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1987 Buick Electra 3.8L Extended crank time
This vehicle has an extended crank time when cold, or after
its been setting for a couple of hours. It has spark and
fuel pressure when the problem occurs. Other wise it runs
great. It also seems to have a longer than I think it
should crank time even after se... |
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2002 Buick LeSabre 3.8L Misfire
Hey Guys I have good one. this Lesabre miss's and sounds to
be popping back threw the intake, only when hot and under
heavy load. When it is missing the 18X signal looked funny
and replced the CKP sensor, no change. The o2's go dead
lean. ( fuel pump wave look... Trouble codes: P0300. |
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1990 Cadillac DeVille 4.5L Cuts out, BACKFIRE
hi guys,
really stumped on this one. this car backfires through
intake and exhaust at idle mostly when cold. we put a spark
tester on cap and we are seeing erratic spark on all
cylinders. cap and rotor were old so we replaced them.
looking at inside dist saw ... |
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1998 Cadillac Eldorado 4.6L Stabilitrak
This vehicle exhibits unwarranted Stabilitrak engagment
while driving. This mostly occurs while turning left about
25 MPH, however it will also occur while driving straight
under light acceleration. Sometimes the "STABILITY ENGAGED"
message appears on the HUD,... |
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1999 Cadillac DeVille 4.6L Misfire
Group,
A misfire on 1 entire bank on a new engine...
Installed new factory longblock for headgasket issues and
smoke. Installation went smooth dropping cradle. New Delco
secondary plugs and wires, routed and sheilded. Have a
misfire only at idle and smooth w... Trouble codes: 300B (random misfire on rear bank 1-3-5-7 only), 1376 (ignition module grounding issue). |
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1987 Chevrolet Corvette 5.7L engine cradle
Have already referenced All-data and Mitchell for
information pertaining to the removal and replacement of
the engine cradle on this vehicle. Neither source provided
any. If anyone can help me with a removal procedure for
this cradle and/or some idea of the ti... |
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1998 Chevrolet Tracker 1.6L MIL Lamp on
This tracker came in on friday for a po400 code egr flow
excessive tested the valve with a vacuum pump , engine
stalled at 4"hg. pressure transduce had a leak in it,
replaced it also the egr solenoid valve was bad also
replaced it, tested the egr diagnostic va... Trouble codes: PO400 (egr excessive flow a). |
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1998 Chevrolet Pickup 5.0L brake pedal
this is a friends truck. pedal heidth has beeen an issue
since day one. replaced pads and machinedrotors
thistime.pedal is spongy, and not very effective. light
pedal pressure will holdtruck at stop and in gear. but
application of petal at speed results in too... |
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1998 Chevrolet Pickup 7.4L fuel gauge erratic
the problem is that the balance module does not always pump
from the rear tank, and that the fuel guage is erratic. i
can see how the balance module effects the gauge, when i
vary the voltage at the purple wire going to the vcm, the
guage moves up and down. ha... Trouble codes: P0462 (fuel level sensor). |
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1999 Chevrolet Express 5.7L reverse
Vehicle is part of a fleet that we service. Van has 150000+
miles but has been serviced regularly including
transmission flush with BG flush and syn. fluid every
30,000 miles. Transmission is a 4L80e with no codes and
ever gear works perfect with perfect shift... |
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2001 Chevrolet Malibu 3.1L Starting
Hello, We are looking for info on disarming the security
system. Dealer says it can not be disarmed. It has been
problematic. When customer tries to start vehicle sometimes
theft light will be flashing and will not start. Let sit
for ten minutes till light goe... |
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2001 Chevrolet Suburban 6.0L engine
hi everyone,i'm working on trying to remove this engine &
i'm left with the very top centre bell housing bolt i can't
get at.does anybody have any tricks to getting at this one
besides dropping the rear of the trans down.any help would
be greatly appreciated.t... |
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2004 Chevrolet TrailBlazer 4.2L parking lights
hi every one i have a 2004 trailblazer and the parking
lights stay on all the time i pulled 4 fuses and the park
lamp relay and they stayed on then all of a sudden 3 went
off and only the left rear was on i was going to pull the
lens and when i opened the lift... |
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2003 GMC Yukon XL 6.0L ride control
Hello and thank you in advance. I have a customer with a
service ride control message on. I scan the vehicle and
find I have no communication with the ESC module in the
rear of the truck. I tested the inputs on the module from
the info in alldata. I then conde... |
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2002 Saturn LW200 2.2L MIL Lamp on
Extracted PO440. Can operate both purge and vent solenoids
with brick scanner. Getting plenty of vacuum through purge
solenoid when commanded on. System holds vacuumwith both
solenoids commanded on. Releases vacuum when vent solenoid
is commanded off. FTP sens... Trouble codes: PO440 (Evap emissions system fault.). |
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2008 Buick Enclave 3.6L sir
after talking to ac delco's tech line I had to send this one to the dealer.The dealer tech couldn't program it either so he called gm's tech support.I spoke to the dealers tech,he said that the engineers at gm told him that there're 5 modules that have to be p... |
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1999 Cadillac Escalade 5.7L Control Head
Sort of fixed. We did put a high pressure switch in compressor, tracked light green wire back to bulkhead connector, tracked dark green wire back to PCM, and still popped another control head. Internal diagrams of control head are flat out incorrect out of ALL... |
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1967 Chevrolet camaro rs 327CID headlights wont close
the prolem was under the dash. The diode was faulty and replaced. To check if it was bad I bypassed it and all worked fine.
Thank you for all your help |
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1997 Chevrolet S10 Pickup 4.3L Hesitation
Found fuel pump to be bad,after running 10 minutes or so the pressure would fall to below 20 psi.replaced with another new one and solved problem Trouble codes: P0131 (o2 sensor bank 1 sensor 1 low voltage). |
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1998 Chevrolet Lumina 3.1L compressor
Thanks Gentlemen, that was all good advice from all of you, i think i have come to the conclusion to skip on the re-sealing, like we said,i dont want to marry this job, and have a come back, thats like a ding on your credit score, you may not loose them, but a... |
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2003 Chevrolet Corvette 5.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on
Here's the state of this "problem child" vehicle. For various reasons, the engine was put back to stock configuration. The problem was exactly the same. A GM field engineer was called in on the job and he pretty much repeated the testing that was done with ver... Trouble codes: P0300 (Random Misfire). |
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2004 Chevrolet TrailBlazer 4.2L reduced power light
Thank you for all your time and ideas. I fixed this trailblazer(with the help of you) by sending it to the dealer for a flash. My first problem was I was running last quarters verison on aldata, I insyalled my updates and the flowchart for P1680 was complet... Trouble codes: P1680 (Driver 5). |
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2005 Chevrolet Express 6.0L abs module
THANKS FOR ALL THE REPLIES, FOUND PROBLEM TO BE A INTERNAL SHORT IN THE ABS MODULE, REPLACE MODULE AND PROBLEM GONE THANKS AGAIN. |
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1996 Geo Tracker 1.6L lack of power
I would like to thank all that took the time to respond. Charlie and Ron were exactly right. The keyway on the crank pulley was spun. It sure felt to me like valve timing the way that it run, but all the timing marks were on. Fuel trim and sensor readings ... |
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2002 GMC Envoy 4.2L Exhaust valves
Cylinder head was sent to the machine shop for 12 new exhaust valves and 1 new intake valve. Replaced timing cover, oil pump, and pickup with 'new' design. Vehicle runs very well and customer is happy. |
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