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Prev Professional Automotive Repair Technical Discussions for March 13, 2013
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2003 Acura MDX Touring 3.5L converter VIN: 2HNYD18663
This is my own car. Bought it used 8 months ago and except for the delay going into slippage just takes 2 seconds to engage, it drove fine. Took many 2 hour trips with no problem until recently on a 4 hour ride. Going up a long slight uphill grade ...
2000 BMW 740i 4.4L Mechanical VIN: WBAGG8343Y
how 2 remove fan clutch what way to turn to loosen
2006 BMW 530xi 3.0L Poor Idle Quality VIN: WBANF73596
This car was towed in because it was overheating. We ended up putting in a water pump and thermostat in, also did a valve cover gasket because it was leaking pretty bad onto the exhaust causing the engine to smoke. after the repair the car had a low idle that ... Trouble codes: 2D06
2004 Buick Rendezvous CX 3.4L Pw & Pl VIN: 3G5DA03EX4
hello guys - no history here - this is a used car lot vehicle... The left rear door - speaker inop - windows inop & power locks inop... have power at speaker (dim) suspect bad speaker ... only power @ windows in UP mode - no power in down ... with locks -- if ...
2004 Chevrolet Silverado 3500 6.6L cooling system VIN: 1GCJC33124
i have this duramax that is getting fuel into the coolant. i have removed the driverside valve cover thinking that this would be faulty injector cups like a ford might have, but after looking at the system i dont think thats possible. i dont work on many chevy...
2005 Chevrolet Astro 4.3L Fuel & Batt gauges, warning lights, PRNDL VIN: 1GCDM19X45
Okay, here goes: KOEO: The instrument panel acts normal. KOER: After the time it takes the ABS light to go out the fuel and batt gauges go to zero, some red warning lights (batt etc.) light up on the right side, ABS light turns on, odometer and speedometer and...
2008 Chevrolet Colorado WT 2.9L secondary air pimp code VIN: 1GCCS14998
I believe the solenoid has a flow sensor built in. Truck has 130k miles. Is there a test for the solenoid and sensor? Is it common with these miles for the solenoid or passages to clog?
2008 Chrysler Sebring LX 2.4L convertible top failure VIN: 1C3LC45K98
Hello guys, have a strange one here. About a month ago this Sebring came in with a conv't top intermittently working. It had a code in the ECU for the power top that indicated an internal failure, so I replaced the ECU. Everything worked fine for about a month...
2009 Chrysler PT Cruiser LX 2.4L no crank VIN: 3A8FY48909
remove engine and trans to replace engine and trans mounts road test vehicle and verify repair. customer took vehicle customer call back after 3days concerning engine wont start he have to wait for few minutes before vehicle start request customer to bring veh...
1996 Dodge Ram 1500 Truck 5.9L No movement when warm VIN: 3B7HF13ZXT
I replaced the converter, front pump and associated seals. during repair I noted that it seemed like the torque converter didnt want to seat into the flex plate completely, possibly the paint on it causing interfearance, using screw driver on ring gear I was a...
2003 Dodge Ram 3500 Truck 5.9L Knocking VIN: 3D7MU48C03
This Dodge Cummins has a knock at idle that the driver says has gotten worse over the last few days. It only happens once the engine is fully warmed up and only at idle. Taking the engine even just off idle makes it almost completely disappear. It sounds like ...
2003 Dodge Neon SXT 2.0L engine VIN: 1B3ES56C33
Vehicle has a cylinder #1 misfire up to 2000 RPM then no misfire. Excellent fuel pressure, new coil pack, new wires/plugs, good compression all cylinders. I ran an injection clean through the system but didn't help. You can hear the injectors firing with the s...
2004 Dodge Intrepid SXT 3.5L Poor Idle Quality, Misfire VIN: 2B3HD56GX4
Car came in with codes and poor idle quality. Replaced spark plugs, no change. Unplugged Cyl. 1,3,5 coils each individually and very little difference in rpm. Checked for bank power to the coils, and its ok. Checked for signal to coils, ok. Removed o2 sensor n... Trouble codes: P0132 (O2 B1S1 Circuit high voltage), P0306 (Random/Multiple Misfire)
1998 Ford F-150 Lariat 4.6L Misfire VIN: 1FTZX18W5W
My Sons Truck. Just Installed This Engine With 190000 Miles But Truck Has 234000. Anyways, Was Running Fine For A Few Days But Then Not Running So Well. Code P0301. Checked Plug And Wire And Although Looked OK Changed Them Anyways. Same Problem. Swapped Coil W... Trouble codes: P0301 (Cylinder 1 Misfire)
1998 Ford Ranger Splash 2.5L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTYR10C8W
hey techs. have a 98 ranger 2.5L manual trans 2wd. came in with poor idle/stalling. found code p0102 mass air circuit signal low. scan data showed .02volts at idle and at speed. replaced maf with the same result. checked 4 wire connector, has battery voltage o... Trouble codes: P0102
2000 Ford Taurus SE 3.0L alternator VIN: 1FAFP5321Y
Hi everybody. I hope all of you are doing OK. Then I need to ask you for your help. It;s about a 2000 Ford Taurus with 3.0L engine with 12 v. and flex fuel that keeps killing the alternators; In the last 2 months we have put 3 new alternators and 3 new battery...
