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1999 Buick Century 3.1L Poor Idle Quality
I need some help with this Buick. Runs good, good power
below about 2500 rpm and at part throttle. Above a certain
throttle opening, or at about 2500 rpm, under load or in
neutral, it starts a rythmic idle fluctuation and loss of
power that continues until you... Trouble codes: P0449 (Evap system vent control circuit low). |
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1991 Chevrolet Corvette 5.7L No Start
came in crank, no start. found it to have a hypertech chip
installed. removed that-no change. verified fuel
pressure-ok aat 48 psi. it bleeds off but maintains enough
pressure to start during cranking. found no inj pulse with
a noid light. tested tps signal wi... Trouble codes: 41 (hist dtc stored in ccm loss of ecm comm), 54 (hist dtc stored in ccm fuel enable failure). |
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1994 Chevrolet Caprice 4.3L hard to start
Hi guys, this one is kicking our behinds. Customer had his
Chevy towed in as a no-start. We were able to start it with
starting fluid, but it would not stay running. Fuel
pressure was 0. We replaced the fuel pump & sender
assembly(Delphi part), fuel filter and... |
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1999 Chevrolet Malibu 2.4L MIL Lamp on
Just dropping a line to see if anyone has seen a similar
scenario. First of all, this vehicle has no driveability
concerns whatsoever. It always runs perfect for the
customer and for me. The problem is, her tabs are expired,
and every time she goes for an emmi... Trouble codes: p2965 (key in ignition fault), p0507 (Idle control system problem). |
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2000 Chevrolet Suburban 5.3L No Start
This suburban is kicking my tail! The truck has an
intermittent no start problem only after short drives.
Initail inspection revealed injector pulse, but no spark
from any of the coils. Tested the IC signal at the coils
and showed great pattern. Crank and Cam ... |
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2001 Chevrolet Silverado 6.0L abs
this is my first request for help and i hope it works .
this truck came in with abs light on and customer
complained the truck pulled to right at stop under 3 miles
an hr with abs noise . had wheel speed sensors code on
left/right . Replaced sensors from deale... |
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1999 GMC Sierra 6.0L Hesitation
Hi to all,
This truck has been driving me nuts for almost 4 weeks.
Customer came in complaining of an intermittent lack of
power when accelerating just after starting the engine or
sometimes it would stall when putting in reverse, then
restart and it would be... Trouble codes: P0141 (O2 heater circuit malfunction Bank 1 Sensor 2). |
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2004 GMC Sierra 6.0L Stall, Reduced Power
Truck will start run fine and then intermittently go into
reduced power mode and set P1516 and P2135. It has been
happening since 2005 and customer has had this to numerous
shops to try to get this resolved. See related repair
history. Customer brought unit in... Trouble codes: P1516 (Throttle Actuator Control TAC Module Throttle Actuator Position Performance), P2135 (TPS 1 - 2 Correlation). |
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2006 GMC Sierra 6.6L Hesitation, Cuts out, lack power
freeze frame data for vehicle is as follows engine rpm 2709
vss 64mph app 1 95% app 2 95% actual fuel rail psi 18188.8
psi baro pressure 13psi des egr position 0% ect sensor
187degF egr position varance -100% run time 00:08:12 iat 2
109 degF ign Volts 13.61 ma... Trouble codes: p0087 (fuel pressure too low). |
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2003 Hummer H2 6.0L ride control
Any help would be appreciated.This is a new customer with
new vehicle to him.(limited budget,ect.)This vehicle has
inter.operation with the ride control,no codes present.this
morning ride control worked.manual switch and acc.inflater
switch inop.My specialty i... |
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1990 Oldsmobile Cutlass Supreme 3.1L Hesitation, Surge, Cuts out, Stall, dies
1990 olds cutlass surpreme 3.1
start with a high idle (IAC), then fix vaccuum leak on PCV,
the car problem was it goes dead soon after gear is
engaged.
