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2001 Audi A6 Quattro 4.2L Soft pedal
After replacing the front and rear brake pads and rotors with oem Audi parts the pedal feels soft. Tried to bleed the system the conventional way and with a brake bleed machine but the pedal still feels a little soft. I read about having to use a factory scan ...		 View
2003 Audi Allroad Quattro 2.7L Torque Converter
Hey guys, i have this Audi in here with the fault code 17125 (p0741) followed the TSB and replaced torque Converter as TSB recommends. got the new torque converter and installed. now we have the same code popping up. Torque Converter clutch: stuck OFF/ No Powe...		 View
2002 Buick Rendezvous 3.4L Alarm Activation
About 2 weeks ago we replaced the BCM in this vehicle because the alarm would start to sound without being triggered. As soon as the customer would turn it off it would reactivate again. (I should mention he lives next door to me and kept me up all night long....		 View
1999 Cadillac Escalade 5.7L Door Locks
Good morning Members Thank you for taking the time to read my problem. I have Mitchell and Alldata and both show me a Inversion Module, but I can not find one. I have found the BCM, the Door lock relay and the wiring proves they are right. Both programs say th...		 View
1988 Chevrolet C1500 5.7L front brakes
hi all! HOPE U GUYS CAN HELP ME HERE I CHECKED ALL I CAN THINK OF IT, I CHECKED FRONT ROTORS FOR WARPEDNESS THEY ARE FINE, I CHECKED W/BRAKE LATHE SUSPENSION IS TIGHT , IT DONT PULL TO ANY DIRECCION IT ALL W/BRAKE IS APLYED, WHAT IM MISSING HERE ?		 View
1996 Chevrolet Blazer 4.3L No Start
Thanks in advance for any help. After it rains Vehicle will not start, has good spark, 62 psi of fuel pressure cranking, Spraying starting fluid does not help, the only time engine tries to hit is when you let off the ignition switch, no codes in the computer ...		 View
1999 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
This truck belong to my co-worker. trying to help her out. #3 and #5 cyl misfire. plugs get fouled up after 30 kms of driving, quicker with towing. she replaced it with electronic injector update, with the same results, the intake was car-boned up that when th...		 View
2001 Chevrolet Blazer 4.3L Surge
i may be looking for a silver bullet here. this blazer a 4.3 w motor is driving my cust and me a little nuts here. it has a surge that happens about one time every week or so or 2 or 3 hundred miles. it happens more for cust of course.cust says at cruise aroun...		 View
2004 Chevrolet Silverado 2500 HD 6.6L all up shifts
this comcern all started when i replaced the t-case with a reman. due to a failed shift fork. after the install of the t-case, veh. would not complete the 2-3 shift and default to first. with no setting of any DTC's. only after the third failed shift attempt ...		 View
2004 Chevrolet Impala 3.8L radio
Thank you in advance for your time! Theftlock radio displays "lockout".tried to depress 2+3 and 1+4 preset buttons to initiate recovery process to no avail. Did see a couple master code lists in archives but cant seem to figure out how to enter them. tried hol...		 View
2006 Chevrolet Trailblazer 4.2L 2-1 downshift
hello gentlemen, i have an 06 trailblazer that has an intermittent 2-1 harsh downshift. temperature does not effect it. about 1 out of every 6 or 7 downshifts, while coasting or braking, jerks rarely on 3-2 downshift, more pronounced on 2-1 . inspected and re...		 View
2006 Chevrolet Cobalt 2.4L MIL Lamp on
customer came in with mil some running fine at this time code in history po106 map sensor performance.Monitored map sensor reading correctly at this time, went through flow chart everything checking out fine all my inputs are correct installed a new oem sensor... Trouble codes: po106 (map sensor performance).		 View
2006 Chevrolet Impala 3.9L drivers side air
happy friday everyone.im not sure which way to go on this car.it sure seams like the mode door motor,untill while watching the scanner and turning the dial it would normally stay around 140.some how we found by turning the dial to warm then to cold at a faster...		 View
2002 Dodge Dakota 3.9L MIL Lamp on
