BadTouch Posted October 23, 2011 Share Posted October 23, 2011 I was driving my car tonight and it suddenly lost all power, i still had the rpms up but i had no throttle at all. So i slowed to a stop and didnt even hav to turn the key all the way off, and it would just start right back up. Im still a bit confuzed with the boxer motor, the only thing ive done any building on was a duramax diesel. I didnt do hardly any of the wrk on the car myself, ive been tryin to locate the old owner who traded it at the dealer were i bot it but havnt had any luck with it so i dont even no the extent of wut all is done to it Link to comment Share on other sites More sharing options...
Kodax Posted October 23, 2011 Share Posted October 23, 2011 I am not GT expert but any CEL came on? How many mileage do you have on your car? Sounds like an electrical problem to me. Then again, I am no expert. Link to comment Share on other sites More sharing options...
Mega Users LieutenantDan Posted October 23, 2011 Mega Users Share Posted October 23, 2011 Any sounds, smoke, vibrations, hissing, rattling? Check your oil or coolant? Do you know anything about your turbo like where it is, what it does? Link to comment Share on other sites More sharing options...
BadTouch Posted October 23, 2011 Author Share Posted October 23, 2011 It did a funny rattle for like hardly two seconds wen i was in first and about to a stop. And ya the cel came on wen it did it. I havnt checked fluids yet i will today wen i get the chance. It has around 91000 miles on it. Link to comment Share on other sites More sharing options...
lee07 Posted October 23, 2011 Share Posted October 23, 2011 Bad Catalytic Converter, maybe?. Bad/Wrong Gas(gt's need premium) Link to comment Share on other sites More sharing options...
ScoobyXJ Posted October 23, 2011 Share Posted October 23, 2011 Clean your mass airflow sensor, could be that. Link to comment Share on other sites More sharing options...
OutbackXT05 Posted October 23, 2011 Share Posted October 23, 2011 And also scan that cel. Itll give you an idea of where to start looking Link to comment Share on other sites More sharing options...
BadTouch Posted October 23, 2011 Author Share Posted October 23, 2011 ive ran premium fuel in it since ive had it. i wasnt sure if the mass airflow was cleanable i no my buddy has a car that u cant but i will if it aint hard on it im gona try it. i did that on my last vehicle and seemed to make a diffrence so ill hav to try it. i ges most places will b able to hook to my car for checkin cel i dont hav anything to check it myself yet Link to comment Share on other sites More sharing options...
Max Capacity Posted October 23, 2011 Share Posted October 23, 2011 These cars are fly by wire throttle. You may have a problem there. Or TPS sensor. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
DriverX Posted October 23, 2011 Share Posted October 23, 2011 A little punctuation would be nice... If the CEL light came on, there might be code. Have it scanned... Link to comment Share on other sites More sharing options...
tcpombomb Posted October 27, 2011 Share Posted October 27, 2011 auto or manual? Link to comment Share on other sites More sharing options...
2.5GT_dude Posted October 27, 2011 Share Posted October 27, 2011 A little punctuation would be nice... If the CEL light came on, there might be code. Have it scanned... Amusing. So much for follow through. Try to get the code pulled that way everybody is not bench analyzing your problem. Link to comment Share on other sites More sharing options...
Will816 Posted October 27, 2011 Share Posted October 27, 2011 The fact that it's a boxer motor probably has little (or nothing) to do with what is wrong. Could you mean that you're confused with gasoline engines in general? If that's the case I understand, those diesels don't have anything like airflow sensors, throttle plates, etc. Not that they are any less complicated, just different. Probably best to get the code checked. Link to comment Share on other sites More sharing options...
ehsnils Posted October 27, 2011 Share Posted October 27, 2011 The fact that it's a boxer motor probably has little (or nothing) to do with what is wrong. Could you mean that you're confused with gasoline engines in general? If that's the case I understand, those diesels don't have anything like airflow sensors, throttle plates, etc. Not that they are any less complicated, just different. Probably best to get the code checked. Modern diesels are as complicated as gasoline engines with MAF:s and stuff, some even has EGR:s and in the more advanced versions where they are trying to get down the emissions even more they use NOx reagent fluid (artificial pee) that is injected into the exhaust system. And they use a boost of 40 to 60 psi... Link to comment Share on other sites More sharing options...
BadTouch Posted October 27, 2011 Author Share Posted October 27, 2011 im feelin a bit dumb:/ im wonderin if it wasnt just low fuel. the fuel light had turned on about three miles before it did it. but i started it and ran another 10 miles probly. thats the only reason y i didnt think that was what it was. but i fueled it up and now it hasnt done it since:redface: Link to comment Share on other sites More sharing options...
