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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 7, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A6 Quattro Avant 2.8L No communication with any control unit VIN: WAULH64BXY
Hello all, so I have a K-bus that isn't functioning properly. I have tried scanning multiple modules with a SnapOn Modis and a Launch X431 as well as generic OBD2 scanner. Nothing, no communication what so ever. I have an oscilloscope on green wire for the K-b...
1992 BMW 525i 2.5L Clutch Master Cylinder VIN: WBAHD5312N
Cust brought own parts. Installed clutch master cylinder. Pedal very low when master cylinder installed. Checked part with two different suppliers. Checks ok. Master cylider bolt up very basic. Wondering if parts are missing. Possible bracket. Mitchell gives c...
2000 BMW 328Ci 2.8L cylinder 5 VIN: WBABM5346Y
car came in with a serious misfire.scaned the car code 242 plus multiple cylinder misfire cleared code. only code po305 returns. replace spark plugs and boots.car improved now car only misfires on cold start ups on cyl 5 also swapped coils,injectors,checked co...
2003 BMW Z4 3.0i 3.0L comprehensive component monitor VIN: 4USBT534X3
need to inspect vehicle but will not set comprehensive component monitor.performed drive cycle many times. vehicle has no stored trouble codes. called bmw to check for recalls and tsbs. found no related. this is a continous monitor so should set with no drive ...
1992 Cadillac Seville 4.9L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 1G6KY53B6N
i have cyls 3,5,2,4 dead according to contribution test. car is bogging, misfiring, just flat out wont run decent enough to get a timing light to show good reading. this one is really getting me. i have good fire, fuel, compression and a good cat. please help ...
2001 Chevrolet Tracker LT 2.5L Flexplate VIN: 2CNBJ63491
Veh. has had engine change at other shop, cust. say's engine is same year. Had noise in engine flexplate cracked, not around bolts but in slots below start ring. Could not find new one with dealer or parts store. Cust. found two at salvage yard, were same. Rep...
2002 Dodge Caravan SE 3.3L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1B8GP25322
This vehicle came in with the complaint of hesitation and stumbling. We hooked it up to our Genesys and got the P1391 Code. The customer told us to go ahead and replace both the cam and crank sensors. After replacing both of the sensors and relearning, the van... Trouble codes: P1391
2004 Dodge Caravan SE 2.4L MIL Lamp on VIN: 1D4GP25B34
Hey guys, got an 04 caravan with a 2.4L 4 cyl here. I was given this car by another tech who said that it needed a PCM flash update for this p0420 code. So, me being me, I decided to check a little further into it. I can't find any flash updates available for ... Trouble codes: P0420
2006 Dodge Caravan SXT 3.3L Dash Lights VIN: 1D4GP45R36
Vehicle was at the shop for repairs not related to this post. Started the van and had no dash lights,radio,power windows,heater controls. The engine light then came on and set a U110C Lost Fuel Level Meassage. Shortly after the van went back to normal as if no...
2007 Dodge Ram 2500 TRX4 5.9L transfer case VIN: 1D7KS28C27
I have a 2007 Dodge 2500 that will not shift to low side of the transfer case. It does not have a problem on high side. 4wd high works fine. After diagnosing it myself, we felt the TIPM was bad. My local Dodge dealer put that in for me (beacause it had to be p...
1994 Ford E-350 Econoline XL 5.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Stumbles VIN: 1FTJE34H5R
Van came in with a condition of stalling at idle, intermittently, stumbles at idle and hesitates when driving. No problem restarting, if stalls. Resembles ignition system drop-out when condition occurs. Checked distributor cap, rotor and spark plugs, both by r... Trouble codes: 334 (Evp/pfe closed voltage expected), 452 (Insufficient vss), 10 (Separator code), 126 (Map/baro or expected)
2004 Ford F-350 Super Duty Lariat 6.0L No Start VIN: 1FTSX31974
I thought I had a pretty good handle on these 6 litres, but this one has me banging my head against the wall! The customer drove it home one day with it running fine, shut it off, and in the morning it cranked but wouldn't start. I hooked up the scanner and pu...
2005 Ford Five Hundred SEL 3.0L Starter circuit, intermittent VIN: 1FAHP24105
Hello all. Well this one has been on going for months and the customer is 88 years old and thinks it's a ghost of her passed away husband. I know, it does get worse. Problem is the vehicle powers up fine, but will not crank over intermittently. This has happ...
