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Prev Professional Automotive Repair Technical Discussions for October 28, 2011
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1996 Acura Integra Special Edition 1.8L Cuts out VIN: JH4DC4365T
This one is a real tough one. Very intermittently on acceleration this car will lose power as though there is a lack of fuel. It happens for about 2 seconds and then the acceleration picks up again as though nothing was wrong. It had come in with 2 lean codes ... Trouble codes: P0171, P0170
1982 American Motors Eagle Limited 4.2L starter VIN: 2CCCK3872C
Car came to us 8K miles ago with a very noisy starter, like misaligned, wrong depth, or mismatched numer of teeth. Customer says starter and ring gear replaced 4 years ago, but was not this noisy when he picked it up from them. We inspected ring gear for damag...
2001 Audi TT 1.8L Chutch VIN: TRUTC28N51
Hello fellow IATNers. I have a puzzle here that I am hoping someone has run across before. We have an Audi TT with a turbocharged engine and a manual transmission which presented with a fractured transmission housing. The transmission was replaced with a used ...
2003 Audi A4 1.8L Pings VIN: WAUVC68EX3
Hello everyone and thanks for the advice on this one. I have this 1.8 turbo A4 in that under light acceleration the engine has a noise that appears to be a detonation/pinging sound. I cannot powerbrake it and get it to do it..but while you are driving and you ...
2000 BMW 740iL 4.4L starter VIN: WBAGH8340Y
hello iatn, This vehicle came into our shop with a battery light on,vehicle charging at 14v and the alternator was replaced. Cleared codes and battery light turned off. Vehicle has an intermitant no crank condition that was suspect to already be there origanl...
1984 Buick Regal T-Type 3.8L No Start, Cuts out, Stall VIN: 1G4AK4796E
I have a car that was brought to me by a guy who put an engine in and could not get it running. Itís a 1984 Grand National. He put a 1987 module and coil with an updated harness adapter on it. I found he just stuck the cam sensor in without timing it. I correc...
2005 Chevrolet Equinox LT 3.4L driveshaft VIN: 2CNDL73F05
Rear driveshaft front joint is a CV type joint. Cant get inner race out of flange. Came apart 6 balls and cage. Can not put it together in car. Balls keep falling out. Inner race seems to be pressed in. I tried to split it with a sharp cisel but no luck.
2007 Chevrolet Suburban 1500 Z71 5.3L Radiator VIN: 1GNFK16347
Hi all! I have here a Suburban that has a timing cover leak. Coolant is milky but oil and transmission fluid is not. All coolant hoses are contaminated. I would think that either the trans or oil will be milky. This vehicle also consumes oil. Any help apprecie...
2009 Chevrolet Cobalt LT 2.2L Ac VIN: 1G1AT58H69
Thanks in advance for all your help, have an 2009 colbalt that leaks water into the floor only when the ac is on. Drain tube seems to be clear, able to run a wire thru it. Has anyone ran into this before? thank you again
2005 Chrysler Crossfire 3.2L MIL Lamp on VIN: 1C3AN65L65
DTCs rich bank 1 and 2, Long term fuel trim is at around -25% @ idle banks one and two. While driving heavy accell can recover to -14% but goes right back up to -25% at idle. cruising speeds normal throttle does nothing to LTFT. Using generic OBD2 to diag as L... Trouble codes: P0172 (Rich bank 1), P0175 (Rich bank 2)
2000 Dodge Durango 4.7L Abs Module VIN: 1B4HS28N5Y
This vehicle came in with abs pump running all the time even with the ignition off.we get a used abs module and tryed still doing the same .we check grounds .power from ignition switch goes out when turn off .i'm thinking that i have a defect one
2003 Dodge Ram 1500 Truck 5.7L tcm VIN: 1D7HU18D33
Truck came in last week with no communication with TCM and in limp home mode. Did some pin out test and it led us to replace the TCM. After replacing the TCM It will intermittently communicate. When it does the PRND21 is lit up. Other wise it is not. If you mo...
1988 Ford Mustang LX 2.3L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1FABP40A0J
Problem Child, Came in Shuddering and Shutting off, Did a Tune Up and problem got better but still shuddering, replaced Ecu due to lock up issues on the trans. I have a random misfire, soot on the plugs and a shudder when engaged in gear and a rough idle.
1990 Ford F-150 Custom 5.0L starter VIN: 1FTDF15N8L
Need some help...desperate. This vehicle has a problem with the starter staying engaged. We replaced the starter solenoid and starter 4 times. Replaced the ignition switch. Ran a new wire from the ignition switch to the clutch switch. Then from the clutch swit...