BadTouch Posted October 27, 2011 Author Share Posted October 27, 2011 auto or manual? Its manual Link to comment Share on other sites More sharing options...
Will816 Posted October 27, 2011 Share Posted October 27, 2011 Modern diesels are as complicated as gasoline engines with MAF:s and stuff, some even has EGR:s and in the more advanced versions where they are trying to get down the emissions even more they use NOx reagent fluid (artificial pee) that is injected into the exhaust system. And they use a boost of 40 to 60 psi... Oh I know, and they also have compression ratios that are sky high (although they have dropped a bit in recent years for emissions purposes), A/F ratios that are all over the place (because they are fuel throttled, not air throttled) and fuel pressure at the injector tip as high as 30,000psi... I know my diesels pretty well for someone who doesn't make a living in the industry. Like I said, I wasn't saying they are less complicated, just different. I was more curious if the OP meant boxer engines or gasoline engines because a boxer engine shouldn't be more confusing in the driving experience than any other gasoline engine. Link to comment Share on other sites More sharing options...
copenhagen6123 Posted October 27, 2011 Share Posted October 27, 2011 If you ran it out of gas it wouldnt have started back up, just saying.... CEL first so we all have a better idea of whats going on. Hard to e-diagnose without anywhere to start. For your sake I hope its nothing to serious, cause as most leggy owners know parts arent exactly cheap. Link to comment Share on other sites More sharing options...
LegacySleeper Posted October 27, 2011 Share Posted October 27, 2011 I have a 2005 legacy gt limited... I have had this problem on two different occasions... the first time was like a week after buying the car... i cant recall too well, few years ago... but the 2nd time was quite recent... i was heading home from a cabin party about an hour away... i was speeding, having a good time as usual in my car, and all of a sudden right as i give it full throttle to pass this jack ass, it did it again, all the dash lights come on, and u have no power what so ever, so i roll to the e-lane, and i just shut off, and turns back on with no issues what so ever.... oh, now i recall the frist time, it was me getting on an on ramp, and again, i was beating the shit out of my car.. now im one to take care of my car so dont take me the wrong way, but i like to have fun from time to time... it did the same thing on the on ramp... still to this day, after getting it checked by my friends who are mechanics and went to performance car schools graduated, cant even begin to think of the issue here... if anyone else has had similar issues i'd appreciate the response to my post... thanks Link to comment Share on other sites More sharing options...
BadTouch Posted October 29, 2011 Author Share Posted October 29, 2011 The check engine light only was on for a little while, and so now its off. Link to comment Share on other sites More sharing options...
BadTouch Posted October 29, 2011 Author Share Posted October 29, 2011 I have a 2005 legacy gt limited... I have had this problem on two different occasions... the first time was like a week after buying the car... i cant recall too well, few years ago... but the 2nd time was quite recent... i was heading home from a cabin party about an hour away... i was speeding, having a good time as usual in my car, and all of a sudden right as i give it full throttle to pass this jack ass, it did it again, all the dash lights come on, and u have no power what so ever, so i roll to the e-lane, and i just shut off, and turns back on with no issues what so ever.... oh, now i recall the frist time, it was me getting on an on ramp, and again, i was beating the shit out of my car.. now im one to take care of my car so dont take me the wrong way, but i like to have fun from time to time... it did the same thing on the on ramp... still to this day, after getting it checked by my friends who are mechanics and went to performance car schools graduated, cant even begin to think of the issue here... if anyone else has had similar issues i'd appreciate the response to my post... thanks I wasnt getting on it at all. I was just runnin 70 and wasnt gainin speed or lettin off. Link to comment Share on other sites More sharing options...
BadTouch Posted October 29, 2011 Author Share Posted October 29, 2011 Oh I know, and they also have compression ratios that are sky high (although they have dropped a bit in recent years for emissions purposes), A/F ratios that are all over the place (because they are fuel throttled, not air throttled) and fuel pressure at the injector tip as high as 30,000psi... I know my diesels pretty well for someone who doesn't make a living in the industry. Like I said, I wasn't saying they are less complicated, just different. I was more curious if the OP meant boxer engines or gasoline engines because a boxer engine shouldn't be more confusing in the driving experience than any other gasoline engine. I was meanin any small gas engine. Ive rebuilt a chevy 350 before, but as you know, these things have a lot more electrical than a 1984 350 Link to comment Share on other sites More sharing options...
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