Checked auto shut down relay for voltage , both terminals normal.through scan tool made asd function and heard click.no power at white and dark blue wire at LDP. Underhood fuse box shows no voltage at white /blue wire. Checked fuse number 2 and fuse is good. S... Trouble codes: p1495 (leak detection pump circuit open or short), p0753 (3-4 solenoid transmission relay circuit malfunction), p1765 (transmission voltage relay circuit open or short).		 View
2005 Dodge Sprinter 2500 2.7L no power
This vehicle came in with the complaint that the transmission was slipping. After road test we concluded that the transmission is working properly and that the engine is struggling to rev over 3000 rpm. We thought it was a fuel filter problem. Changed the fuel... Trouble codes: P0404 (egr).		 View
1987 Ford F-250 4.9L Hesitation
can anyone tell me what the fuel presure specs are supossed to be for this vehicle. i have alldata and it says 50-60 and i asked someone with mitchell and they said 35-40. checked sped for one with 302 and it said 35-40. i am confused and could really use some...		 View
1988 Ford E-350 Econoline 7.5L No Start
Trying to remember this far back!! I have only been able to spend a short time on this but... Guy said he started his camper and ran fine for 15 minuts or so then cut off. I checked and vehical has spark but no fuel pressure or injector pulse. I then jumped th...		 View
1994 Ford Explorer 4.0L Excessive Emissions, RICH (BANKS 1&2)
i`ve run numerous tests as per flowcharts, no luck. prior to that, i found and replaced the fuel pressure regulator. i believe the vehicle is really running rich, as the o2 sensors voltages hang at 700 mv at idle, but if i create a vacuum leak, the dvom show... Trouble codes: P0173 (rich exhaust bank 1 koer), P0137 (rich exhaust bank 2 koer).		 View
1995 Ford Taurus 3.0L 3rd Gear
This is a freakish thing. I rebuilt the transmission, and as always, replaced torque converter, the first time. Customer returned, trans still hitting hard in 3rd gear after warmed up for a while. Checked pressures & they were good, replaced torque converter...		 View
1996 Ford F-150 4.9L MIL Lamp on
truck came in with 2 dtc checked data on the motice & all 3 o2 sensors are working ok they are switching rich/lean continuousy replaced fuel filter & checked for vacuum leaks found none. checked fuel injectors for operation & leak down found no problem cleared... Trouble codes: p0174 (lean bank 2), p0171 (lean bank 1).		 View
1997 Ford F-150 4.6L Engine
This vehicle was brought into the shop with an engine noise complaint. The noise sounds like a timing chain rubbing like a bad timing chain guide. It's not so noticeable at idle but is when as soon as the engine speed is raised at all. It's difficult to isolat...		 View
2000 Ford F-450 Super Duty 6.8L Cooling Systems
members what to say high to all and hope everyone is duing well,have this truck that came in for the heater hose comin off at core,fixed filled system test drove all seem good,customer called next day said truck overheates going down highway, got truck back fo...		 View
2001 Ford F-150 5.4L Lights
Good evening, We have this Ford that is blowing the interior light fuse almost everyday, customer states that it is worse when it is wet outside. Took it into the shop all ok, laid a water hose in the roof and let it run for about 1 hour, then it started and ...		 View
2002 Ford F-250 Super Duty 6.8L Poor Idle Quality, Surge, Cuts out, Misfire
Ok guys here is a good one, We got this truck in from our local salvage dealer that just bought this thing. The man he bought it from told him it needed a timing chain. He had someone else put a timing chain set in and after this the engine still would not run...		 View
2004 Ford Escape 3.0L cooling fan stay on
thank's in advance to all of you that bother to read my request for help, i know you guys can help me. i have this 2004 ford escape v6 with the cooling fan staying in high for longer than normal periods, scanner readings showing that when temperature reaches 2...		 View
1998 Honda Civic 1.6L Poor Idle Quality
