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Prev Professional Automotive Repair Technical Discussions for April 8, 2011
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1995 Acura Legend L 3.2L Mechanical VIN: JH4KA8263S
We did headgaskets on the car 2 weeks and when we got done we noticed blue smoke, before doing the work, i noticed it smoking but felt it was due to the headgasket, The car never started up with a miss after sitting so it wasnt that big of a leak and the proir...
1996 Acura TL 3.2L Mechanical VIN: JH4UA3654T
Hey team im working on this tl r/r a engine,i remove the trans and the engine as one unit not much problem is wile disassembling the trans a little spacer fell out from between the trans and eng,it came from above the diff but not sure where it
2003 Audi A6 Quattro 2.7L Misfire VIN: WAULD64B73
Clutch and valve cover gaskets were replaced and vehicle was test driven and ran fantastic! The next day the customer came to pick up the car and it had a dead miss from start in cyl #6. Swapped coils and changed plugs but misfire still remains. Tested for pow... Trouble codes: P0300 (Random misfire), P0306 (cyl 6 Misfire), P1372 (cyl 6 Ignition circuit short to ground)
2005 Audi A6 Quattro 3.2L valve timing VIN: WAUDG94F55
This vehicle on cold start up sounded like the bank one valves were hitting the pistons and both banks chains soundesd like they were dragging on the inside of the case. Very loud!! Remove upper timing covers and cam covers. The bank one cams were about 45 deg...
2006 Audi A8 Quattro L 4.2L defrosters VIN: WAUML44E66
car came in for no hot air coming out on defrost drivers side only pass side works as desighed also custemer heard a racheting sound in dash before this happened we scaned for codes none found with are ross tech vcds decided to replace these front defrost uppe...
2006 Audi A4 3.2L RainSense Wiper VIN: WAUAH78E16
I have a customer (glass shop) replaced a windshield in this A4 because it was cracked. They used an Audi kit to re-atatch the sensor on the windshield. There are no bubbles between the adhesive and the glass. Now the wipers work as if there is no rain sense s...
1997 BMW 528i 2.8L tranny VIN: WBADD6324V
Good evening to all.Sorry for being lacking in info but Im hoping you guys can help.My Boss picked up this BMW and loves driving it but is getting anoyed with this issue.Problem is tranny will not upshift unless you manualy shift thru the gears (@ aroung the n...
1999 BMW 528i 2.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: WBADN6336X
when engine is cold, after its been running a minute or two the engine rpm will seem to cut out and drop. Sometimes its just slightly, but the engine has died sometimes aswell. After 5 min. or so it will go away until completly cold again. check engine light w... Trouble codes: P0101, P0441
2000 BMW 323i 2.5L turn signal,door open inicator VIN: WBAAR3349Y
Customer complaint is turn signal indicators don't work properly in the dash,all exterior turn signals work properly . Left turn indicator will start to flash on dash,flip lever to right turn, exterior rt turn signals flash but left turn indicator still flashe...
2004 BMW 645Ci 4.4L Poor Idle Quality, Hesitation, Cuts out VIN: WBAEK73424
The car is an off lease unit which a car lot purchased. I have no history on the vehicle. Was driven for about 3 weeks by lot personnel. 3 days ago it began to surge, try and stall and have no power under throttle. The check engine light did not come on, it is... Trouble codes: 0X29A, 0X278, 0X278, 0X27B, 0X279, 0X27D
2006 BMW M5 5.0L MIL Lamp on VIN: WBSNB93596
I cannot seem to find explaination of this DTC (2789). Also has ambient temp sensor [...], sensor tests good to me .8 volts at 80' F.,up to 2.2V. with "choke " cooler blowing on it,(approx.45'F.). New temp sensor only changesd by .1 V. I believe rough road ... Trouble codes: 2789 (Detection rough road), 278A
2008 BMW 135i 3.0L Taillights VIN: WBAUN93558
Thanks to anyone that can help. This vehicle came from Germany. Came in with only the taillights not working. Replaced the footwell module with no success. the only thing that alldata shows is everything goes into the footwell module. Is there something we are...
