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Prev Professional Automotive Repair Technical Discussions for June 18, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A6 Quattro 2.7L oil pressure warning light VIN: WAUED64B71
We have a problem vehicle here. This Audi will flash the low oil pressure warning randomly while driving (comes on, flashes and beeps then goes back out). the issue only happens when the vehicle is driven for more than 35-40 minutes (which makes it hard to rep...
2009 Cadillac CTS 3.6L clutch VIN: 1G6DP57V89
hello car has come in cust has a slipping clutch, we are attempting to bleed clutch but do not see bleeder, this is a aisin/ay6 trans look like a sealed system, is ther a bleeder
1994 Chevrolet Corvette 5.7L Ccm VIN: 1G1YY22P1R
Vehicle came in for a no start. Found low battery volts. Charge and test-ok. Start vehicle and test charging system-ok. Test parasitic drain and find 130 mA. Goes away when 5A CCM2 fuse is removed from IP fuse panel. Reviewed schematics and find CCM controls...
1997 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge, Stall VIN: 2GCEK19R7V
Hello fellow techs, What I've got here is a Vortec Chevy 350 that I recently rebuilt due to a low end knock. I kept same pistons, rods, crank, heads/valves, etc. All is stock EXCEPT the cam. I installed a comp cams (part #08-300-8), which is their good torque...
2000 Chevrolet Astro 4.3L No Start, MIL Lamp on VIN: 1GNDM19W7Y
Techs, It grieves me dearly that a bread and butter GM vehicle has stumped me but Its ground me to dust. This Astro cranks but no start. Not even a pop. The flow chart led me straight to the PCM which I replaced and programmed... no difference. I lab-scoped th... Trouble codes: P1351 (Ingition Control Votage High.)
2007 Chevrolet Equinox LT 3.4L Electric Power Steering VIN: 2CNDL73F97
Customer complained of a bias in the electronic power steering assist (OK to left, struggle to the right). Figured this was an open/shut case of the steering angle sensor (integral with the power streering motor) needing calibration (preceeded with the recomme...
2002 Chrysler Town & Country (Van) LXi 3.8L Accessories VIN: 1C8GP54L52
This vehicle came in with an inoperative instrument cluster, (No Tachometer and speedometer, ect.) and I diagnosed it to be a faulty fuse box, or IPM module . Now with the new box in place I have no amp side of the radio and air bag light is on with codes indi...
1999 Dodge Ram 2500 Truck 8.0L Misfire VIN: 3B7KF23W4X
Engine has a misfire all the time on cyl #4. It is only noticeable on acceleration. I switched spark plugs with #2 cylinder and no change. Switched plug wires, no change. Listened to injectors with stethoscope, has click sound. Compression is good (145 psi, if...
2001 Dodge Dakota 4.7L No Start
Thank you in advance. This one is even stumped the dealer. It never stalls but if you turn it off for 10 min. It will start for 1sec. and stall. Leave it alone for 30 to 45 min. and it will start with no problem. No codes it has rpm signal, nothing in datastre...
2000 Ford Mustang 3.8L shakes VIN: 1FAFP4445Y
This a v6 convertible mustang 5 speed manual that had 3 different types of vibration, 1 was the rotors were way out replaced them and no more brake vibration at any speed, the next 2 were a combo of entire car shake at 60 to 65 mph which is now gone after a ro...
2001 Ford F-150 King Ranch 5.4L 3-4 shift VIN: 1FTRW08L31
Ok I am lost, Thanks for any help in advance. I have a unit that's kicking my tail. Original unit was slipping in low. Replaced unit (and cooler) with jasper unit. First test drive all was well. Resealed the intake and noticed on the following test drive I had...
2003 Ford E-350 5.4L Right side cataylic converter VIN: 1FTSE34LX3
The vehicle is running as if there is a miss at idle. The Y-pipe exhaust from the maifold, right( passenger) side converter is hot. Left side reads around 550 degree during idle. I understand there may be a overly rich condition. Codes P1127 Exhaust temp out o...
2004 Ford F-150 Heritage XLT 4.2L Speedometer VIN: 2FTRF17214
Hello. Vehical came in with speedometer inop. Checked for power to the vss and found 5 volts. Alldata is not showing the correct info on this truck. I am working in circles. Thanks for the help.
2004 Ford Focus LX 2.0L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FAFP33P54
Hell Friends I got this 2004 Ford Focus in the shop that came bearly running, after checking, i found the compression to be good but the Spark plugs to be Bad, i replace the spark plugs also the fuel filter, the Engine run great until it got to normal tempera... Trouble codes: P0316, P0302
2007 GMC Yukon SLT 5.3L Hard start VIN: 1GKFK13087
Hi, this is my Bosses wifes vehicle and it is driving us nuts. The complaint was hard starting. I found it hard to start only when you shut it off hot then tried to restart a half hour later. Sounded flooded, seemed to crank real fast as if the cylinders were ...