came in to my shop for uneven idle, idle is high goes from 1000 rpm to 20000 rpm up and down steady, no codes or check engine light, we tested map sensor ok, check for vaccnum leak with propane no leaks, remove throttle body to check air passages for carbon bu...		 View
2003 Jaguar S-Type 3.0L srs
SRS light is on-scanner will not communicate with vehicle in standard OBDII-changed to non OBD and can scan some modules-but not srs-we are thinking srs module may be killing the CAN-tried to disconnect srs and re-try vehicle scan-still wont-can still enter so...		 View
1999 Jeep Grand Cherokee 4.0L No Start, ASD RELAY BUZZES
replaced pcm =same problem occurs. the asd relay buzzes when key is turned on, the electric cooling fan runs. cranks but will not start. Trouble codes: P1388 (asd relay control circuit).		 View
2002 Mazda MPV 3.0L Misfire
I have had this engine apart, every relative part checked, replaced any part questionable and can come up with nothing concrete. My only suspicion now is the ecm, that because this thing will really get to missing and not set any code. The miss does not feel l...		 View
2001 Mercedes-Benz ML320 3.2L MIL Lamp on
engine check light,codes for front 02 sensors low heating capacity,check live data,02 mv osilate 170-850,five times in 1 minute,both heater control turned on,fuel trims low and even,vehicle drives normal,exhaust clear, on testing connecting plug to 02 sensor,h... Trouble codes: p2008 (heating of component right 02 sensor before katheating capacity to [...]), p2088 (same for left side).		 View
2001 Mercedes-Benz CLK320 3.2L stop lights
the car came in with no stop lamps.the abs lamp is on and the bas & esp lamp is on also. i hooked my scanner up and there was a code for the stop light switch. i also found a tsb for this problem. the fix was suppose to be replace the brake lamp switch. i got ...		 View
2000 Mercury Sable 3.0L Poor Idle Quality, Surge, Stall
Hi Ford Techs, This GM tech needs some help. This is my sisters car. Came to me with stalling complaint and "Check Engine" light on. Used Ford IDS to obtain KOER EGR insufficient flow codes P0401 and P01408. Tested and found bad DPFEGR Sensor and replaced with...		 View
2001 Mitsubishi Montero Sport 3.0L abs module
I'm posting this for another store in town. They did a brake job last week and can't clear the ABS codes. Has codes 11 12 and 14 stored (for 3 of the 4 wheel sensors) and they won't clear. Sensor resistance is 1300 ohms at the module connector so I think they ...		 View
2000 Nissan Altima 2.4L Poor Idle Quality, Stall
Vehicle came in with check engine light on and stalls at idle. Had code for MAF. Replaced MAF and performed BG induction service. Test drove vehicle with no problems. Customer picked up vehicle and returned within 15 minutes stating that the vehicle had a roug... Trouble codes: PO171 (Lean bank 1).		 View
2005 Nissan Maxima 3.5L MIL Lamp on
THE CHECK ENGINE LIGHT COMES ON AFTER YOU DRIVE IT FOR ABOUT 10 MINUTES (8)miles, and it gives you the code po0011 Trouble codes: PO0011 (cam sensor intake valve b1).		 View
1995 Oldsmobile 88 3.8L Hesitation, Cuts out
Greetings all, This olds at first inspection to me seems to be a restriced exhaust or a dirty MAF sensor. Upon cracking the throttle it hesitates /chuggs/cuts out under load or not. It will pull itself oof idle but barely once it get goind it is not too bad. ...		 View
1999 Pontiac Grand Am 3.4L Cooling Fans
Engine temp on modus scanner reading proper temp,can switch on low and high speed fans with scanner,but computer not switching fans on and scanner is showing fans off in data no matter how hot the car gets.		 View
1986 Toyota MR2 1.6L a/c
a/c never gets cold and comp is coming on. when i add 2lbs of r134-a it pulls into vac on the low side and only gets about 150lbs on the high side. if i put 3 lbs 134a in it low will be around 5-10 lbs and the high goes to over 300 lbs. we have replaced the ex...		 View
1992 Toyota Pickup 3.0L Cuts out, Stall
i got this truck in for a intermittent stall at 10 mph.it has code 14 no ignitonref signal. i duplicated this problem a few times it just shuts off just like you turn the key off at 10 mph on the dot. i have spark when it stalls, with my noid light hooked up i... Trouble codes: 14 (no ignition ref signal).		 View