2000 Ford E-350 Econoline 7.3L cam postion sensor VIN: 1FDSE35F3Y
Well to start off, this thing is about to make me pull my hair out but here we go This vehicle is a ambulance used by our local volunteer fire dept. It was brought in for a stall/hard to restart problem at times. I test drove truck and sure enough a couple ...
2001 Ford F-550 Super Duty XL 7.3L Cuts out, Poor Fuel Economy VIN: 1FDAF57F41
Ok so I am pulling my hair out on this one. It has been in the shop several times and I cant find the fault. I have had new injectors put in and a new IDM all from swamps diesel, new felpro valve cover gaskets with harness. and some new sensors. But still get ...
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L hydro boost VIN: 1FTSW31P44
Have a F-350 that makes a type of roaring noise comeing from the left of vehicle near firewall(sounds like). Noise only lasts 3-5 seconds while at cruise speed. Wont do it just idleing, doesnt seem to have any drivability problems, doesnt seem to have any effe...
2006 Ford Fusion SEL 3.0L Misfire, MIL Lamp on VIN: 3FAFP08186
Vehicle came in with random misfire, and codes for front bank misfires. 4, 5, 6. scanned computer and observed bank 2 downstream O2 sensor flatlined. Installed new sensor and ran self test with normal operation. Vehicle returned with same codes and O2 flatline... Trouble codes: P0304 (No. 4 misfire), P0305 (No. 5 misfire), P0306 (No. 6 misfire), P0300 (Random misfire/misfire on start-up)
2006 Ford Explorer Eddie Bauer 4.0L `brake to trans.shifter in console VIN: 1FMEU74EX6
Customer has driven about 1000 miles since the repairs has been done on transmission and all is well on the fix. noticed about 4 or 5 days ago a clicking in park when push on the brake and can feel in the shifter handle in the console. It comes out of park wit...
2000 GMC K3500 Sierra SLT 5.7L ABS & Speedometer VIN: 1GTHK34R5Y
ABS lite on. Replaced front calipers, rotors, hub&bearings/abs sensors. Cleaned rear brake shoes and drums. Pressure bled system. Cleared codes and road tested. ABS lite came on imediatly upon starting to move. Hooked up Solus scanner and read front sensors an...
2007 GMC Yukon XL 1500 SLE 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKFK16367
We have a 2007 Yukon XL 1500 with a misfire on #1 and #8. #1 cylinder is filling up with gas. When it first arrived there was zero compression on #1. we replaced the injector, removed the valve cover to check for any spring issue. removed the intake and found ... Trouble codes: P0201 (Injector 1 control circuit), P0300 (Random misfire)
1999 Honda Accord EX 3.0L Hesitation, Misfire VIN: 1HGCG1650X
fuel pressure normal 41 psi with vacuum disconnected Trouble codes: P0300, P0302, P0303, P0305, P0306, P1399
2001 Honda Accord EX 2.3L Hesitation VIN: 1HGCG56401
P1381 CYP Sensor Intermittant interruption: This fault only appears very intermittantly after about 30 mins of driving. I have so far been unsucssesful in capturing any relavent data from this vehicle because of this intermttency. When this fault does occur t... Trouble codes: P1381 (CYP Sensor Intermittant interruption)
2003 Jaguar XJ8 4.0L Poor Idle Quality, MIL Lamp on VIN: SAJDA14C93
Veh originally came in 1/16/13 with fault code p0171-too lean b1. Smoke tested intake sys for vacuum leaks, found all crankcase ventilation lines were leaking a small amount at connections as well as resonance tube on intake tube was cracking away from intake ... Trouble codes: P0171 (Too lean bank 1), P0174 (Too lean bank 2)
2009 Jaguar XJ8 L 4.2L readiness moniters VIN: SAJWA79B49
Icant get the o2 moniter or the evap moniter to run.The o2 heater ran as did the cat, egr, secondary air , and the heated cat.Fuel trims are LTFT B1 -6 BANK 2 -3 STFT +3 B1 =1 BANK2. Coolant is 195 degrees. I hear the evap can take forever but is there a trick...