2000 Ford Ranger XL 4.0L Crankshaft VIN: 1FTZR15XXY
I bought this pick-up (for my son) with a "toasted" engine in it. The block and heads were not usable, so I got a salvage yard engine that (supposedly) came out of a 98 Explorer. The block casting #'s are the same. (97TM-6015-AA)My question pertains to the cra...
2000 Ford Focus ZX3 2.0L No Start VIN: 3FAFP3131Y
Hi all got another hand me down car, car came in cranks ok very poor idle then a no start still cranks ok though. Spark and injector pulse not there. Has new crank sensor in it already. Tried another sensor real quick no change.still no codes. Now ck engine li...
2001 Ford Mustang GT Bullitt 4.6L O/D Light VIN: 1FAFP42X21
Have an intermittent flashing o/d light.trans will downshift from o/d to second and then back to third.had codes for torque converter solenoid.replaced all solenoids,internal harness,connector between internal and external harness,as well as external harness p...
2003 Ford Explorer XLT 4.6L Poor Idle Quality VIN: 1FMZU73W03
Customer said service engine soon light is on. Also, truck quits at corners. unstable idle intermitantly. scanned truck, found p0506. Cleaned throttle body. Tested IAC by grounding neg side. did not idle up. Replaced IAC valve. now code is gone but idle is m... Trouble codes: P0506
2003 Ford Excursion Eddie Bauer 7.3L MIL Lamp on VIN: 1FMSU45F23
Alright, this vehicle came to us with just the engine light on and no other complains. We replaced the valve covers/harnesses since we've seen this before several times and that fixed them, but not on this one. Now, customer has never felt any misfire/rough r... Trouble codes: P1316
2005 Ford F-150 King Ranch 5.4L Ride control VIN: 1FTPW12505
Have this 2005 F-150 with severe shaking at 55-60 mph. Knew right away it had to be the lever for parking brake shoes in back. Found left one stuck. Replaced with new from ford and greased well as well as right side. Test drove, still shaking with even the wip...
2005 Hyundai Santa Fe GLS 2.7L Lateral G-Sensor VIN: KM8SB73D05
Hey this is not so much as a request for help but just information for others who will run into this problem. I had this Santa Fe come in about 2 months ago with false traction control activation at highway speeds (100 km/h and above), and lights for ABS, and ...
2004 Infiniti QX56 5.6L Key Fob, Interior Lights VIN: 5N3AA08C44
This one is a qx56. Customer states that the key fob will not lock or unlock the doors, panic button, or the hatch release. The interior lights do not come on when the doors are opened. The master door lock switch will lock and unlock the doors. The rear hatch...
1998 Jaguar XJ8 4.0L Cuts out, MIL Lamp on VIN: SAJHX1244W
Hello, this is an excellent customer with a weird problem. Per customer, he is driving vehicle and car will just cut off, he pulls off to side of highway and will key off and start right back up first time, everytime. He says it always happens only when cruisi...
2000 Jaguar Vanden Plas 4.0L Misfire VIN: SAJDA2408Y
I have a 2000 Jag. 4.0 V-8. My scan tool shows cyl. 2 and 4 misfire. I have aldatta in shop. My problem is someone in my area told me that aldatta may be wrong on the firing order. So, before i start digging into this car i would like to ask if someone from th... Trouble codes: P0302 (cyl. 2 misfire), P0304 (cyl. 4 misfire)
2001 Kia Sportage 2.0L Poor Idle Quality, Hesitation, Surge, Stall VIN: KNDJA62391
The vehicle towed in. Hard to start(had to pump gas pedal) and idling not so good and stalls and surges if I push gas to take off. Symtoms are like with plugged catalytic converter or low fuel pressure. feul pump and filter replaced but did not improve. Cataly...
2004 Land Rover Discovery SE 4.6L Misfire VIN: SALTY19444
Hello Group, I am pretty certain that I have a bad coil pack on this one.Misfires on cylinders 1 and 6. I am trying to scope the ignition secondary.This v-8 has 2 coil packs.I have the scope set on distrubutorless ignition,secondary.The hookup is simple.One ... Trouble codes: P0301 (misfirecyl.1), P0306 (misfirecyl.6)
2003 Lincoln Town Car Signature 4.6L Park Assist VIN: 1LNHM82W83
Car came in with Park Assist Disabled. We found the wire harness connectors in wrong locations & corrected that condition. We ran self test and keep getting C1983. As per Ford TSB we replaced the Park Assist Module and cannot get the learn procedure to complet...
1992 Mercedes-Benz 500SEL 5.0L Right T/S VIN: WDBGA51E0N
hello fellow mb techs. this fine jewel of a 140 has the right t/s front and rear steadily lit most all the time. of course t/s is operated by either s4 combination switch or s6 hazard switch. the right t/s e6e2 comes from n7 lamp module (already replaced, see ...