1997 Chevrolet K3500 5.7L Fail Safe Mode VIN: 1GCHK34R2V
This truck was brought to me yesterday from another shop after having the transmission rebuilt with the same failure after rebuilding it. It currently is stuck in failsafe. The other shop had first put a new ignition switch/harness in. Then they installed new ...
2006 Chevrolet Equinox LS 3.4L park lights, instrument panel lights VIN: 2CNDL63F16
Greetings all. This Equinox intermittently blows the fuse for the park lamps and dash lights. If a new fuse is installed it seems to last anywhere from 1 day to a week. I have found the Park Lamp switch Signal wire (circuit #74, light blue) is open. From looki...
2000 Chrysler Concorde LX 2.7L engine VIN: 2C3HD36M14
Please help, this car came in overheating at idle and driving. Customer said they added some stop leak to stop a leak at the rear hose Tee in back. Two days later the car began overheating all the time. I initially thought air was in system so i went crazy try...
2005 Chrysler Sebring Touring 2.7L engine VIN: 1C3EL56RX5
replaced waterpump,put put timing chain back in line with timing marks(did drive car in). now car cranks but wont start. i believe there is a relearn procedure.any ideas or sugestions?
2005 Chrysler 300 (Car) C 5.7L No Shift VIN: 2C3AA63H65
If there is a Chrysler Tech. available, Have I got a Sob story for you, have your Cryin Towell Handy. I'm not much on Transmission's anyway, but this snuck in as a driveability issue, in that the complaint was "It won't go over 35 M.P.H." I've read that these ...
1999 Dodge Durango 5.9L No Start, Cuts out, Stall VIN: 1B4HR28Z5X
hello-first post for help here. have a 99 durango, installed heater core a week ago. did complete dash removal and all else required. job went smooth. customer today returned with vehicle and complaining of intermittent stall and no start, but cranks over. ver...
2003 Dodge Stratus SXT 2.4L rotors VIN: 4B3AG42GO3
hello,this car has had front rotor problem for years,in 2007 we installed rotors at 38000 miles,in 2008 installed rotors at 48300,in 2009 the front rotors and pads were installed by the local raybestos rep.milage then was 57785,it is now back with rotors warpe...
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B39526C23
Car Came in with a dead battery and costomer compant of a Check engine light. After Replacing the battery we scaned the vehicle and found a P0016 and the Cam/Crank degree diff. of 13 Degrees. Checked Base timing and It is dead on. Does anyone have a Known good... Trouble codes: P0016
2006 Dodge Durango Limited 4.7L Mechanical VIN: 1D4HB38N86
verified poor cooling. i can select heat and the temp goes hot. so i am thinking there are no temp selection issues. the vehicle has front a/c only and is not equipped with auto hvac. recovered and recharged hvac. i noticed the freon went in very slowly on t...
1988 Ferrari 328 GTS Quattrovalvole 3.2L Hard start VIN: ZFFA20A7J0
I have a hard starting problem, worse when hot. Will have to give some throttle to start when warmed up. Car was taken to another shop and the fuel head was worked on. Not sure exactly what they did but problem ocurred after work performed. Fuel pressure at 80...
1998 Ford Escort LX 2.0L shfting VIN: 1FAFP10P3W
Vehicle does not shift out of third gear. We can maunally shift it into first gear, but as soone as we put it into drive it goes straight to third gear. fluid and filter have been changed, fluid was very dirty, but no excessive material in pan. During manual s...
1999 Ford Ranger XL 2.5L Engine VIN: 1FTYR10C8X
Hi everyone, I will try to make this idle this truck will have poor heat / the temp guage will be at the very bottom of the range (cold) / and the radiator and all the hoses will be at approx 220 degrees. If you race the engine to about 1500 the gua...