2004 Jeep Grand Cherokee Laredo 4.0L head VIN: 1J4GW48S54
jeep techs i need imformation on pulling head on 4.0 what to look out for and any special tools. best way to deal with intake,leave it in vehicle or pull with head,are push rods all same length?CAN U REUSE HEAD BOLTS?any technical imformation would be apprecia...
2007 Jeep Wrangler Unlimited X 3.8L Check Engine Light VIN: 1J4GB39117
Vehicle came into the shop for motor replacement. It was damaged when it was run low on oil. We replaced the engine with a re-manufactured longblock assembly. Once it was reinstalled and the vehicle was started the oil pressure light, and the check engine lig...
2008 Jeep Wrangler Unlimited Sahara 3.8L Surge, backfire VIN: 1J4GA59178
Ok, this customer had the Jeep shipped from Hawaii. Once in Louisianna cust pick up from shipping company and drove across street and filled tank. Cust noticed a misfire or slight backfire on acceleration above 60 mph. I did experience the complaint (or concer...
2003 Kia Sorento LX 3.5L Timing & valves
Hello fellow techs. I'm trying to figure out if this is something our technician did or just bad luck. The car originally came in for running a little rough and smelling burnt oil. We sold the plugs and wires and valve cover gaskets. Replace and we went to sta...
2003 Land Rover Range Rover HSE 4.4L Steering angle sensor VIN: SALME11443
Vehicle arrived with ABS and brake warning lights on. Also Air Suspension Inactive and HDC warnings on. I retrieved fault for steering angle sensor and Can bus fault from ABS, and Can bus fault for Air Suspension. Replaced steering angle sensor and calibrated ...
2005 Maserati Quattroporte 4.2L Water Pump VIN: ZAMCE39A65
Hey fellow techs, this Maserati was towed in for an overheat condition, as well as massive engine noise. Started vehicle up and found oil pressure warning light is on dash. Oil level is full. From the limited info I have found, I believe the water pump and oil...
2003 Mazda 6 S 3.0L Poor Idle Quality, MIL Lamp on VIN: 1YVFP80D53
Thank you in advance to all you techs. This car is kicking me in the rear. Customer barley purchased this car. The car has P0340 and P0345. At idle the tachometer will not read RPMS and the traction control lights are on. When you rev the vehcile above 3000 RP... Trouble codes: P0345 (Camshaft position circuit bank 2.), P0340 (Camshaft position circuit bank 1.), 1NSPE, RE1UC, WHEE1
2004 Mazda RX-8 1.3L Excessive Emissions, No Start VIN: JM1FE17324
Hello all. Hope there are some rotary folks out there that can give us a hand with this one. After driving the car til it's hot/warmed up when you stop the car and come back to it withing minutes the car has a cranking no start issue. After waiting about 15-...
2003 Mercedes-Benz S600 5.5L trunk release and door locks VIN: WDBNG76J93
door locks and trunk release are not operating.when key phobe lock or unlock button is pressed the lights blink showing it to be locking and unlocking of doors or trunk but not actuator movement on doors nor trunk
1992 Mitsubishi Expo LRV Sport 1.8L injector pulse VIN: JA3CV40D5N
computor doesnt seem to communicate, hooked up master tech, dont get any data stream or codes, extracted codes with analog meter before this, but nothing now, dont want to throw a computor in this or a disributor, until i find this, tests, wiring colors, seem ...
2004 Saab 9-3 Arc 2.0L Ignition switch VIN: YS3FD79Y74
Good afternoon Saab techs everywhere,This happens to be my wifes car.I brought it in for an alignment and the battery went low,so we recharged the battery,Now when I insert the eletronic key into the switch it does not turn,on the information display it reads ...
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K61
Car came in with a check engine light on, code p0401 insuffecient egr flow. We check hoses, solenoid, trancducer, egr valve and found all to be working. The valve gets about 2.5 in vaccum while driving. We checked for restriction jin ports and when applied vac... Trouble codes: P0401 (Egr insuffecient flow)
2006 Toyota Tundra Limited 4.7L Traction control VIN: 5TBDT48156
I love Toyota's but this one sucks! This truck came in with a traction control problem. The traction light will come on on sweeping high speed turns(about 60)and it will beep at you like the truck is slipping. In tight turns at about 30 to 40 mph the traction ...
2008 Toyota Sienna CE 3.5L Both Doors VIN: 5TDZK23C28
I cannot find any info on how this system works. No body codes, verdict has no help.