2005 Ford Escape XLT 3.0L Noise VIN: 1FMYU93155
This Escape is baffling to all of us here in the shop. Customer originally came in for noise from engine that was rpm related. Best way I can describe the noise is back in the day when we used to put baseball cards on our bicycle spokes. Imagine that noise onl...
2006 Ford Expedition King Ranch 5.4L Poor Idle Quality, Misfire VIN: 1FMFU17546
Okay guys. I can't say that I've ever been at a total loss like I am on this one. I've spent a lot of time and even more energy trying to come to some type of conclusion on this, but I'm really not seeing a solution here. As the related repair history will tel... Trouble codes: P0174 (Fuel System Too Lean Bank 2), P0300 (Mulitple Cylinder Misfires Detected), P0303 (Cylinder 3 Misfire Detected), P0304 (Cylinder 4 Misfire Detected), P0305 (Cylinder 5 Misfire Detected), P0308 (Cylinder 8 Misfire Detected)
2006 Ford Freestar SE 3.9L Hesitation VIN: 2FMZA51666
customer complaint is engine shake when accelerating, i found when jabing the throttle wide open from idle it has a hesitation for a moment then it clears up and back fires threw the intake from time to time. it had a code for intake runner control stuck close... Trouble codes: B1600 (PATS Theft signal not received), P0306 (Cylinder 6 misfire), P0316, P2006
2006 Ford Taurus SE 3.0L No Crank VIN: 1FAFP53U36
We got this Taurus in on a hook, vehicle will not crank, I can manually turn vehicle over with a power probe to the trigger wire at starter but car will not run, just turn over. all gauges are working as well as lights. attempted to scan for codes with 2 diffe...
2008 Ford F-550 Super Duty XLT 6.8L Charging VIN: 1F6NF53Y18
Hello all. We have a 2008 model year Class A motorhome in our shop made by Tiffin Motor Homes (Allegro). It has a Ford powertrain V10 6.8L in it on a P Chassis. Our issue is that this motorhome is not charging. We noticed the charge indicator light turns off (...
2002 Honda Odyssey EX 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 5FNRL18012
car misfires severly at idle, kinda smoothes out at high rpm, MIL flashes, the questions i have is when i unplug igntion coil 6, no change to idle quality, but all 6 coils have on pin 1, 14.0 volts, pin 2 0.0 volts, pin 3 has 4.0 for a split second then drops ... Trouble codes: 1399 (Manufacturer misfire temporary code), 300 (multiple misfire), 301 (cyl 1 misfire), 302 (305 -), 305 (306 -), 306
2009 Jaguar XF Supercharged 4.2L Shifter VIN: SAJWA07C29
This problem has occurred on 2 different occasions now. First time Vehicle was brought to a stop & operator could not physically move the gear selector to Park position. After turning off the engine they then found that vehicle could not be restarted because s...
1997 Jeep Grand Cherokee Laredo 4.0L shuts down injectorsasd relay VIN: 1J4FX58S3V
This vehicle will start and go dead. The only signal it looses is to the injectors. there is no security system on this vehicle. Bus ckt 3 & 11 both have 12.4. ASD relay and ign switch circuts are good.Confirmed with Dealership that this veh. has no security s...
2004 Jeep Liberty Sport 3.7L engine VIN: 1J4GL48K24
The question I have or help request is/ I am looking for a motor for an 04 Liberty with a 3.7. the salvage yards say that the 04 is a motor that only goes in an 04...??? My question is why wont an 07 or any other year model 3.7 vin k motor work..Is there some...
2007 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF154X7
Have p0171 p0174, return after approx one hundred miles, completes drive cycle before flagging fault. We have replaced mass air flow. We smoke tested intake system, we did see smoke from egr, thought this was normal. Long term adaptions for bank one are 14. Lo... Trouble codes: P0171 (Lean bank one), P0174 (Lean bank two)
2001 Lexus RX300 3.0L running VIN: JTJHF10U31
Okay so this Lexus came customer says the engine lites on, scan it and had a p0302, p0304, p0306, p0171 fuel system too lean bank 1, p1130 a/f sensor circuit range performance b1/s1, and mass air flow performance code, so after looking at the codes and checkin...