2001 Ford F-250 Super Duty XL 5.4L Cuts out, Stall, MIL Lamp on VIN: 1FTNF21L01
Hi Everyone, Thanks in advance for all your expert help. This vehicle is acting weird. If you turn the key to on it will click on and off like you are turning the key itself on and off. All the warning lights go on and off when it does this and you can hear s... Trouble codes: P0500, P1502, B1323, B1302, B1352
2003 Ford Windstar SE 3.8L Cluster, Head Lamps, Radio And Blower Motor VIN: 2FMZA53403
Got a 03 FORD WINDSTAR with the headlamps, park lamps, radio and blower motor stay on after the key is turned off and removed, also when vehicle is running all gauges, odometer and accesories are inop and all warning indicators are on. If I unplug the front co...
2003 Ford Ranger XL 3.0L Poor Idle Quality, Misfire VIN: 1FTYR10U43
Has new sparkplugs, coil tested ok, wires good, tested with different wires, tested with new coil. runs perfect as soon as off idle and above 5 km/hr. just wondering if anybody has seen this before we do compression and leakdown tests and pull plenum to test i... Trouble codes: P0305
2005 Ford F-250 Super Duty FX4 6.0L No Start, hard start VIN: 1FTSW21P45
Hello again. This "thing" is giving me a headache. Truck was towed in as a no crank/no start. Both batteries replaced and all was good. Customer picked it up. Two hours later it's on a hook, crank no start. Oil was low. Did an oil change with Rotella 15w-40....
2007 Ford F-150 FX4 5.4L differential assy VIN: 1FTPW14VX7
turn over to the customer and the next day customer come back. if he turn left or right fill vibration and i test drove it.if the steering wheel is straight there is no vibration but if the steering wheel is turning you can fill vibration specially if you make...
2001 GMC Yukon XL 1500 SLE 5.3L driveline VIN: 3GKFK16T71
This is a vehicle I purchased to sell and have been driving it myself. There is a vibration distinctly at 60,65, and 70 mph. It is there basically after fifty but is resonant at these speeds. Initially I had 3 bad ujoints, then discovered that the yokes on bot...
2007 Honda Civic Hybrid 1.3L Hesitation VIN: JHMFA362X7
I have a 2007 civic hybrid brought to me because dealer finds nothing wrong.This is the first hybrid I have worked on so Im not sure where to start.Once in a hundred miles of driving it acted up. When it does it feels like the brakes are on,the harder you acce...
2002 Jaguar X-Type 2.5L Charging VIN: SAJEA51D42
battery light will come on every now and then while driving or just sitting still with engine running.checked charge at battery when light comes on and voltage does drop then comes back up.changed alt. with a jag unit with sme results also changed battery same...
2006 Jeep Wrangler Unlimited 4.0L Unknown VIN: 1J4FA44S96
Hey all, Thanks in advance for any info provided. We got a Jeep in here for a vibration, The vibration starts at approx 50mph and hangs on til 65 or so, Only under load. If you let of the accelerator pedal the noise goes away,If you add a passenger it enhances...
2006 Mazda 5 Sport 2.3L spark knock pinging VIN: JM1CR29L36
I have here this 06 Mazda 5 with a 2.3. THe engine runs great, no codes, however, its constantly pings or has constant spark knock. The mass air flow was replaced to try to fix this and it did not improve. The engine was rebuilt about 15k miles ago. compressio...
1975 Mercedes-Benz 450SL 4.5L Excessive Emissions VIN: 1070441202
Car came in running rich high idle customer had cap and rotor replaced we found several vacuume leaks repaired and adjusted valves plugs were black with soot now runs even richer than befor tried adjusting computer idle was lower but still to high
2003 Nissan Pathfinder LE 3.5L A/T Oil Light on but very dim VIN: JN8DR09Y93
Car Came in with A/T Oil Temp light on very dim, Fluid perfect color not burnt, truck drives and shifts perfect, checked Alt putting out 14.4 volts all day load test charging system all ok, Checked grounds and cleaned, You can almost not even see the light on,...