2005 Honda Pilot EX 3.5L Poor Idle Quality, Surge VIN: 2HKYF18745
Car towed in with customer complaint of chugging. Had stored codes P0300-306. Tach and RPM in data will fluctuate by 400-500 rpm making EGR test and Vtec Self test not possible. Checked wave forms of Cam and Crank sensors Checked plugs and coils. Fuel trims in... Trouble codes: P0300 (testing and results)
1994 Jaguar XJS 4.0L convertible VIN: SAJNX2745R
car came in the shop with stalling we found fuel pump was bad and gunk in the fuel tank so we remove the gas tank replace fuel pump and now the converetible top not working we CK all relay fuse and wiring harness we put power to the up and down and it work don...
2004 Jaguar X-Type 3.0L Charging VIN: SAJEA51C24
The car came in with battery light on. I checked the output at the back of the alternator, and it reads battery voltage. I did search the archives, and found a couple of posts explaining the 4 wires that plug into the regulator, and did the voltage checks ther...
2000 Jeep Cherokee Sport 4.0L sunroof VIN: 1J4FF48S0Y
leaks and gets the headliner soaked,then leaks onto both front seats,removed panel around sunroof,not sure if those are drain tubes,it has two brass tubes that connect to black plastic tubes,the plastic tubes do not go anywhere,they are about a foot long and j...
2005 Jeep Liberty Sport 2.4L Misfire VIN: 1J4GL48175
Vehicle starts and runs good but has a very slight misfire experienced after warm and when under a slight load (slight acceleration, A/C kicks on, etc.). Check engine light will flash at that time and set a code P0300. Cylinder compression is good at 125 psi i... Trouble codes: P0300 (random ignition misfire)
2001 Mercedes-Benz E320 3.2L compressor VIN: WDBJF65J81
Hi, Could use a little help on this one. This car is very clean and low mileage, about a year ago we put a compressor on it because it was very noisy. A/C was working fine then. Now, it has been back twice in the past few weeks with the EC light on in the dash...
2007 Mini Cooper S 1.6L Poor Idle Quality, Hesitation, Surge, Cuts out, MIL Lamp on VIN: WMWMF73567
Vehicle was taken to us for CEL. We checked the trouble codes in the system and found 2B2B Throttle position monitoring and 2B1D Throttle valve actuator activation. The scenario is the car will intermittently go into limp mode. We have verified the concern... Trouble codes: 2B2B, 2B1D
2002 Mitsubishi Lancer ES 2.0L engine VIN: JA3AJ26E22
the car came into our shop not running . we we told it was over heated . we checked for a bad head gasket which it had . the head was beyond repair and a rebuilt head was ordered and installed . the engine pops back like it is out of time . it has a code for t...
1991 Nissan 300ZX 2 2 3.0L Upper Intake VIN: JN1RZ26H0M
Hey Gang, I have this old 91 Nissan 300zx 2+2 non turbo and I have to do all 6 injectors. I'm having a heck of a time getting the upper intake manifold off. I've never done one of these. Can you put me in the right direction of the best way to get this off. Ob...
2000 Nissan Sentra SE 2.0L Stall VIN: 3N1BB51A3Y
vehicle came is running fine cold, after an hr of driving vehicle will stall at lights and if cruising with foot off gas, replaced idle control valve for seized unit, also have removed and cleaned mass air , i dont usually mess with niss. any help would be gre... Trouble codes: P0505
2002 Nissan Altima 2.5L Timing chain VIN: 1N4AL11D92
Hi everyone...need some help... doing this head gasket on the Altima 2.5... just about to pull head off. Kinda stuck on chains right now. I know they are famous for stretching and maybe jumping a tooth. My question is how do I tell? The ALL DATA shows the mark...
1998 Other GM Fleetwood 454CID Compressor inop VIN: 1GBKP37J5W
Have this motorhome. Compressor does not come on. The green led light indicator on the AC control head does not come on. If I give the clutch power and ground it will work and will cool. Have checked all fuses I can find. All ok. Blower motor works. Does anybo...
2003 Toyota Corolla CE 1.8L Timing chain tensioner cover VIN: 1NXBR38E43
This Corolla has an oil leak at the timing chain tensioner cover. I noticed the spring tension from the tensioner pressing pretty hard on the cover as I was loosening the nuts. Knowing that this could end up disastrous if the chain were to slip, I wanted to as...