2000 Mazda Miata 1.8L Hesitation VIN: JM1NB3533Y
Ok guys, I feel like I am loosing my touch here. Can not seem to figure this car out. Customer stated car hesitates on acceleration. Customer replaced the spark plugs, but did not help. First I pulled codes and found an EGR excessive code plus an intake temp s...
2002 Mazda Millenia 2.5L egr system VIN: JM1TA22102
the car has a p0400 code that keeps coming back , has any one seen this problem , we replaced the egr valve,egr solenoids,egr boost sensor, egr boost solenoid, checked bloocked ports , wiring, all good. thanks for the help
2002 Mazda B4000 4.0L no first gear VIN: 4F4ZR47E52
just got the truck and there is no first gear start out in second then shift to drive and runs fine even on jacks will not move tires in drive have not done much yet defrosting it first just looking for a direction
2004 Mazda 3 S 2.3L Keys VIN: JM1BK32304
I need the incodes to access security and program 2 keys. Part Number: L3S8-18881-F Serial Number:L B39F Outcode -PCM:3DE79C Error Control: 4C06C Outcode -HEC: A4B5B5 Error Control: 5403A
2005 Mazda 3 S 2.3L MIL Lamp on VIN: JM1BK12345
After installing the used engine and road tested within a few miles of driving we got a code P0132 and P0138. Being that when the car came in it was not drivable we do not know if there were any codes previous or if the check engine light was on prior to the e... Trouble codes: P0132 (p0138-), P0138
2006 Mazda 6 S 3.0L MIL Lamp on
Another tech at shop is working on this mazda. Both upstream o2 sensors stuck at .04 at idle. Smoked intake found intake hose cracked replaced hose sets same codes. Vehicle had aftermarket massairflow sensor which read 2.7 grams per second at idle replaced wit... Trouble codes: P0131, P0151
2006 Mercedes-Benz E350 3.5L transmission VIN: WDNUF56J56
HI, Have a mercedes here that had a used trans and a new valve body installed,had mercedes come out and program. Now you can feel engagement in reverse and drive, but it will not move. No codes stored in ecu,trans. Performed fluid level check per alldata. Cust...
1995 Mercury Sable GS 3.0L Stall VIN: 1MELM50U2S
this car came in from another shop. they replaced icm ccrm computer (from [...]) and cleaned all ecm grounds. the problem is that the car stalls. usually under very conservative driving like through a subdivision. when it stalls it goes away very quietly not vi...
2005 Mitsubishi Galant GTS 3.8L lifters VIN: 4A3AB76S85
Engine has very noisy lifters intermittently, usually after cold start. Oil pressure checks good. Pulled oil pan and checked for sludge, it was clean. Have changed the oil and filter twice. Used OE filter. I can race the engine up for a while to get the lifter...
2002 Oldsmobile Bravada 4.2L lower vent VIN: 1GHDT13S72
we have replaced the blower motor and resistor to start because blower wouldn't operate. Vehicle returned with a clicking noise under dash and we replaced the mode door actuator. Vehicle will not switch to feet. Place mode on your face and it blows lightly and...
1993 Pontiac Grand Am SE 2.3L Surge VIN: 1G2NE5431P
Vehicle intermittently has a mid-range (3000-4000 rpm) surge on moderate to hard acceleration. Replaced fuel filter and spark plugs about 2 weeks and 250 miles ago for this concern, plugs were worn and fuel filter was completely plugged. Didn't surge for a few...
2007 Pontiac Vibe 1.8L No Start VIN: 5Y2SL65887
This Vibe quit on the highway and was towed in. No crank, no check engine light and no communication with the PCM. Battery is fine. Problem found to be blown 15 amp AM2 fuse in the fuse box under the steering column. Replaced fuse and engine started and all se...
2002 Saturn L100 2.2L No Start VIN: 1G8JS54F12
Vehicle will start and run if sitting for 12 hours until turned off- will not resart- cranks starts for 1 second and stops as if in theft mode. Security light will come on with koeo for bulb check then goes out but will flash very fast for one split second (ba... Trouble codes: B2957 (Data shorted to ground), B2960 (Passlock cylinder incorrect), P1599 (Engine stall or near stall), B2623 (u1000-), U1000 (u1096-), U1096 (testing and results)
2008 Saturn Outlook XR 3.6L Misfire VIN: 5GZEV237X8
Vehicle came in for what the customer discribed as a vibration or shutter.Test drive felt like a transmission shutter checked for codes non found in trans or power train modules next test drive felt like an engine miss hit on Identifix found 1 with same simpto...