2003 Oldsmobile Alero GL 3.4L No Start VIN: 1G3NF52E53
Towed in no crank/no start. We jumped the relay and the car starts but dies as soon as you pull jumper from relay. The security light flashes once. Checked voltage at BCM passlock sensor wires. Had NO Battery voltage on white wire. Had 5 volt reference on yell... Trouble codes: B2960 (security sensor data incorrect but valid)
1998 Pontiac Grand Prix GTP 3.8L No Start VIN: 1G2WP1215W
problem started immediately after changeing the nose cone on the supercharger. was replace as bearing was noisy. After road test vehicle would turn over but not start. Put scan tool on. no codes. Noted no injector pulse. rpm good. no 3x reading 18x ok. battery...
2001 Saturn L300 3.0L No Start, Poor Idle Quality, Surge, MIL Lamp on VIN: 1EWDR92H83
hi all, saturn here had the above codes measured currents at connector for throttle and it checked out but car came in with rough idle like a bad plug but no misfires detected on tech2 some values on data stream was off so i replaced throttle assembly got my ... Trouble codes: U2105, P1510, P1516
2000 Toyota Tacoma SR5 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 41AWN72N0Y
customer concern was lack of power and hesitates,i could not road test it would barely run,it would back fire through the throttle body, checked cam and crank timing all marks are in time.checked for external vacuum leaks with propane no leaks found.truck ran ... Trouble codes: P0120, P0136, P0141, P0172, P1130, P0171
2005 Toyota Corolla CE 1.8L Hesitation, Surge, Stall, Misfire VIN: 2T1BR32E75
this car has a severe buck/hesitation after it cools down. ie.sits for a couple hours, almost not drivable then suddenly clears out and runs fine until next cool down.Customer states problem started after ecm was replaced,no codes,no vacuum leaks,fuel pressure...
1999 Volkswagen Passat GLS 1.8L cruise control VIN: WVWMA63B7X
Hi, new to this site, but have heard a lot of good about it. having a problem with the Cruise Control on this vehicle. Have a good troublehooting diagram on it(I believe). I have a problem understanding the circuit that goes from Fuse no. 13 to pin no. 11 on t...
2001 Volvo S60 2.4T 2.4L Hesitation, Surge, MIL Lamp on VIN: YV1RS58D21
Vehicle came with check engine on and hesitation on take off all the time and on accel, i scand the vehicle and found misfire #1#2#3#4 which i was not comfortabl with the codes any ways i tested the coils and they were all good so i went ahead and replaced the...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1992 Acura Vigor GS 2.5L No Start VIN: JH4CC2650N
After further inspection we found a loose connection in the underhood fuse box. Thanks for all who helped Mark
2003 Acura RSX Type-S 2.0L No door locks,brake light on in dash, VIN: JH4DC53082
Hi Everyone. I just want to let you all know the problem was in the multiplex relay.Which is in the fuse box under the right side of steering column. A new on is 450 so the customer did not have that much money to spend so I put a used on in the car with no gu...
2004 Audi A4 Quattro 3.0L power steering VIN: WAUDT48H74
thanks for all the responces with this problem. im quite sure its fixed most techs reported loose clamp and hard hose at pump inlet from resivoir. this hose was hard we reclamped it and problem did nor reoccur next morning. we are going to get a new hose and r...
1996 BMW M3 3.2L Chime VIN: WBSBG9325T
Thanks to all who helped. This is the only car that I ever worked on that I found this situation. There are two IDENTICAL black plugs under the dash, one goes to the chime and the other to the brake switch. I love and race these wonderful cars, but why would...
1997 BMW 318ti 1.9L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: WBACG7322V
Thank you guys for the great info. realoem was a great site. I found all the parts i was looking for. Trouble codes: P1174.
2005 Chevrolet Suburban 1500 LS 5.3L Low Oil Pressure VIN: 1GNEC16Z45
First a thanku to all those who replied to this post. After replacing oil pump with same results, customer opted to replace engine.
2007 Chevrolet Colorado LS 2.9L MIL Lamp on VIN: 1GCCS14907
This vehicle went away with just a gas cap? Parts store figures that'll solve all their problems...I did check fuel pressure yesterday morning 1st thing. KOEO it was 45, KOER it was 58-60 psi. Took it on a long run with the gauge on the windshield and the scan... Trouble codes: P0171 (System lean bank 1).