2004 Toyota Land Cruiser 4.7L Poor Idle Quality VIN: JTEHT05J24
I get a misfire on every cylinder but only in park or neutral once you put it in drive or put the AC on misfire goes away run smooth when its in park the misfire counts of every cylinder are very high put it in drive the counts go to 0 Trouble codes: 300 (301 -), 301 (302 -), 302 (303 -), 303 (304 -), 304 (305 -), 305
2012 Toyota Yaris L 1.5L ABS light on VIN: JTDBT4K30C
Toyota Pros, I need some help. This car is a rental car & came from a body shop. Rental company says ABS & Trac. lights were not on before. Body shop tells me no body damage just suspension work to left front. They replaced the left front steering knuckle, whe...
2010 Volkswagen Tiguan S 2.0L Calipers VIN: WVGBV7AX1A
We went to replace rear brake pads on this Tiguan, and are having trouble retracting the rear calipers. The electronic park brake system won't allow the calipers to retract, so we attempted to release using our OTC Genysis. We found "basic settings (04)" in an...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 525i 2.5L Cuts out VIN: WBADT43441
Thankyou for all information We done with this car at 11 am yester day california time 3 hrs later Richard send his recommend ..( The connection pins where they go through top of fuel sender are loosing contact )we remove sender omh test it is OL when we ...
1994 Cadillac Eldorado 4.6L 4th tcc engagment VIN: 1G6EL12Y2R
Have decided to live without 4th gear until the ol' ELDO goes to the Caddy boneyard. Thanks everybody you all helped me decide what to do before blowing a whole lot of money. Special thanks goes out to Juan [...] Cadillac.
1998 Cadillac DeVille Concours 4.6L Pressures VIN: 1G6KF5492W
I am presently working at a new shop . And not familiar with the machine. After some research I found the Robinair machine we have is supposed to read the capacity of the internal tank when you push the recover button , which read 21 lbs. Even after reading th...
2007 Cadillac SRX 3.6L security VIN: 1GYEE63767
10 replies, my first post was a little lame because this car belonged to a relative and my scanner was not updated enough to scan this one. I posted symptoms rather than good info. I borrowed a scanner from a friend that got me the codes and info that I posted...
2003 Chevrolet Silverado 2500 HD 6.6L engine VIN: 1GCHK291X3
still waiting for customer to make the big decision whether to replace head gaskets or long block or maybe get rid of truck. expensive proposition either way. thanks for all the advice
2005 Chevrolet Silverado 2500 HD 6.6L SEAT: Power- power height motor / actuator VIN: 1GCHK23255
Thanks everyone for the suggestions. I was looking for a more reliable method using new parts and while the dealer has EVERY other motor, for the frame, it seems these height motors one for the front and one for the back are a custom piece of work. So custom t...
1997 Chrysler Sebring JXi 2.5L Hesitation, Misfire, MIL Lamp on VIN: 2C3EL55H2V
Thanks to everyone who replied I am with you on that the distributor is probably still the problem we saw the car one more time last week, we could not dublicate any symptoms, no engine codes. we let him take it again, he left for FL so don't know if we will e... Trouble codes: P1391.
2008 Chrysler Town & Country (Van) Touring 3.8L Tire Pressure VIN: 2A8HR54P48
I have been waiting for the customer to contact me, and she hasn't. So I say this one is fixed. I installed O.E. TPMS sensors, it was as simple as that. Still do not understand how the module can read the sensors and display the psi in the right positions, yet...
2001 Dodge Ram 3500 Truck 5.9L Drive-axles VIN: 2B5WB35Z71
Thanks for all the info. I checked with my dealer parts guy. He found and shared info on OE drive shaft dimensions witch were correct. Trans output shaft bushing like new. Drive shaft went to shop and found nothing wrong. The diff still has noise in it and the...
2007 Dodge Grand Caravan SXT 3.8L transmission VIN: 2D4GP44L67
Transmission range position switch was defective/new Chrysler part failed in 1 week. Valve body removal is not difficult- remove 12 or 14 10mm hex bolts and drop valve body being careful to keep 2 pistons and springs from dropping. Takes 1.5 hrs max-local deal...
1993 Eagle Talon ES 2.0L Misfire VIN: 4E3CF44E9P
Thanks to all who replied to this post. I have lab scoped every circuit on this gar. gone over ground, and still haven't found it yet. I'm going for mechanical problems now. Suspect a sticking valve. Will do a hot running compression test to see what I can fin...
2007 Ford F-250 Super Duty XL 5.4L No Start VIN: 1FDNF20537
for the ones with little time it was an ecm that fixed it , thanks for the replies. i had checked with the scanner to see if i could turn on the pump , it would not, an ecm seemed to be a likely cause, and i had ohmed the two cicuits from the ecm , i have los... Trouble codes: P1235.