2009 Subaru Tribeca 3.6L Steering VIN: 4S4WX99D59
customer concerns is that the vehicle pulls left and at low speeds the steering seems unstable{wanders}. I test drove vehicle and verified customer concern, vehicle does pull left at all speeds and at low speeds steering seems to wander. I also noticed that at...
2001 Toyota RAV4 2.0L no start VIN: JTEHH20V01
No start/no spark, starter cranks fine. Car sets code 2796 no communication with immobilizer. There is no fuse in the fuse box for immobilizer. Took cover off steering column and no transponder amplifier nor is there a provision for one. Customer has been driv...
2005 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR32E25
Hi techs. We have been fighting this one. The check engine light continues to come on with evap code (PO456). We have smoke tested for leaks and run a self test on the system. It seems all of the solenoids are working properly and no leaks seen. We have replac... Trouble codes: P0456
2005 Volkswagen Beetle GLS 2.0L Igntion coils VIN: 3VWCK31C05
This Beetle came in for no start. Cranks ok. Has fuel but no spark. Testing originally showed no voltage to ignition coils. After checking through circuits, power came back to coils. But there is a voltage drop of 1.5 volts. Fuse #37 in the dash fuse panel f...
2006 Volkswagen Jetta TDI 1.9L Wipers VIN: 3VWDT71K26
Wipers inoperative tested hood latch and power and grounds at wiper motor ok. Codes 02071 local databus no signal/comminication code 00153 windsheild wiper motor no signal.These codes are out of 009 module j519. Tried commanding on no response it appears the l...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 328Ci 2.8L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: WBABM5346Y
This vehicle is not fixed as yet. All information received such as compression test,check vacuum,do leak down,do engine flush, check disa, swap injectors, change spark plugs and boot, change CCV, check fuel pressure, smoked engine found cracked rocker cover, r... Trouble codes: 242 (cylinder 5 misfire).
2003 BMW 745Li 4.4L Cuts out VIN: WBAGN63463
Could not get this vehicle to act up while in the shop, so the customer elected to take it. I am beginning to suspect he was experiencing a failing transmission banging into gear, but until he returns with the car, we'll never know. If I ever do get an answer,...
2004 Buick Regal LS 3.8L Climate control VIN: 2G4WB52K64
This is my son's vehicle we bought used, someone had previously installed stereo equipment, radios etc. They tied into the power side of the Blower controller fuse, the added amperage draw burned the fuse panel power supply nearly in two, resulting in 10V sup...
1995 Chevrolet K1500 5.7L Brake Lights VIN: 2GCEK19K8S
Thank you to all for replies and suggestions, customer needed vehicle back for weekend, during which he repaired some wires to an aftermarket topper light and he states has not had brake light concern since. I have not been able to look at that wiring to see h...
1999 Chevrolet K1500 Suburban 5.7L Cuts out, VIN: 3GNFK16R1X
Thanks for the replies, I do not have an answer as to why the difference from the original type sensor to the new. I have dug the labscope out and am trying to get in the habit of using it more often, if I had not put the scope on it I would never have seen th...
2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDS13S44
This one is fixed and gone - thanks to Josh from Illinois. He was right on the money. I assumed the relay for the air pump was good since I could hear and feel the pump running. But in fact when I disconnected to air line from the pump to the check valve th... Trouble codes: P0410 (Secondary air injection system).
1998 Dodge Intrepid 2.7L MIL Lamp on, VIN: 2B3HD46R3W
First of all I'll like to thank everyone for the grate help, we found a shorted out map sensor, causing other sensors not to work because the 5. volt signal was shorted to ground at map sensor, thank you all, car run grate after replacing map sensor.
2005 Dodge Ram 1500 ST 5.7L Engine VIN: 1D7HA16D85
Hey guys I just wanted to let you know that the vehicle is fixed. Ended up being a bad pcm. I scoped it and when the problem occured i lost all ignition power. I removed the aftermarket auto-start/ alarm system and found 1 wire corroded and poorly connected. I...
1984 Ford Bronco II Eddie Bauer 2.8L Starter stays engaged VIN: 1FMCU14S4E
Thanks to all who responded !!! I hope this one is fixed but I probably won't know for 2 - 5 years.Just a few things to clairify for some of you as I seem to have been unclear on some points.I'm sorry for that. I have never been able to see this vehicle while ...
