: Alaska
TB, crank position sensor, or crankshaft position sensor maybe
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Old Aug 13, 2012 | 08:57 AM
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From: Brenham TX
Originally Posted by turbosmart4
TB, crank position sensor, or crankshaft position sensor maybe
I'm not aware of where those sensors are. Are they difficult to get to? Pics would be great if you have them
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Old Aug 13, 2012 | 09:21 AM
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From: Fruit City, Texas
One of the crankshaft position sensors is behind the starter. Not really hard top get to, just a pain in the butt. Some people have had some luck getting it changed without taking off the starter....I was not one of those people haha
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Old Aug 13, 2012 | 09:35 AM
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From: Alaska
Have u checked the throttle bodyh clamp that may have been disconnected during oil change?
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Old Aug 13, 2012 | 09:39 AM
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Also check that your oil cap is back on. I had my dealer ******* forget to do that and drove for two days before my cel came on. Ran like **** for two. Similar problems.
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Old Aug 13, 2012 | 09:43 AM
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From: Alaska
Also check boost sensor and solenoid in front of turbo that may have some oil spilled on it. And also the intake , check to see if its properly installed.
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Old Aug 13, 2012 | 09:57 AM
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From: Alaska
P0101 MAF sensor performance
P0106 MAP sensor voltage out of range detected at startup (bad sensor or wiring)
P0236 TC boost system

P0101 MAF sensor performance
P0106 MAP sensor voltage out of range detected at startup (bad sensor or wiring)
P0236 TC boost system

Last edited by turbosmart4; Aug 13, 2012 at 09:57 AM. Reason: Automerged Doublepost
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Old Aug 13, 2012 | 10:33 AM
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From: Brenham TX
Originally Posted by turbosmart4
Have u checked the throttle bodyh clamp that may have been disconnected during oil change?
I changed the oil and didn't disconnect anything. All you gotta do is take out the drain plug. Is the clamp you're talking about the hose clamp for connecting the lower charge pipe to the IM?
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Old Aug 13, 2012 | 04:15 PM
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From: Brenham TX
On another note, could a boost leak cause something this severe? I did a boost leak test last week and didn't hear any hissing, but I've heard of people not finding them on the first try.
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Old Aug 13, 2012 | 06:22 PM
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From: Kathmandu
Because the boost leak test wasn't successful, I would say you need to pull the bumper cover and get a good look at the intercooler tanks/hose fittings.
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Old Aug 14, 2012 | 08:44 AM
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From: Brenham TX
Originally Posted by SSlobalt
Because the boost leak test wasn't successful, I would say you need to pull the bumper cover and get a good look at the intercooler tanks/hose fittings.
Yeah I think I'll definitely do that along with the soapy water trick. I drained some oil last night and when I drove it around it actually did well. But knowing how things have gone with this car it's probably a total coincidence.
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