1993 Toyota Camry 2.2L cooling fans
cooling fans dont come on when needed unless you turn a/c is on. replaced relays and all sensors and still no cooling fans.		 View
1996 Toyota Tacoma 3.4L Pedal feel
This truck has a condition where the pedal will initially feel nice-n-firm as it should, but when applying a little harder on a normal, gentile stop, the pedal will quickly drop an additional 1/2 inch or so, accompanied with a light clunk and chassis seems to ...		 View
2001 Toyota Tacoma 3.4L ride control
Intermitant wobble/vibration at highway speed very pronounced. Shakes in body and steering.		 View
2002 Toyota Camry 3.0L MIL Lamp on
this car was at 2 shops before it came to him --i am helping out on this mess. car runs good, fuel trims 0 to 3% all outher scan data good except bank 2 sensor 2 showing no voltage. when we gave it a shot of eather bohh rear sensors jumped to ,9v + they both s... Trouble codes: p0156 (open or short bank 2 sensor 2).		 View
1987 Volkswagen Cabriolet 1.8L Hesitation, Surge, Cuts out
Yes, the odometer reads 811187, however, I must assume that the first digit is incorrect. This is the first time I have seen this symptom on a CIS. The upper and lower chamber pressures are right on the money but the injector pressure is good at idle but when ...		 View
1996 Volkswagen Jetta 2.0L MIL Lamp on
Engine light on for inactive upstreem ox sensor, replaced with new, still has same problem, the computer will not go into closed loop will only go in for a second on and off. I need to reset the monitors to pass the emission test. has anyone seen this problem,...		 View
2000 Volkswagen Jetta 2.8L Misfire, MIL Lamp on
Hi, I seem to have checked everything I can check and am looking for some direction on this car. It has a misfire on cyl5 under load, worse when hot. Feels like an ignition miss. First tried swapping plugs and wires with a diff. cylinder to see if there was an... Trouble codes: P0300 (RandomMultiple Cylinder Misfire), P0305 (Cylinder 5 Misfire Detected).		 View
1998 Volvo S70 2.4L failed monitors
hi, i have a 1998 volvo s70 that is not running all its monitors for smog.scanned the car. no codes found.have the autodiagnos tool for this car. i have gone through and ran test's and everything has seemed to pass.all the adaptations have been reset. the flyw...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1992 Acura Integra 1.8L emissions
was a small exhaust leak at flange near 02 sensor after repairing and a decarb passed emissions		 12
2004 Audi A4 Quattro 3.0L Clutch Slave cylinder
The tech working on this car installed the slave cylinder improperly. once slave was installed the proper way all issues were fixed. thank you all for the replies.		 14
1988 BMW 735i 3.4L rotors
A big thank you goes out to everyone that offered their services, as it turn out, we change the brake lines and added some fluid and so far no problems with the brakes locking up. Again thank you		 18
1997 BMW 528i 2.8L MIL Lamp on
THANK YOU TO ALL WHO REPLIED HAVE REPLACED SENSOR AND IS ALL GOOD Trouble codes: P0340 (camshaft position a circuit).		 12
1997 BMW 328i 2.8L daytime running lights
Thanks for the replies- none were correct. After extensive research we found the DRL relay. It is in Canadian models. They replace the high beam relay with the DRL relay. This allows a low voltage pulse threw the high beams with then maek the high beam lights ...		 3
2000 BMW 323Ci 2.5L Power Seats
Hi Guys Thanks for all your help.Customer took vehicle to dealer and as i suspected needs a new complete seat.Seat track was stripped out and motors were faulty.Apparently 2 problems occured at once. Once again thanks for all who replied.		 3
1993 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on
hey guys , thanks for all the help!i have sent the ecm out for rebuild . i have not received it back yet . i do have a confirmation that they found a problem with it !!! i will follow up with the results ! Trouble codes: 43 (esc).		 10
1998 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Thanks to everyone who responded to the help.. it was a shorted Air Temp sensor.. I looked that the air temp several time and it is normal.. until one of my other work was jiggling the wire and tapping the sensor then it would flicker.. Thank you all for all t...		 13
