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Prev Professional Automotive Repair Technical Discussions for October 5, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1995 Acura Legend L 3.2L MIL Lamp on VIN: JH4KA7669S
got this legend that came in for no check engine light during bulb check. found that the bulb had been removed. installed new bulb, started up and check engine light on right away.multiple codes stored, cleared codes and code 1 O2 sensor left side returned. ch... Trouble codes: 1 (left heated o2 sensor)
2000 Audi A6 Quattro 2.7L Radio and Switch lighting VIN: WAUED24BXY
Car came in with intermittent buzzing coming from the radio. When the problem would happen the radio and center panel lights would flicker and go out. The #15 fuse finally blew and voltage gauge went to zero and "fuse" message showed up on dash. Removed radio ...
2002 Audi Allroad Quattro 2.7L Poor Idle Quality, Hesitation, Stall VIN: WA1YD64B82
Replaced timing belt, tensioner, etc. using audi alignment tool. Car started up & idled fine. 10 minutes into road test, when I went to accelerate, car lost power, went into limp mode. Now it idles horribly & backfires at idle. I shut off the car & restarted, ... Trouble codes: P1545 (Throttle valve controller malfunction), P1568 (Throttle actuator mechanical failure)
2005 Audi S4 4.2L Electronic VIN: WAUPL68E35
Looking for a little info here I have a 05 audo s4 and has a complant of of the tiptronic not working it has the paddles on steering wheel and at shifter, scanned trans module and got codes 18161 tiptronic switch implasible signal p1753 aldata has no listing f...
2005 Buick Allure CX 3.8L abs VIN: 264WE53205
hi all tecnitians,i have this buick with brakes problem,pedal is too hard,this is like when you press the pedal became very hard and i change the booster,and steel the same,i bleed all brakes,a check vaccum,is good.i check also master is good.i will apreciate ...
2003 Chevrolet Venture LS 3.4L rear air ride VIN: 1GNDV03E73
Thanks for the help. the air pump runs and pumps up the shocks but the auto air ride dont work. I belive it to be the air hight sensor but am not sure how to test it. Can any one help
2003 Chevrolet Impala LS 3.8L Stall VIN: 2G1WH52K83
Vehicle starts good cold or hot if restarted right away. Problem occurs on a restart after a hot soak. Starts normally, then dies. Usually starts and runs ok on next try. Idles at about 1000rpm, drops to 550 in a second or two. Will stay running if giving some...
2006 Chevrolet Impala LS 3.5L No Start VIN: 2G1WB58K46
This vehicle came in as a no start. Upon further examination, we found that when the key is put in the run position, only the check engine light illuminates. After a few seconds the rest of the warning indicators and odometer finally illuminate too. When you t... Trouble codes: U0140
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
With an 18% TPS reading at idle (750) and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High ... Trouble codes: P0121 (TPS Sensor), P0507 (Idle Too High)
2006 Chevrolet Trailblazer LT 4.2L Poor Idle Quality, Stall, MIL Lamp on
The truck came into the shop with a rod knocking I never was able to drive the truck before the repairs were done .I rebuilt the motor install a new crank # 5 piston and rod when cleaning the motor i found the cam phaser stuck and the solinode filled full of m...
2002 Chrysler Town & Country (Van) LXi 3.3L Misfire VIN: 2C4GP44372
Worked on this vehicle one month ago.Same codes as now.Before originally replacing, checked injector resistance between ASD relay out and pcm connector and all were exactly the same.Wasnt getting ground signal from #3 driver in computer.Replaced computer,flash... Trouble codes: P0303, P0203
1984 Dodge B250 5.2L no spark VIN: 2B6HB23T2E
check battery check ok, check power at the + side of coil we have battery voltage ground is ok check the ohms at the pick up whitin limits coil is new all the wiring is ok . am assuming bad ECU does any body have experience something like this?
1998 Dodge Ram 2500 Truck 5.9L lack of power VIN: 1B7KF236XW
HELP!!! mornin fellas(and gals) need help on 98 5.9 cummins. came in as no/hard start capped all injector lines one at a time and #2 injector was leaking. Replaced all 6 injectors,and it started after 2-3 revolutions each time all day.Well customer said it did... Trouble codes: P0216
2005 Dodge Grand Caravan SXT 3.8L rt sliding door VIN: 2D4GP44L45
vehicle belongs to local car dealer,had it checked at chrysler dealership,both sliding doors were not working. they sold him the harness's for both doors. he had his maint guy install them. got left to work but not right. they bought a whole door from salvage ...
