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2004 Buick Rendezvous 3.4L All Windows Customer brought vehicle in with the complaint of
intermittent window operation, we were able to get windows
to fail all the time, pulled codes and found B1477 RAP
relay control circuit low and B1507 Low voltage on control
circuit, we performed test and pinpoi... |
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1995 Cadillac Eldorado 4.6L Poor Idle Quality, High Idle We replaced the IAC motor, no change. Start car, goes to
3500RPM, will go to 1000, but no lower. We took IAC off,
can lower idle by hand. We also did an idle re-learn, no
change!! HELP!! Trouble codes: 27 (Throttle Switch or Circuit Openhistory code), 52 (Defective ECMECU RAM Chip error history codde), 109 (Internal ECM Problem KAM Checksum history code). |
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1996 Cadillac DeVille 4.6L MIL Lamp on vehicle came in to shop running poor and ses light on,
originally. 6 codes stored po171, po174, po131, po138,
po151,p1139. fixed poor run with plugs, wires, and fuel
filter and cleared codes. (hoped repair would eliminate
some codes) vehicle returned with same... Trouble codes: PO131 (sig. low b1-s1), PO138 (sig. hi b1-s1), PO151 (sig low b2-s1), PO171 (sys. lean b1), PO174 (sys. lean b-2), P1139 (ho2s b-1 s-2 insufficient switching). |
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1988 Chevrolet Corvette 5.7L No Start We have this corvette here that intermittently has no
injector pulse. We have it narrowed down to a bad vats
module. When it wont start we have no signal on the vats
wire at the ecm. When it will start we have a perfect
signal. My question is, how do you get t... |
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1991 Chevrolet Pickup 5.7L charging gauge with the original alternator truck charges good 13.8 to
14.0 volts.only when u turn on blinkers or hazerd the
charging needle in the cluster starts fluctuating and
moving down at the speed of the turn flashes till it
reaches 12 volts and stops charging. after ... |
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1995 Chevrolet Camaro 3.4L Misfire GM Techs, Here is this camaro yet. Come in for misfire. Ran
tests and found #1 Injector not flowing any fuel. Spark
plug was fouled(black). Sandblasted spark plug to clean,
had good compression(not running), has good spark. Replaced
the fuel injector on #1 wit... |
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1999 Chevrolet Pickup 7.4L Poor Idle Quality, Misfire Hi Everyone and thanks in advance for the help. This truck
came to us after the customer replaced the plugs and wires
Due to a misfire.( He installed Bosch +4 plugs, I would
have used Delco's) That did not fix the problem so now it's
my problem. With 87k on th... |
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1999 Chevrolet Venture 3.4L door locks The customer came in with this van and the the doors keep
tring to unlock. I went out and the locks keep activating
in the unlock mode about 4-5 times a minute and then they
stopped, it sat here and about a half hour later it started
doing it again. I did noti... |
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2000 Chevrolet Suburban 5.3L Mechanical NO COLD AIR IN FRONT!!COLD IN REAR. THIS VEHICLE WILL NOT
BLOW COLD AIR IN THE FRONT OF VEHICLE, THE REAR A/C WORKS
GOOD. THE PRESSURES ON THIS VEHICLE READ OK, WITH AN
OCCASIONAL SURGE IN HIGH PRESSURE. THE VEHICLE HAS JUST HAD
A NEW ACCUMULATOR AND THE BLEND... |
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2001 Chevrolet Suburban 5.3L intrument cluster this truck came in customer states instrument panel lights
dont work but sometimes she hits a bump and they flash on .
Of course i thought short then i determined it was the gray
wire into the ip cluster that has no power but the only
info i have on this wire ... |
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2005 Chevrolet Tahoe 5.3L abs good afternoon
i have a 2005 tahoe 4wd here, the complaint is when you
take off from a stop the traction light comes on and the
truck will not accelerate for about 3 seconds. i checked
for codes and there is none, hooked tech2 up to watch data
and there is no... |
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2006 Chevrolet HHR 2.4L MIL Lamp on I have this 2006 HHR here that is being a nightmare! It
came in with codes P0121, P2176, P2135, and P2119. All for
the two TP Sensors after testing the ckts and driving the
vehicle trying to get it to act up we finaly replaced the
throttle body with both the T... Trouble codes: P2135 (TP Sensor 1-2 Correlation). |
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2007 Chevrolet Tahoe 5.3L rear glass please help. problem is the the rear glass on the lift gate
opens by its self when you operate the power lift gate open
and close. it will mainly pop open when its closing. one
time it popped open with just closing the driver door and
once with inserting the k... |
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2002 GMC Yukon 6.0L secutity i know passlock problems are a crap shoot but i got extra
info with this one. the MIL doesn't come on with the
ignition. the complaint is the security kicks in
occasionally leaving her stranded in 10 min intervals. BCM
kicks a B2960 sig incorrect but valid, no... |
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2001 Oldsmobile Aurora 3.5L Misfire, MIL Lamp on So this is the worst kind of problem you can have...one on
your own car... I'm in the process of buying this Aurora
from my mother in law, after telling my wife for the last
year that we didn't want to touch it cause these things are
problem pits! It set the m... Trouble codes: PO131 (O2 - 1 low), PO137 (O2 - 2 low), PO300 (Randommultiple misfire). |
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1991 Buick Regal 3.8L Poor Idle Quality, Hesitation, Stall The problem was in the computer connector, it was loose I tigh the connector and cleaned it. Thanks for your help everybody. |
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1992 Cadillac DeVille 4.9L power falls off HI Guys,
This one is on the road and doing good. I checked the cat and it was fine, so I hooked up a fuel gauge long enough to extend past the rear of the hood and lay over the driver's outside mirror and drove the thing.