2000 Chevrolet Prizm 1.8L pressures
What a turd this job was... The fix... replace the compressor. flushed the complete system. refilled with oil. Works great. Thanks for all the replies. Bad compressor or too much oil was the problem. At this point I'll never know for sure. Thanks agai...		 7
2006 Chevrolet Aveo 1.6L Hesitation, MIL Lamp on
Most replies said the throttle body, one said the pedal. I suspect the pedal because on the freeze frame data that is the sensor that has low voltage I think. I'll update one the customer brings back the car and I replace the pedal. Trouble codes: 2135 (throttlepedal postion sensorswitch ab voltage correlation).		 5
2007 Chevrolet Trailblazer 4.2L MIL Lamp on
Ran 3 cold start cycles and code did not return. Commanded AIR pump with scan tool and it worked fine several times. Told customer to return if light came back on. Thanks for the info. Trouble codes: P1400 (Cold start emission reduction system).		 8
2005 Chrysler Crossfire 3.2L Door locks
Only a couple of replies on this one, but it's finally fixed. The old problem of alarm going off, that we thought was fixed by replacing central locking pump resurfaced. We realized the alarm would self activate after sitting out on a hot day about 4hrs. So we...		 3
1992 Dodge Stealth 3.0L Hesitation, MIL Lamp on
Well this one in now fixed and down the road, thanks to Timothy, Mark,Vincent and Gene for your replies, as it turned out the 3rd ECU fixed this pile of crap and now its down the road shifting its but off, thanks for all the help guys. Trouble codes: 14 (Tps out of range).		 5
1998 Dodge Stratus 2.4L Mechanical
well I put it togather this morning. I'd have to say that a chezzy set up compaired to outher systems. by the way in researching the issues I went to oreilly to see if there was a fix with them as I primerily only use them in the bisness but thats another ar...		 5
2004 Dodge Stratus 2.7L Surge, MIL Lamp on
Hi; We finally fixed this stratus we did try draining fuel and adding straight gas that set pending code p0173 system rich so we put in two new front o2 sensors (oem) and that seems to have repaired problem we also readded E85. And it's still OK. It's odd tha... Trouble codes: po171 (lean exhaust b1), po174 (lean exhaust b2).		 3
1999 Ford E-250 Econoline 5.4L Poor Idle Quality, Hesitation, Stall, Misfire
thanks for the replise it ended up being pluged injectors on right bank ran motor vac on recirulate on rail fo 40 min then completed the clean an o2 came back to life right bank was lean due to dirty rail and injectors runs great now.		 12
2003 Ford E-350 5.4L Engine
Have been trying to get the van back in but he has canceled two appointments. This a work vehicle and this is Michigan, he needs to work when he can. I want to follow up on what Kent from Fla. & Kevin from Alb. said. Sounds like this may be on the right track...		 10
2005 Ford F-150 5.4L valvetrain
Thanks for all the responses. Kent from Florida hit the nail on the head. I listened at each side of the cylinder heads to find the offending side, and the noise was more noticable on the RH bank. I took the cam cover off of that side, and the problem was very...		 7
2005 Ford Taurus 3.0L unknown
Thanks for all of the responses. We fixed it about a week ago, and i decided to wait a week or so to close this just to make sure it is fixed. I guess due to the extreme intermittency of the problem i was over analyzing it and lost track of the basics. The s...		 6
2006 Ford Ranger 4.0L No Start
Yes this vehicle is finally done but it was brutal along the way. Sean, Jeremy and Chuck were kind enough to reply but this problem was 3 fold. The PCM was bad but the other problem was that the VCM I bought off Ebay back in November of 2008 was counterfeit. ... Trouble codes: P1639 (vid block), B1602 (pats system), B1213 (pats system).		 4
2006 Ford Escape 3.0L Reverse Lights
Well this one did not get fixed. The vehicle was gone when I got back to work, possibly traded. I had already checked fuses and tail lamp sockets. Hopefully I run into a proper wiring diagram and possibly a diagnostic flow chart or the like before I run int...		 3