2000 Ford E-150 Econoline 4.2L Poor Idle Quality, Surge, Misfire VIN: 1FDRE1423Y
interimitant rough idle. misfires all over counter, not any picticular cyc. no vacum leaks found. runs good 90 % of time. does seem lower power than others ive worked on but not really bad. when problem accures bank 1 short term fuel trim goes -23 bank 2 goes ...
2002 Ford F-150 King Ranch 5.4L MIL Lamp on VIN: 1FTRW07L72
Cust states check eng. light comes on occasionally for cyl head temp hi.No codes present at this time.Cust has replaced sender in head twice with ford sender.We have never duplicated problem.Sender cust replaced was in l head in front of eng.We called ford and...
2003 Ford Taurus SE 3.0L abs VIN: 1FAHP58U33
vehicle came in needing front brakes and rear caliper leaking through the e brake arm shaft did all this work and test drove. now the abs kicks in when it feels like it. has a code of b1342 in the module, clear it and it comes right back.checked for power and ...
2005 Ford Mustang GT 4.6L Sjb VIN: 1ZVST82H65
This Mustang originally came in with complaint of battery going dead every couple days. Most obvious issue was the headlights didn't time out. Found moisture under passenger side carpet while checking the "Smart" junction box. Installed new box from Ford. Wish...
2007 Ford Explorer Sport Trac XLT 4.6L battery VIN: 1FMEU51847
I have a battery drain of 170MA & when I pull fuse from SJB # 2--5amp,drain goes away..Pulling all fuses from SJB & leaving in only fuse #2--5amp ,drain is still there..Mitchell says fuse #2 feeds SJB & VAR 1... I'm thinking there is a problem inside SJB..What...
1997 GMC K2500 Sierra SL 5.7L Surge, Cuts out, Misfire, Poor Fuel Economy VIN: 1GTGK24R6V
It has p1345 cam/crank correlation code but the distributor is non adjustable. The ones I have done previously have had adjustable distributors & you just go through the process with the scan tool. This one is -27 degrees with the distributor one way. We remov... Trouble codes: P1345
1989 Honda Civic LX 1.5L Surge VIN: 1HGED3651K
Engine idle surges after warm up. On start up engine goes on fast idle and when it drops, it will surge up and down. Checked the throttle cable it has free play.
1998 Honda Accord LX 3.0L Pcm VIN: 1HGCG1646W
Howdy, Y'all. I do believe I have a problem with the immobilizer system with this Honda. A bit of history: It has been, for about the last two years, had an intermittant 'hiccup' while driving. Like you shut it off for a split second. No problems with driveabi...
2003 Honda Civic EX 1.7L Misfire
Done all the checks on this Civic which got me to the injector. All 4 injectors have good 12 power in one side. My test light lights red for positive & green for negative. Cyl's 1,2,4 on my test light a negative pulsing trigger that will also illuminate the re... Trouble codes: P0303 (Misfire cyl 3)
2003 Honda Accord EX 3.0L 1-2 shift,2-3 shift VIN: 1HGCM66893
Hello fellow techs,My boss purchased this Honda from a friend.Transmission when cold shifting from park to drive has a delay.Also 1-2 shift is harsh cold,and 2-3 shift slips cold.When vehicle warms up,it shifts perfect.There are no codes in TCM.PCM,and ABS.All...
2005 Jaguar XK8 4.2L tamperature VIN: SAJDA42C35
The car came in with the complaint that, after a 1/2 to 1 hr period of driving after which the car might be parked for 1/2 + or-, the temp. gauge will show an increase to about 3/4m from the middle. No cooling fans come on, but the motor will run poorly and th...
2004 Mazda 3 S 2.3L Poor Idle Quality, MIL Lamp on VIN: JM1BK12344
I am looking for some help on this Mazda 3 that is giving me some trouble. The CEL light keeps coming on with a lean at idle code for bank 1. When the car came in it was running ruff at cold start up and wanted to die out like there was a large vacuum leak. Ch... Trouble codes: P2187 (Lean at Idle Bank 1)
2003 Mercedes-Benz E500 5.0L Battery Protection Light, Instrument Cluster VIN: WDBUF70J93
Looking for some help. I have this 2003 Mercedes E500 in for the battery protection, convience functions temporarily diasabled coming on and off and for the instrument cluster intermittently goes dead on start up (all guages and back lights inop, usually comes...