1997 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA28EXV
This vehicle sets code P0341 while cranking? The sensor has been replaced. The air gap has been checked. Engine starts & runs fine. Could there be a variable timing issue? Please help? Trouble codes: P0341, P0460 (tank fill level too low), P0330
1998 Nissan Maxima GLE 3.0L Cuts out VIN: 1NHJ5469KH
1991 Pontiac Trans Sport 3.1L Faulty ECM VIN: 1GMCU06DXM
Hi all, Helping a friend with his sweet ride. He's the original owner of this beauty and I wanted to fix a couple of minor items on it so he could drive it for another 20 years. While working on the air conditioner, I noticed that the cooling fan would not com...
2005 Pontiac GTO 6.0L Poor Idle Quality, MIL Lamp on VIN: 6G2VX12U25
app sen 1 voltage only goes to 2.39v at wot app2 and both tpp sensors flip flop as they were supposed to. and now the idle even after tech 2 relearn wont drop below 2000. also we cleaned the throttle plate with castle induction cleaner it was gummed up. recent... Trouble codes: P0121 (Throttle Position Sensor or APP Sensor 1 Problem), P0507
2007 Saab 9-3 2.0T 2.0L air bag VIN: YS3FD76Y07
I have an airbag code b0084-05 but my All-data has no info on this code. The only thing I can find is its a problem with the right front impact sensor. The car has never been in an accident and there is no record of an airbag deployment. Any info on this would...
2005 Toyota 4Runner SR5 4.0L Four Wheel Drive VIN: JTEBU14RX4
Toyo techs i need some help on this one.this 4runner has got me ripping my hair out.the vehicle came to me from auction so i have no other history. It arrived with both amber and green 4x4 lights flashing.i checked the transfer and add actuators and found issu...
2010 Toyota Hilux 3.0L Intake Sludge VIN: MRODZ22G30
You have to see this to believe that a vehicle with such low mileage could have an intake with so much tar like substance in the system. (I am happy to email pictures of the intake opening, EGR and intake body, which were taken after a BG diesel cleaning induc...
1999 Volkswagen Jetta GLS 2.0L No Start, Cuts out VIN: 3VWSA29M1X
Looking to see if anyone has ever come acrossed anything like this before. cam sensor code has not came back... Thanks to all...
2000 Volkswagen Beetle GLS 2.0L Differential Vent Tube VIN: 3VWCC21C0Y
Differential oil keeps leaking out vent tube (near the speed sensor) even though (according to the speed sensor dip stick) it is at the correct level.
2007 Volkswagen Jetta 2.0T 2.0L Steering Wheel Switches VIN: WVWEK73C77
Car was brought in with complaint of no steering wheel switch control, horn not working. Scanning system brought up 01426 control unit in steering wheel, E221 no signal/no communication. 00466, electrical control module for steering column electronics. j527 no...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1987 BMW 535i 3.5L Unknown
Thanks to all who replied. I will definitely do the accumulator, and probably the switches and filter as well. I was really surprised at the number of responses, something I might have expected for an easy chevy or honda problem, but not for what I thought to ...
1991 Chevrolet LLV 2.5L No Start, Cuts out, Stall VIN: 1GBCS10A4M
This job was shipped to USPS repair garage where they just thru a fuel pump at it and shipped it.We are now waiting to see if it returns on a hook.I will repost further developments as they occur.Thanks again for all the great responses that I recieved.Y ou g...
1996 Chevrolet C1500 Silverado 5.0L engine swap VIN: 1GTEC14M7T
The other shop is going ahead with the swap. But keeping a sharp eye out for the unusual, crankshaft pilot hole, etc. as there should be no problem with radiator or shroud. Thanks to all responses! Phil Fuhrman
2003 Chevrolet C4500 Kodiak C4C042 6.6L Injector hole coolan VIN: 1GBE4E1173
Thank You to all that responded but sometimes We tend to overlook the easiest of things Had one of my helpers pull the injectors on one side and I did not notice he had pulled the cup with the injector the o-ring on injector "between injector and cup" had move...
2006 Chevrolet Equinox LS 3.4L no abs, no traction control VIN: 2CNDL13FX6
Watched wheel speed on a scanner. LR wheel speed sensor dropped out. Changed out the sensor and repaired the problem. Thanks to all who offered advice!
2002 Chrysler Voyager 3.3L Solenoid pack VIN: 1C8GHB5R72
Thanks to everyone, the consensus was pretty clear so a new updated solenoid pack and gasket was fitted and so far so good, our supplier also suggested we may need to fit a check valve to cooler return hose to help with a possible drain back problem due to int...
2004 Dodge Intrepid SE 2.7L Pcm VIN: 2B3HD46R34
Cory from Kansas was the closest (although I didn't read his post until after I had it fixed). I got me a good Mitchell wiring diagram and proceeded to trace the sensor wires. I started with the crank sensor; I verified a 5v power and a good ground. Next I ...