2000 Chrysler Concorde LX 2.7L suspension VIN: 1GH8659DVK
thanks to all that replied.sway bar links where bad.did as joe [...] said and disconneted links and tie away and drive noise was gone so i replaced links.thanks again to all. james
1992 Dodge Stealth R/T 3.0L Misfire VIN: JB3XD64B2N
Thanks guys for all the help. Allen, you hit the nail on the head. 3 plugged injectors on the same bank. Who would have thought? When I was testing the injectors with the tester, they were staying open longer, kind of masking my problem. Will not let that fool...
1999 Dodge Ram 1500 Truck 5.2L Surge, Misfire VIN: 3BF7HF13Y6
none of the replies was the problem. the problem was in internal gasket around the throttle body.
2000 Dodge Grand Caravan SE 3.8L module VIN: JYAVG04E67
Found it was Master Cylinder. We had replaced it with a rebuilt one at first, when i would open the bleeders fluid would push out when pedel pumped, but it would bypass the seals in the cylinder and leak down. Replaced with a new unit and its all good. Th...
2002 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1B7HG38N12
I replaced the oxygen sensor with the Mopar sensor. Since this code doesn't come right back on we will see if it fixed the problem. Thank you for your help. Trouble codes: P1195 (1/1 O2 sensor slow during catalystic warmup).
2002 Dodge Intrepid SE 2.7L Stall
thanks for the replies. we on the request of the customer sent to dealer who said was a defective valve in the steering rack. Customer declined repairs and took vehicle. thanks again for help.
2006 Dodge Ram 2500 Truck Laramie 5.9L Hesitation VIN: 3D7KS29C96
Thank you very much for responding to the request. I did have good volume before I did the "loaded PSI test", however, I did do the volume test 3 more times. This time the pump would run for 10 seconds or so and then would stop pumping. It still had good vo... Trouble codes: P0148 (Fuel delivery checksum error).
2007 Dodge Charger R/T 5.7L Converter VIN: 2B3KA43H07
Wow! A little embarassed! After many hours driving this car, pulling valve body twice(once to replace the TCC solenoid & once to air check TCC hydraulic circuit)I still had the vibration. After driving it into my bay (one more time!), I noticed the whole car s...
2008 Dodge Sprinter 2500 3.0L can data VIN: WDOBE74508
thanks to you 6 guys for your replys regarding this MB/Chryco abomination and also sorry for the late reply but this is a fleet vehicle and after I posted last week I didnt get the vehicle back to look at again untill yesterday.Ok so here was/is the deal... As...
1998 Ford F-150 XLT 4.6L EPC Solenoid VIN: 1FTZX18WXW
Well, this one is fixed. We have little or no hair left from pulling it all out! What we ended up doing was to access the wiring for the EPC solenoid right out of the PCM. We watched the waveform and found the grounding control from the PCM was dropping out an...
1999 Ford Ranger XLT 4.0L Red Brake Light VIN: 1FTZR15XXX
I located the problem. The vehicle must have been wrecked and repaired, as there was no mount place for the clutch fluid hyd fill ( made a bracket to fit on brake master for this). Pulled the instuments and checked the connections. pk/wh wire was really a vt/w...
2000 Ford Ranger XL 3.0L Excessive Emissions, No Start, Cuts out, Misfire VIN: 1FTZR15V6Y
I want to thank each one that replied. The customer had a friend that found a company online (T&S Electonics LLC= that has a fuel replicator sensor. I do not think this is the preferred repair but the vehicle was not worth the price of th... Trouble codes: P0176 (Flexible Fuel Sensor Circuit Malfunction).
2003 Ford F-150 XLT 4.6L No Start VIN: 2FTRX18W23
Thanks for all the help. Customer picked up truck before i cold look at everything over. I did spend some time looking at your suggestions and came up with nothing. customer will bring back if it happens again. Hopefully it will get worse then blowing fuse on...