The pressure at cruise was about... |
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1997 Cadillac Eldorado 4.6L No Start Thanks to the few people who responded. After much digging with the help of the alldata library, we found that the 55 volts at the climate control head was normal. This is a high voltage climate control circuit which originated from the cluster. With this clea... |
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1997 Cadillac DeVille 4.6L MIL Lamp on Thanks to all who have replied to my nightmare. Unfortunately customer has no more money for repairs. Poor individual bought a basket case vehicle that has been worked on by an individual who has no business working on or attempting repairs on anything, even a... Trouble codes: P1139 (ho2s insufficient switching bank 1 sensor 2 pre-converter), P1140 (ho2s transition time ratio bank 1 sensor 2 pre-converter), P1571 (traction control system pulse width modulated circuit no frequency), P1632 (theft deterrent system fuel disabled). |
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2002 Cadillac Seville 4.6L abs tcs Thanks so much guys the IGNITION SWITCH fixed it ,just goes to show check basics ,I should have checked positive while car was running ,we checked with connector at module disconnected .thanks again IATN ROCKS !!!
Colin |
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1995 Chevrolet Pickup 5.0L clutch THANKS FOR THE MANY RESPONSES. FOR A TIM [...] I THOUGHT I WAS THE ONLY TO HAVE SUCH LUCK PUTTING A CLUTCH IN AND NOT GETTING THE NEW CLUTCH TO WORK. I HAVE HAD OTHER CLUTCHES CAUSE BLEEING PROBLEMS THIS JUST WOULD NOT WORK. BUT THIS ONE JUST WOULD NOT WORK AFTER... |
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1997 Chevrolet Pickup 5.7L MIL Lamp on i checked the maf meter.i found the screen in front of the sensors had come loose and turned 90 degrees so that the air flowed around the screen,not through it.i put the screen back the way it should be .now the maf grams per second went from 8.5 down to 7.5.t... Trouble codes: 172 (too richbank 1), 175 (too richbank 2). |
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1999 Chevrolet Pickup 5.7L fuel after a trip to a buddy at dealership with tech 2 scan tool,we verified passlock module to be bad ,i replaced it relearn worked fine and everyones happy.thanks for yalls help |
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2000 Chevrolet Silverado 5.3L Poor Idle Quality, Misfire Thanks for all the help. The fix was a programming update. Had the programming done and let the customer drive the truck for a couple of weeks with no problem.
the update was new calibration address hesitation, sag or stumble during light to moderate accelera... |
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2002 Chevrolet Impala 3.4L carpeting thank you to all that sent me info. this car had several problems. the drain for the a/c was clogged. and also when the wind shield was replaced they did not seal the windshiled corrctly and it was allowing water to leak in . but again thank every one for thei... |
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2004 Chevrolet Venture 3.4L water in floor we pulled the carpet up and drove it for several days and never could get it to give us any kind of water problem ? this one is really strange- well after several days and a 1/2 tank of customers fuel we put him in it for a few days and he did not have any pro... |
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2005 Chevrolet Aveo 1.6L Poor Idle Quality, Stall Finally found the trouble. The yellow wire to the canister purge solenoid had broken, allowing the valve to stay open thus creating a vacuum leak, and creating the idle problem. Thanks to all who replied, especialy with the idle relearn idea, as I believe this... |
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1992 Pontiac Bonneville 3.8L no spark Hello and thank you for the great replies. As most suggested the new module I had just installed was DEFECTIVE ... aarrgh! ... I kind of figured this would be the case since it went from no spark to 2 cylinders spark after replacing it the first time. Sure eno... |
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2002 Pontiac Bonneville 3.8L Stall Hello
I have fixed this vehicle. I replaced the battery which was original. It hasn't had a problem since. Thanks for all of the great information that all of you had.
Jeff |
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2000 Saturn LS2 3.0L service engine soon Thanks to everyone who sent help on this problem, turns out the Massair sensor was the problem. The other repairs made during the trouble shooting were icing on the cake. The car runs great and shows 27mpg at 80mph with the A/C on, not bad!
Thanks to all
Gary Trouble codes: P0171 (lean bank one), P0174 (lean bank two). |
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2001 Saturn SL 1.9L engine intake gasket vacuum leak large enough to drop vacuum, fooling the ecm into thinking engine was under load, and the fuel trim correction was for a loaded condition that didn't exist. all replies suggested probs w the ect which i had experienced myself and app... |
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