2001 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF07231
Gentlemen: Thanks to all who replyed and I apologise for not giving more information until now, the truck came in late and the only information I had was the codes. Once plugged into the Modus, I saw that both banks were running about 15% lean, though only B2 ... Trouble codes: P0402 (Egr excessive flow), P0174 (System too lean bank 2).
2005 Ford E-350 Super Duty 5.4L No Start, MIL Lamp on VIN: 1FTSS34LX5
Fellow techs, I found the plug on the fuel pump control module to be corroded. It's the same reason I replaced the module, and at that point I thought the plug looked OK.Upon further inspection, I found some corrosion, replaced with a used, clean harness, an... Trouble codes: P0191, P0193.
2005 Ford F-150 XLT 5.4L Hesitation, Cuts out, No power VIN: 1FTPW14565
put a tps in and havent seen the truck since so i assume its fixed. I would have liked to reflash/update the ecu program but my service manager thinks he knows more than me and ford and decided to skimp on the reflash. i compared the voltage readings from the ... Trouble codes: P2106 (P2135- Tps/apps malfunction), P2135 (Tps/apps malfunction).
2006 Ford Fusion SEL 3.0L MIL Lamp on, VIN: 3FAHP08106
I replaced the fuel pump and have not had a single MIL come on. The new pump puts out a steady 68 lbs at all speeds. LTFT have come down and it has more pick up. I agree the high LTFT readings were a sign just wanted to make sure I was not over looking somet... Trouble codes: P0171 (Bank 1 lean), P0174 (Bank 2 lean).
2002 Land Rover Range Rover HSE 4.6L abs VIN: SALPM16472
Specail Thanks To Carlos from Virginia, Carlos you hit it right on, I replace it with a used unit as you recommeneded & that solved my problem, the brake switch is a part of the pump assy, We all learn as we Go...Thanks Again
2006 Mercedes-Benz CLK350 3.5L Srs VIN: WDBTK56616
did not get anywhere on this one. I sent the vehicle to the dealer, they still have it and have yet to come up with an answer after replacing the driver(side) airbag in the seat along with the connector..
2007 Mercedes-Benz CLS550 5.5L Suspension VIN: WDDDJ72X37
We tried to activate compressor with scanner and it would not respond. Found that compressor was fried. Power and ground were good. Installed new compressor and relay and recalibrated system. All is good.
1996 Mercury Cougar XR-7 4.6L No 2nd Gear VIN: 1MELM62W8T
Leonard from Arizona was straight up and to the point. Pay attention to the questions being asked by those seeking help. We found a "low mileage piece from LKQ Crystal River, FL. Thanks David for your help. Their guys know their stuff. Simply checking the wiri...
2005 Mini Cooper 1.6L testing VIN: WMWRC33505
well,sometimes it amazes me that we have to interrogate customer to get the truth out of them . I cant believe they don't understand that giving more info will help fix the car faster.This car was in a major accident , salvaged title. The dme was somehow modif...
2001 Nissan Maxima GXE 3.0L MIL Lamp on
2002 Nissan Maxima SE 3.5L Stall, MIL Lamp on VIN: JN1DA31A62
Thanks for the good advice.This vehicle will be repaired IF Search Parts in Florida ever returns the computer to me.Today is 2 weeks and the customer and myself are both getting unhappy with the wait.Probably won't be tempted to use them again! Can anyone reco...
1995 Pontiac Bonneville SE 3.8L No Start, Cuts out VIN: 1G2HX52K4S
Thank you very much to all those who replied. This network sure has helped in many situations, this being one of them. Keith, Matt, Ronald, Andrew, Michael, and Paul were correct with it being the ecm. Thankfully, Keith, Rob, and Henry were correct that it ...
2008 Subaru Impreza WRX STI 2.5L head light VIN: JFIGR89668
thanks for the help replaced the ballast and it fixed the problem i did have to remove the bumper to get the head light out.
1985 Toyota Corolla DLX 1.6L Poor Idle Quality, Misfire VIN: JT2AE82E0G
Well first thanks to all who replied got alot of good info Duane and james hit it it was a pluged idle jet i did soke it in carb dip but i missed it it was pluged on the very end cleaned it out removed the idle selniod and the idle screw and flushed out and bl...
1998 Volkswagen Jetta GLX 2.8L Right Front Wheel Bearing VIN: 3VWTD81H1W
1998 Volvo V70 X/C AWD 2.4L No Start VIN: YV1LZ5642W
Thank you all for your replies, which I did follow up on. The engine ECU was the fault. Replaced with a used matching unit and the car runs fine.. Thanks again Trouble codes: 314 (Cpm sensor), 123 (Ect sensor), AT213.
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