2008 Mercedes-Benz R320 CDI 3.0L engine light VIN: 4JGCB22EX8
would like to know? i am getting a code 2648 (twc)temp sensor converter temp sensor on the converter under vehicle there are two possible sensors witch one is the temp sensor,alldata and mitchel dont give you much info?
2000 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31A4Y
2000 Nissan Maxima with 62k Has p1320, replaced all 6 coils and plugs with proper NGK, and ignition condensor. Code still comes back instantly. any help would be great! Trouble codes: P1320
2008 Other GM Commodore 3.6L MIL Lamp on VIN: 6G1EL55788
This car uses a 3.6 GM V6 similar to engine used by GM in US. Car is very clean. Runs smoth and there is no driveability concerns at all. Before or after setting code. But, about every week after cleaning memory fault, will set code P0101 again. Togheter to ... Trouble codes: P0101 (MAF circuit range / performance)
2009 Volkswagen Tiguan SE 2.0L Misfire, MIL Lamp on VIN: WVGAV75N29
Hello to all and thanks in advance. This one's got me scratching my head. This vehicle originally came in with a fault code for the Intake Manifold Runner Position Sensor and, after looking at some TSB's from WV, it was surmised that the intake manifold was ne... Trouble codes: P0302 (Missfire Cylinder 2)
2006 Volvo C70 T5 2.5L Drive axle VIN: YV1MC68236
Hello fellow techs, I have this Volvo that we initially replaced a right side drive axle due to a broken inner CV boot on the passenger side.The boot was torn in a clean circle right at the small clamp.The remanufactured axle was installed and the tech said he...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 BMW 740iL 4.4L Alarm VIN: WBAGJ8329T
Thank you everyone for your replies/tech-tips/experience! I should have taken a snapshot of my Autologic when I went to check the alarm triggers in the ZKE, it was the alarm horn/siren that was faulty. Opened up the alarm horn to have a better look and the c...
2000 Buick LeSabre Custom 3.8L Surge VIN: 1G4HP54K3Y
After numerous tests I determined that it was a problem with the transmission. I went to my local transmission shop I use for tranny work and they think it is in the transmission also. The customer was going to drop it off at the transmission shop but the prob...
1989 Cadillac DeVille 4.5L Abs
Thank you all that replied and especially Juan as we did not know exactly how this system worked and information was very hard to find. The accumulator fixed the problem a new one not the used. as soon as the new one was installed it pumped right up all the l...
2000 Cadillac Seville SLS 4.6L Stall, MIL Lamp on VIN: 1G6KS54Y7Y
First thanks to all who replied,the reason I thought this was confusing was because alldata says that there suppose to be 10 volts at the plug, not line voltage. So I was wandering what droped the voltage if the test is with the plug off the sensor. I found th... Trouble codes: P0102.
1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW
Thanks for the replies, i checked the distributor and distributor drive gear, the coil was a new delco. We decided to remove the heads and the customer wanted to install a long block with a buddy. Wish I could have torn it down and seen how it looked. Thank... Trouble codes: P0300, P1345 (Crankshaft position / camshaft position correlation).
2001 Chevrolet Impala LS 3.8L Cooling fans VIN: 2G1WH55K11
First off thank you to all that offered help. I replaced the BCM and all fan operation has been restored. I never could find where the BCM would control the fan controls but it does.
2008 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TD56658
Hey guys thanks for the tips, we ended up replacing the cam sensor and performing a relearn, all checks ok now. Also checked for sludge and none was found. Trouble codes: P0016 (CKP-CMP Correlation), P0340 (Camshaft Position Sensor Problem).
2008 Chevrolet HHR LT 2.2L engine timing VIN: 3GNCA23D18
Hey guys, thanks for the help! Here's what I found and a little back story on this vehicle. The customer had been driving this thing with a rattling timing chain (busted guides) and a p0016 code, evidently the cam timing took a walk and the timing was out of f...
2001 Ford Escape XLT 3.0L Sun Roof VIN: 1FMCU04141
Thanks to everyone with your help and replies to this forgetful Ford Escape. The issue was indeed the motor which we did have to clock prior to installation. What caused the old motor to forget when to stop is a mystery. But the problem child has been solved a...