2003 Ford F-250 Super Duty XL 6.0L Mechanical VIN: 1FTNW21P13
Thanks guys for all the help,I found a lower intercooler hose with a pin hole under the clamp,We replaced both hoses and road tested the truck and got 23 psi boost.Thanks again for the help---Dave
2005 Ford F-150 XLT 5.4L spark plugs VIN: 1FTPX14585
Thanks for all of the replies. I bought a lisle 65600 broken plug extractor kit. this thing makes life a lot easier. works great. every spark plug in this engine had the porcelin broken in the steel shank. took some time but did a great job. thanks for the...
2003 GMC Envoy XL SLT 4.2L MIL Lamp on, No Acceleration VIN: 1GKET16S23
Got this one fixed. The replies for the most part suggested cleaning or replacing the Throttle Body. As well as checking wiring grounds, and checking wiring harness by the Alt.. I had previously cleaned it, but that didn't do any good on this one. The final f... Trouble codes: P512, P515.
2002 Infiniti QX4 3.5L No Start VIN: JNRORO9YX2
thanks every body but while testing the vehicle it started and it ran for two days with no porblem at all and then it did it again so the customer send it to deale... the dealer said it was streched timing chain but i still have my douts thank any ways Trouble codes: P0021 (Bank 2 intake valve timing control range performance), P0011 (Bank 1 intake valve timing control range perormance).
1996 Jaguar XJ12 6.0L MIL Lamp on VIN: SAJMX6346T
well after checking the wiring to tcm tcm found it to be mismatched to the replaced transmission.After some research matched a used tcm that matched thetransmission. This fixed thelimp mode. thanks to all for your help,. Trouble codes: P0336.
2005 Lincoln LS Ultimate 3.9L Poor Idle Quality, Misfire VIN: 1LNHM87A85
due to the infrequent miss fire it was hard to find the miss. grab the old spark tester set it for 30k and tested the weakest looking coil from the scope readings and seen spark drop out under the load test. replaced #4 coil and guy is super happy. thanx to al...
2004 Nissan 350Z 3.5L radiator/thermostat VIN: JN1AZ34D74
I removed the thermostat assembly from the car to attempt to determine if there might be blockage in the radiator. There was no blockage when pumping water from the top radiator hose through to the bottom radiator hose. I installed yet another new thermostat a...
2000 Pontiac Grand Prix SE 3.1L Blend Doors VIN: 1G2WJ52J7Y
Thank you for the 3 replies. 2 regarding mitchell navigation and one with actual testing info. Our customer would not approve disassembly to start diagnosis so I have no other option than to close without a fix. Thank you all again for your input.
2003 Saab 9-3 Linear 2.0L smoke from exhaust VIN: YS3FB49S03
Thank You all. We figured this one out. My used parts guy at Goldwing SAAB NY, NY told me to check the return line for clogging when we were ordering the second used turbo, and we did, but only to see if it was completely plugged. After we exhausted other ro...
1997 Saturn SL1 1.9L No Start VIN: IG8ZH5282V
Sorry took so long to close, had several problems with vehicle. first off we all new the fuel pump was bad, but could get running with starter fluid, after talking to customer several times and getting more information, of course it was there daughters car tha... Trouble codes: P1599, P0512 (testing and results).
2001 Toyota Prius 1.5L HV main traction battery VIN: JT2BK12U71
yes we fix dont have to replace all the hybrid battery, you can test each cell and it has 38 of them and carfully replace the bad once we do that here now good luck
2008 Toyota Sequoia Limited 5.7L Power retractable VIN: 5TDBY68A68
There doesn't seem to be any reset/relearn on these mirrors...Most pointed out it would need new mirror. Being this is the wifes vehicle, I am not ready to set out $700+ for a new mirror---will post update if I am able to repair vs. replace. thanks to those ...
2003 Volkswagen Passat GLS 1.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWPD63B63
Thanks for all the help guys, PCV valve was gutted. replaced and car runs perfect! Trouble codes: P0300, P0301, P0302, P0303 (misfire 3 cyl), P0304 (misfire 4 cyl).
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