2001 Ford F-250 Super Duty Lariat 5.4L Stall VIN: 1FTNW21LX1
Hello All! Thank you for all of your quick replies, I really appriciate it! We fixed this vehicle with a new IAC valve. We did go with an OEM part. This truck has been starting right up.
2004 Ford Explorer XLS 4.0L unknown
I got in early yesterday morning and measured the tires carefully they were all the same. I disconnected the front driveshaft and went for a ride. The noise was gone. So I confidently sold the transfer case (used). Installed it and the vehicle was repaired. ...
1993 Honda Civic EX 1.6L Oil flooding the intake VIN: JHMEG85700
Thank you all for you assistance, there was no notable reason for this problem. The manifold seemed ok the oil breather was good. I changed the engine oil and used a Castrol 15W40 and drove the car and the problem seemed to improve. On a road test the engine o...
2004 Honda Civic EX 1.7L clutch VIN: 2HGES15864
Hi Guys, Like we know there is always a first and thanks to you guys for the joint knowledge,IATN rocks. After taking your advice and with a lot of hand pumping the clutch pedal we fixed the problem.
2006 Honda Odyssey EX 3.5L Heater VIN: 5FNRL38606
This van is fixed . Heater is blowing 190 degrees F, out all vents on max heat and ac at 20 degrees across all vents. Working like it should. This heater core is about a foot long and just the first 4 inch where the lines come in and out was not plugged up....
2007 Mazda CX-7 Touring 2.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JM3ER29L37
A big thank you to all the contributors on this ticket and others in this site. We sent the vehicle to another dealership which replaced the Mass Air Flow Sensor. Vehicle drives good at this time and back with customer. No word on fuel trim or any other data o... Trouble codes: P2178 (System Rich Off Idle - Bank 1), P2188 (System Rich at Idle - Bank 1).
1982 Mercedes-Benz 380SL 3.8L Poor Idle Quality, Stall, Poor Fuel Economy VIN: WDBBA45A2C
we have received several replies about leaks under the control head and have decided to remove the intake assembly and replace all the bad gaskets and seals we find. unfortunately at this time my manager canot be without his only drive right now until we can ...
1995 Mercedes-Benz C280 2.8L Poor Idle Quality, Misfire VIN: WDBHA28EXS
Decided to replace all of the coils with O.E. coils after checking grounds,wiring and connections. After a week of driving all looks clear , no missing , hesitation or Check Engine light.Thanks guys !! Trouble codes: 61 (ignition output stage or coil cyl 3), 62 (ignition output stage or coil cyl 4), 63 (ignition output stage or coilinsufficient current), 104 (fuel saftey shut-off recognized).
2006 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87J16
well the issue was explained to the customer who purchased the car 10 months ago ,,ouch while the customer was here i showed him the scan data and explained the ecu was faulty ,, most guys suggested to check the electrical ,,, i did and found... Trouble codes: P2008, P0446, P2008, VAR1A, 1NTAK, SW1TC, VA1VE, 0PEN, P0412, P0418, P00, 128 (thermostat valve open circuit).
2000 Saturn SL2 1.9L Ignition Lock Cylinder VIN: 1G8ZJ527XY
Finally resolved this one, I was putting in the cylinder correctly, the reason it wouldn't turn is because it was a faulty new part. The old cylinder would intermittently lock up but worked most of the time, when it was installed it went right in and turned m...
2007 Saturn Aura XE 3.5L # 3 Injector VIN: 1G8ZS57N67
Thanks every one for the input on this vehicle, have not had time to have customer drop off and leave with us, full shop,,,but will keep you all posted on reflash of computer and possible injector swap, remember only happens on cold weather days,
2005 Subaru Outback Limited 2.5L Belt VIN: 4S4BP62C55
Well, we are waiting for the customer to return to at least determine if the belt is loosening up but so far we are unable to make contact. I will update when vehicle returns. Thanks for everyone who replied and hopefully I can post a fix later.
1997 Toyota Camry CE 2.2L guage fuse 10 amp VIN: 4T1BG22KXV
2004 Volvo S60 2.5T AWD 2.5L Immobilizer-CEM VIN: YV1RH59H94
Thanks for all the input. The vehicle actually had 2 issue that resolved the issue. First issue was the removed key. We continued to use the valet key and had not issue until the customer got the car back. A week later they talked about the same issue but ...
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