TPS sweep at idle .30v at wot 2.0v if u open it manual it
will go to o.ov at wot. dash lights will go of... |
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2003 Oldsmobile Alero 3.4L Instrument Panel
New client. Towed in. Running fine and parked vehicle. Will
not start. Blows the i fuse in the left interior fuse
panel. This controls instrument panel, BFG ACC. I know I
have to test further but I was just trying to get and idea
about changing instrument pane... |
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2003 Pontiac Vibe 1.8L MIL Lamp on
Hey there guys. I need some help on this one. This Vibe is
2WD, with ABS. I need to locate the speed sensor on this
but I just can't find it. I've looked everywhere. Alldata
says top of the transaxle, nothing. There is a spot where
it looks like the speed sens... Trouble codes: P0500 (vehicle speed sensor). |
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1993 Chevrolet Corvette 5.7L system fault flashes every 15 seconds
We scanned the vehicle for codes - none were present. We checked ground connections, all were good. We finally disconnected the battery again (this was done before) and left it sit for about 3 hours. When we reconnected, the light was off. Thank you to eve... |
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1996 Chevrolet S10 Pickup 4.3L Horn
The fix was take steering wheel off and clean bearing then lubricate and work in dielectric grease, add dielectric grease to horn cam and contact going thru clockspring. I also added a ground wire column to firewall. This was finished on a Sat morning. Ther... |
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1999 Chevrolet Silverado 6.0L 4x4
Thanks to all,Unfortunatly my scanner was not showing any codes. As most of you suggested the Encoder Motor was the SMOKEING GUN !!! She is back in traffic Thanks Again !!! Ron Quality Cars 4 less |
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2001 Chevrolet Monte Carlo 3.8L locks and starting
Thank you for everyones help. The problem was the BCM. We replaced it and no other problems to this point. Thank you again. |
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2001 Chevrolet Express 5.7L serpentine belt
I put a new belt on and can't see where there was a problem... It has been working for probably 500-600 miles now. I think that maybe the ac should be turned off when starting and then turned on after it starts. That is the only good info that I could come up ... |
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2004 Chevrolet Suburban 5.3L Hesitation, Misfire, MIL Lamp on
Thanks to all who replied. It took 3 weeks after i cleaned the grounds to show the symptom again. When it did act up i rechecked the grounds again and noticed the neg battery cable had come loose. Knowing with certainty that this ground was tightened 3 weeks a... Trouble codes: p0352 (cyl 2 ign circuit), p0302 (cyl 2 misfire code). |
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2000 GMC Savana 5.7L engine races
THANKX EVERYONE FOR THE HELP . AFTER CHECKING TH CIRCUIT OVER AND OVER I FOUND THAT ONE OF THE IAC WIRES WAS INTERMITTENTLY GROUNDING NEAR PCM . WHEN TESTING IT DIDNT SHOW UP CAUSE I WAS MOVING THE WIRING . WHEN I PUT IT BACK TOGETHER IT WOULD GROUND OUT . THA... |
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2002 GMC Savana Special 5.7L Rear brake locking up, wheel speed sensors
Sorry, Boss man wanted to cut the losses of this vehicle due to other work that needed to be performed. Customer said they were going to trade in anyway.
Some of you sudgested to turn the drums, but I didnt cause the problem would go away when the scan data f... |
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1997 Oldsmobile Achieva 2.4L No Start
I GOT A USED INSTEMENT CLUSTER AND REPROGRAMED THE PASSLOCK SYSTEM.SO FAR NO PROBLEMS THANKS TO ALL FOR YOU HELP Trouble codes: P1629 (theft deterrent no signal). |
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2002 Oldsmobile Alero 3.4L No Start, INTERMITENT
Sorry it took so long to post fix. Finally got vehicle to act up long enough to diagnose issue. Found delay in powering coils and fuel pump relay during crank and koeo. Checked fuse panel and grounds at driver side, along with pcm and bcm connectors; all were ... Trouble codes: U1000 (loss of communication), U1128 (loss of irc), U1255 (loss of class 2 commun.), C1298 (pcm class 2 serial data link fault), P1585 (cc inhibitcc lamp control circuit). |
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