2005 Ford F-250 Super Duty Lariat 5.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1FTSX20585
thanks everyone for your advise. a few were thinking it was the old 5.4 with the vacuum elbow behind the trottle body. in fact this is a 3 valve motor and does not have this. a couple did not read that i did drop the exhaust to rule out the converters. other t... Trouble codes: P0171, P0300.
1997 Honda Odyssey LX 2.2L rack and pinion VIN: JHMRA1866V
Fix ended up being replacing the rack. We tried all the replies people suggested before I bit the bullet and replaced the rack. Thank you for all the help
2010 Honda Accord LX 2.4L Key stuck in ignition and gear selector wont shift VIN: 1HGCP2F34A
After 5 hours of tracing wires there was a broken wire between the ECM and the Transmission Range Switch behind the engine near the firewall. I basically just started tearing apart wiring harnesses and was ohming them out until I found an open circuit. Thank...
2004 Hyundai Elantra GT 2.0L MIL Lamp on VIN: KMHDN56DX4
Thanks to everyone who gave their time on this one. The problem, turn out to be a simple case of New England Sand & Salt... When I removed the plastic cover that "protects" the upper portion of the filler neck(in wheel well) a pound of sand fell all over me. T... Trouble codes: P0449 (EVAP emission control system vent valve/solenoid circuit).
1997 Isuzu Trooper LS 3.2L lifters noise VIN: JACDJ58V4V
1998 Lexus GS300 3.0L oil leaks from the cam gear intake side VIN: JT8BD68S3W
2006 Lexus LS430 4.3L phone VIN: JTHBN36F56
thanks for the replies guys. most say to try a new mic, which we will try later on. She doesnt use the bluetooth thing enough to worry about it right now. Looks like the Nav uses voice too, but i dont know what its capabilities are with voice commands. The nav...
2002 Mercedes-Benz E320 3.2L turbo VIN: WDB9046122
after spending considerable diagnoses time on this,took the plunge and fitted new turbo unit,performes like new truck now,it pays to have a close look at the engine values when using das to find any discrepencies when test driving, thanks all.
2004 Nissan Titan XE 5.6L No Start VIN: 1N6AA07A14
ok on the titan i did find a couple grounds not connected so i cleaned them and reconnected still no change.also had the security checked all was i give up and took to dealership.three days later they call me and they cant figure it out.they were asking ... Trouble codes: P1051, P0300.
2004 Porsche 911 GT3 3.6L drivers seat heater VIN: WP0AA29984
Boy do I feel stupid! I knew these were in series, I've done this before...When I pulled the connector to check it was only the seat portion. When I looked at the wiring diagram I started to bang my head on the table! DUMMY! The backrest element was open. I gu...
2001 Saturn SC2 1.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G8ZY12761
Thank you, gentlemen, for your prompt help! This car is finally fixed and returned to its owner. Scott and Charles directed my attention to the IAC motor and its wiring. I checked for continuity between the 4-pin IAC connector and the PCM connector, pins 42... Trouble codes: P1599 (Engine Stall or Near Stall Detected), P0506 (Idle Speed Low), P0507 (Idle Speed High), P0509 (Idle Control System Circuit High), P0107 (MAP Sensor Circuit Low Voltage), P0706 (Transmission Range Switch Performance).
2002 Subaru Legacy L 2.5L Hesitation VIN: 4S3BH63582
Well I finally gave up and sent the car to the dealer. Customer was talking about trading it off when he left. He said he would let me know later if it gets fixed.. Several good ideas but still no fix. Several mentioned the MAP Sensor reading high, A couple of... Trouble codes: P0172.
2007 Toyota Matrix XR 1.8L steering wheel VIN: 2T1KR32E07
Thanks guys for your input and help. I cant beleive this steering wheel is on this tight. I had 2 coworkers try and it did not budge. The end of the steering shaft started to mushroom. I stopped right there and called the customer that if we keep trying it may...
1998 Volvo S70 GLT 2.4L Oil leak VIN: YV1LS5642W
Car went away leaking oil, sob. This occurred during a two-week low point for me for the year. I could only surmise at the time that oil was leaking from head gasket at an oil return passage from head gasket to block. When I checked the exhaust cam rear...
2000 Volvo V70 X/C AWD 2.4L Cuts out, Stall VIN: YV1LZ56D0Y
This car is fixed!!! It ended up being a small split in the upper inter cooler Hose. Very hard to see, but as the car warmed up the hose (which was oil soaked) would open up slightly at the crack. I also removed and cleaned the throttle body for good measu...
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