1984 Volkswagen Rabbit (Car) L 1.7L Stall VIN: WVWCA0159E
This vehicle came in with a high idle problem and stalling while going down the road. We replaced the spark plugs and distributor cap and rotor as the plugs were badly worn and the distributor cap was corroded. Then set the timing and adjusted the idle and the...
2003 Volkswagen Passat GLS 1.8L Misfire VIN: WVWVD63B13
Engine just started exhibiting a misfire at idle issue. No external vacuum leaks were found. Moving the coils around did not change any codes. Could hear what sounded like a vacuum leak coming from the pressure diverter valve. Removed it and found that the ins... Trouble codes: P0171 (Lean bank 1), P0300 (Random misfire), P0301 (Misfire cylinder 1), P0302 (Misfire cylinder 2)
2001 Volvo V70 X/C 2.4L Poor Idle Quality, Stall, MIL Lamp on VIN: YV1SZ58D91
I have my fathers vehicle that I need some help with. Vehicle would run but was in limp mode. I found #7 fuse in the battery junction box blown. I replace the fuse and it blew again. I unplugged the throttle body and replaced the fuse. Fuse did not blow. I cal... Trouble codes: P1021 (throttle unit faulty signal), P1025 (ECM internal fault faulty signal)
2005 Volvo XC90 2.5T 2.5L MIL Lamp on VIN: YV1CZ59265
Help 1 Came in for a smog. Failed it for a broken pcv vent tube. It runs from the oil separator to the valve cover. Replaced and passed smog. all monitors were run. 2 Returns 3 weeks later with a p0101 Maf. Smoke test complete intake system up to the maf. no... Trouble codes: P0101, P2177, 121B, 212C, 21EC
2008 Volvo S80 3.2 3.2L key fob
Hi Volvo techs..I have a S80 with push button start and the key fob is stuck in the dash if you try to remove it you can hear the release motor work but fob will not move..called local Volvo dealer and they said that the fob may have been inserted upside down ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW 330Ci 3.0L Unknown VIN: WBABN534X3
THANKS FOR ALL HELPFULL INFO THAT I Received.I c/k all pwr & gnd to the TCM the all within spec,I have even close in on the pins @ the Trans harness just To make shore I had a thight connection still no progress .IM diffidently thinking the vehicle has a h...
2004 BMW 545i 4.4L engine VIN: WBANB33514
Thanks to all that replied. As many suggested we replaced the oil pressure switch. So far the warning light has not returned. Thanks, and good luck to all.
2005 Chevrolet Uplander LS 3.5L Misfire VIN: 1GNDV23L05
I was not able to complete or resolve the issue with this car. The customer decided to trade the car in for newer onte and that was the end , so I am sorry guys I was not able to give you info on this even i was left in the dark. Trouble codes: P0300 (Random misfire), P0306 (Misfire on 6 cylinder).
1990 Daihatsu Rocky SE 1.6L Hesitation, Cuts out, Misfire VIN: JD2FF3109L
Thanks to all who replied. Especially Kurt and Andres. after doing a running compression test ending with 35 psi per I am fairly certain that replacing the engine will greatly improve drivability. I wanted to cover my bases just in case there were any other ...
2001 Dodge Ram 1500 Truck ST 5.9L guages buss VIN: 1B7HF13Z91
Well the truck is still at our shop and is NOT fixed. We replaced the ignition coil because that was suggested by the tech line. They said the coil can short out and ruin the PCM as soon as you plug it in. That didn't help. We have also heard of a lot of probl...
2002 Dodge Grand Caravan EX 3.3L Lights, radio, VIN: 2B8GP44302
Replaced PCM, fixed the issue. My guess is when the alternator went out it damaged the voltage reg. inside the PCM. Expensive but confirmed fix.
2002 Ford Taurus SE 3.0L Cooling Systems VIN: 1FAFP53U02
WOW!! Thank you all for the excellent responses. A lot of great view points and ideas. Ended up being broken down coolant. Drained block and flushed,flushed , flushed. Ended up looking and cooling great. Future will tell the rest of the story. Thanks again. Bo...
2003 Ford Focus SE 2.0L No 3rd Gear VIN: 1FAFP34353
sometimes you need to trust your own diagnostics--- bad replacement transmission replaced again/ works perfect//
2005 Ford Freestar SE 3.9L Hesitation, Surge, Misfire VIN: 2FMZA51675
Unfortunately, the customer is not willing to let us spend any more time on this vehicle. He states he will be trading it in. Thanks for all the input.