1997 GMC C1500 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on
Thanks for all of the replies. Most suggested checking the wiring and the tps. One said to ck. the connector at pcm for a pulled out connector. We had already checked the wiring but double checked everything suggested to no avail. Customer did hide one fact fr...		 9
2005 GMC Sierra 1500 4.3L No Start, Cuts out, Stall
Thanks for the help!! What the deal was the white & black wire to the coil primary was broken at the coil connector. I went back to retest the ignition module and it started right up!!! Continued to flex the wiring harness from module to coil and found the wi...		 4
1995 Honda Civic 1.6L srs system
thanks for the help guys. i sent this one to the dealer. customer was impatient and i recommended honda diag the car and we can repair...ughh i dislike losing customer to dealer for "anything" but this one is out of my hair. thanks again jamie		 6
1997 Mercedes-Benz C280 2.8L MIL Lamp on
We believe this one is fixed. I tried another scan tool from another shop and found the readings spot on with what i was seeing on the DVOM. I removed the redundant ground and drove the vehicle until all of the monitors had ran, including the oxygen sensor and... Trouble codes: P0130 (o2 sensor circuit malf).		 7
1999 Mercury Villager (Van) 3.3L steering, suspension, ride control
Unfortunately, this vehicle is not fixed. As documented under repairs we made, such as driveshafts, engine mount and tire rotation with balance, vehicle is still vibrating at high speeds. It is troubling due to our desire to at least find the problem not only ...		 13
1999 Oldsmobile 88 3.8L No Start
Thanks to all for the help. Wow, did I blow this diagnose. Before I took the timing cover off to check cam sync the customer mentioned that he'd been loosing coolant. When I presurized the cooling system I found the upper intake manifold leaking at the EGR ...		 17
2003 Other GM W22 Chassis 8.1L Data Scrambled
Thanks for all the replies...the abs module corrected problem. 		5
2005 Subaru Impreza 2.0L reverse lamps fuse
thanks to all respondants,I replaced the reverse lamp switch on the transmission and shipped it-customer called a few days later said it blew again,customer took to dealer they changed a harness and the customer said it blew the fuse again-so back to the deale...		 3
2004 Toyota Sienna 3.3L Compressor
Sorry it took so long to post the fix. We replaced the compressor and the condenser/drier, works great again. Thanks everybody for your help. Tom		 7
1979 Volkswagen Beetle 1.6L overheat and lean
Thanks all for your help. I checked the lower cylinder shroud plate and found it there but positioned over the cylinder head,and cylinders instead of down lower over only the jugs. I repositioned these. Ended up removing the fan housing to vacuum out the mo...		 12
2002 Volkswagen Beetle 2.0L charging cable
The problem was the charging cable. It was only dropping 300mv at the terminal end at the fuse box, but was enough to tell the alternator to keep charging near full capacity amps. Besides that the cable is to small. So I replaced the cable with a 4guage batter...		 5
1989 Volvo 740 2.3L Burning oil out the exhuast
Thanks to all you techs who replied. This was a non turbo engine. I have checked the pcv system and disconnected the house under the manifold and drove it for 20 mins without any smoke. The flametrap was clogged. I will be trying to clean this out and see what...		 12
1994 Volvo 850 2.4L Hesitation, Cuts out
thank you Sean, John and Magnus for your insights. I think that the car is repaired but last time it took a month to show up again. I did the distributor cap and rotor as suggested. I've never seen one with quite as much tracking at this mileage, nor have I...		 3
2002 Volvo V70 2.4L cooling fan
Sad to say I lacked the testicular fortitude to fix this unit.I did recieve some very good tips , but the bottom line is even with the proper scan tools you cannot give a bi directional command to hi fan , and I dont have VIDA anyway.This system is very compli...		 6
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