2004 Honda CR-V EX 2.4L door locks VIN: SHSRD78834
Well the fix was to remove the lock /latch assy. and install the actuator with the latch in the lock position and get it on the slot and then put in the open position and reinstall and test . all is well. Note on teh front one I got luck and the front one is a...
2005 Honda Accord Hybrid 3.0L radio VIN: JHMCN36545
Thank you for all your help.I had to send the radio in for repair.
2003 Hyundai Santa Fe GLS 3.5L Poor Idle Quality VIN: KM8SC13E63
I really don't like reading these either but the cust. has not returned for further diagnostics. I checked the vacuum line routing over and over when it was here and it was routed as the picture form Mitchell showed it should be. I do feel that is where the ...
2005 Jeep Grand Cherokee Laredo 4.7L 3 gear slipping VIN: 1J4HR48N55
Thx for all your responds. We end up checking the oil pan & found some broken bits & pieces, shavings on the magnet. Owner of the truck very lucky, he still have extended warranty on the power train. Going back to the dealer. Thx again
2000 Lincoln Town Car Signature 4.6L Poor Idle Quality, Surge, Stall VIN: 1LNHM82WXY
Many thanks guys. I realize your busy in life and I am glad you took time out from your busy schedule to help. Thanks ken for the idea of trying to un plug the mass air flow I did but that didn't seemed to do to much for it. Brian might have been on the rig...
2006 Mazda Tribute S 3.0L odometer VIN: 4F2YZ92116
thanks to every one that posted the final fix was a faulty ground wire in the main harness on the firewall near the pcm thank you all so very much
2008 Mazda 3 i 2.0L MIL Lamp on VIN: JM1BK32F78
Most replies pointed to either the cam timing being off or a problem with the cam actuator / phaser. Before disassembly I double checked the cam timing, it was dead on. I installed a new actuator and drove car for 2 days - problem solved. only one other thing... Trouble codes: P0012.
1995 Mercedes-Benz SL500 5.0L Interior VIN: WDBFA67E0S
I put a used Convertibl top Control unit & the window works fine
2001 Mercedes-Benz ML320 3.2L Obd monitors VIN: 4JGAB54E91
Hey everybody ! Sorry for taking so long to respond! The lady denied the tune-up cause she's going to decide if she sell it as is or if she get fixed to sell it . She will let me know when she return from a trip oversea! Anyway thanks for your time and support... Trouble codes: P20CC, P2043 (Misfiring see currently valid stip p0300), P2049 (Misfiring of cylinder 5 p0305).
1993 Mercury Cougar XR-7 3.8L Mechanical VIN: 1MEPM6249P
OK guys...I have read all of your input and have tested numerous things on this car. MAF sensor is reading correctly...even unplugged MAF and test change...double checked fuel pressure...running spec is 30-40 psi running...I had 25psi. Replace fue...
2010 Mitsubishi Lancer Evolution MR 2.0L Differential VIN: JA32W8FV9A
Spoke to dealer level people regarding issue - shop forman of local dealer did not hesitate to say issue is the pump for the AWD (There was one in the shop at the time for the same repair). I was given information that the 'main plate' inside the pump is alum...
2006 Nissan Murano SL 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ08W26
It wound up that the cat was clogged. I found that just removing the oxygen sensor alone did not relieve enough backpressure. I had to use a backpressure gauge to confirm the clogged cat. After replacing the cat the vehicle now runs great. Trouble codes: P0303, P0300.
2011 Nissan Frontier PRO-4X 4.0L abs VIN: 1N6AD0EVXB
we havent gotten the vehicle back yet but the local nissan dealer says that the abs computer is fried, don't understand what happened, they said they have never seen anything like this, gonna take this up w/snap-on
2007 Toyota Camry XLE 3.5L amplifier VIN: JTNBK46KX7
Thanks for your replies. I really wanted to try Andy's idea and bypass the amplifier, but the vehicle has never been returned. So I am closing this without a fix. Thanks again.
2010 Toyota Tundra 5.7L steering gear VIN: 5TFEY5F15A
After review it was covered under warranty. We advised customer to take it to the Toyota dealer and good thing the truck was lifted and I did not think we could get the engine out with it sitting that high.
2007 Volvo XC70 2.5L Excessive Emissions, MIL Lamp on VIN: YV4SZ59237
I replaced the fuel pump & that corrected the problem, running pressure now is 56-59PSI, LTFT coming down, I reset the warning message & took the car for a nice extended road test & all is well, thanks for the help.. Trouble codes: P0088.
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