2000 GMC Yukon XL 1500 SLE 5.3L brake pedal VIN: 3GKFK16T3Y
First thanks to all the masters and Nice persons who took time to help on this vehicle. speacial thanks to all TEXAS techs Azael, Danny, Paul, Brain and CA tech Stephen. All of you are right. This is what Tech has done to fix it properly, as per Pauls advi...
2006 GMC Sierra 2500 HD SLT 6.6L Stall VIN: 1GTHK23D26
Thanks all, It's fixed! The problem was rat lunched on the wiring harness near the fuse box. It sounds easier than it was, but it starts and runs great. With all of us and iATN working together we'll get everyone of these POS's repaired! ~Cheers~ Trouble codes: U1000 (Lost communication with a module.).
1999 Infiniti I30 3.0L Misfire VIN: JNKCA21A1X
we knew we were going to replace the other coils, car has not been back after the new coils were installed, would like to thank paul for reading my post and answering my question, unfortunatly this car does not have TID 53, was worth a try for usful info. Trouble codes: P1320.
2004 Isuzu Axiom S 3.5L No Start
checked for cams shearing on gears was not a problem on this one.disconnected aftermarket remote starter no change.i beleive this one will need a ecm.cant program so we had to ship this one,thanks for all the help.
1993 Land Rover Range Rover County LWB 4.2L Speedometer VIN: SALHC1349P
Thanks Cedric and Jim, your info was most helpful and right on. I was getting a square pattern at the yellow and pink wire to the speedo head, but it was only switching to 3 volts. The speed buffer, behind left kick panel, white relay looking unit, was at fau...
1998 Lincoln Navigator 5.4L Misfire VIN: 5LMRU27L2W
Thanks for all the help, the battery died again and the customer replaced it, which she stated fixed the cyl miss cyle issue. I didn't get to do an amp probe draw test so I don't know if she has a voltage draw. Vehicle is running fine so we will see if it hol...
1997 Mercedes-Benz C280 2.8L Hesitation, Cuts out VIN: WDBHA28E0V
I checked out the two catylitic converters both flow fine. I wound up putting a new (used) electronic actuator (TPS). Still have not fixed problem.
2004 Mitsubishi Galant ES 2.4L Poor Idle Quality, Stall VIN: 4A3AB36F04
Finally was able to get the customer to leave the car with me for a day. No stored codes in the computer. Got permission to pull timing covers. Customer stated that he thought the timing belt was replaced about 20,000 miles ago. All timing marks lined up and e...
1995 Nissan Maxima GLE 3.0L heater core VIN: JN1CA21D6S
customer elected not to fix car due to age and mileage.replies was dash would have to come out and quote 8 hours for job.
2000 Oldsmobile Alero GL 2.4L Cooling Systems VIN: 1G3NL52T3Y
So i went and bypass the heater core and runnet for a while, drove for a while and it did ran a lot cooler but when returned to the shop and left it running the temp went half way so i went and replaced timing chain tensioner and now the vehicle ran at the rig...
1993 Toyota Pickup DLX 2.4L Stall VIN: 4TARN81P2P
ok sorry to do this to you guys but the truck got moved out back . around here that means it's gonna be here a bit . I did follow all your ideas and having signals into the comp and nothing out I would say comp as well , I appericate all your help wish I could...
1999 Volkswagen Jetta GLS 2.0L No Start VIN: 3VWSA29MXX
IATN needs a longer help request time limit for back-burner diagnostic nightmares like this one. I feel like I'm almost there with this one but not ready to post a fix yet. I appreciate all the responses and most were still suggesting the comfort module. I pul...
2005 Volkswagen Beetle GLS 1.8L MIL Lamp on VIN: 3VWCD31C45
This car defies all logic! Yes, according to VW Factory Manual, all other sources, (with the help of Identifix, thanks again Adam) it should work as described-but it doesn't. This engine was only used a few years and then never made again and we believe it h... Trouble codes: 16516 (B1 S1 Signal hi), 16414 (B1 S1 Heater circuit open).
2006 Volkswagen Jetta 2.0T 2.0L gears VIN: 3VWNJ71K66
custemer replaced vehicle speed sensor the problem steel there.
2007 Volkswagen Jetta 2.5 2.5L Misfire, MIL Lamp on VIN: 3VWPG71K77
Unfortunately we had to give the car back to the customer. He will bring it to the dealer. Because we could not duplicate the problem at the shop, it's difficult to find an intermittent problem. I did visually look at the entire wiring harness all the way back... Trouble codes: P1643, P0203, P0300, P0303, P0301.
2002 Volvo S40 1.9L Poor Idle Quality VIN: YV1VS29502
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