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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 17, 2014
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2005 Audi S4 4.2L Hesitation, Cuts out, Misfire VIN: WAUPL68E95
We have this 05 S4 standard. Codes P0300, 304, 306 and 308 continue to be set for very harsh misfire. These codes come back every time. Idles and starts fine, hot or cold. First start of day chains rattle for a second or so. No roughness at idle, or no load pa... Trouble codes: P0300, P0308, P0306, P0304
2006 Audi S4 4.2L MIL Lamp on VIN: WAUGL78E56
had vehicle in shop for mil lamp on. Has code for secondary air injection on bank 2. We have vagcom diag computer. Can actuate valve and air pump relay. Can hear and see valve and pump operate. Have not seen this engine yet with this code. We see other makes a... Trouble codes: P1411 (Secondary air injection bank 2 insufficient flow)
2008 BMW 335xi 3.0L B-D Gear VIN: WBAVD53528
Hello there! I have a 2008 BMW 335 XI Automatic with about 84 000 KM on it and the car has issue going into reverse. When started from cold, it works but after heating the transmission for sometime, when put into reverse and pressing on gas pedal, the car sta...
2003 Chevrolet C5500 Kodiak C5C042 6.6L rmp VIN: 1GBE5E1173
truck sat for a while and I just bought it. truck lost prime and had water in fuel. drained water and put on new fuel filter and pumped primer till I had fuel and truck ran ok. lost prime a few times so I added a frame mount lift pump and found out lines to fi...
2004 Chevrolet Silverado 1500 LS 5.3L Vibration in steering wheel VIN: 2GCEC13T94
Hey guys, this Chevy truck has a vibration/shimmy in the steering wheel at right around 55 mph and over. It happens when you're backing off the throttle, or when you have the gas pedal ever-so-slightly pushed down. Seems to go away under full acceleration and ...
2007 Chevrolet HHR LS 2.2L MIL Lamp on VIN: 3GNDA13D67
Sets code immediately or shortly after start up. Chain timing is correct. Sensor patterns on scan tool are good. Unable to perform sync with Verus. Says enable conditions not met. Have resynched many GMs with this tool. Any ideas what I'm missing here? Trouble codes: P0016 (Cam crank correlation problem)
2004 Chrysler PT Cruiser 2.4L Poor Idle Quality VIN: 3C4FY48B44
Hey guys (and girls) i have this pt cruiser that is royally kicking my butt, came in at 80k miles for standard belt pump replacement. while apart i checked mount and it seemed ok, no cracks or deformity. get the engine back together and verified my marks multi...
2005 Chrysler 300 2.7L No Start VIN: 2C3JA43R45
This car came to me as a no crank no start. We started with the basics, spark and fuel. Could not do compression test because engine would not crank. Car had no spark no fuel pressure and no injector pulse. The reason for this was that the pcm was not groundin... Trouble codes: B2100, B2124, U0100, B2101, P2067, P0462
2006 Chrysler PT Cruiser Touring 2.4L No speedo operation VIN: 3A8FY58B76
We swapped the PCM out and using the wiTEC, we programmed the odometer and VIN into the new one. We programmed the pinion (tire size) into the gateway module. With the new module, all works properly except the speedometer and odometer do not function. We have ...
2005 Ford Crown Victoria 4.6L engine VIN: 2FAFP71W65
hi looking for some help with this one. car has sit for some time had the steering column replaced car ran for 3 hours then it came to me missing and running rough cats were stopped up and showed a map sensor code, runs rough I can unplug coil packs 1,2,3,and ...
2006 Ford Fusion SEL 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3FAFP08186
Please help! Both CMP sensors have the same resistance. PCM has most recent calibration. VCT solenoids are at 0%. Ford dealer states they have never sold these CMP sensors and they don't stock them. Napa does. Replaced them and that took care of a P0345 and oc... Trouble codes: P0340 (Cmp sensor a circuit)
2007 Ford Edge SE 3.5L waterpump VIN: 2FMDK36C17
Pump is leaking from Behind Alternator BUT WE HAVE A LEAK AT THE BELL HOUSING) Water is dripping from the inside of the transmission down I see a water inlet pipe, recall that is expired. Plan is to drop the cradle and engine we are trying find out if it blew...
2008 Ford Taurus X SEL 3.5L No Start VIN: 1FMDK02W48
Hello All, After replacing the PCM in this vehicle and reprogram using IDS car will not crank. We reset the parameters on the PATS but we get a message that it will not communicate with that module. There was no trouble with this before PCM was replaced. It ...
2011 Ford Escape XLT 2.5L Misfire VIN: 1FMCU9D76B
Started with a complaint of a miss and the CEL on and flashing once in a wile. We pulled code P0302 cyl. #2 misfire. All other data looks OK. This is a fleet vehicle with 74,000 miles on it and they were breathing down my neck to fix it. I decided to do the mo... Trouble codes: P0302 (Cyl. two misfire)
2004 GMC Envoy XL SLT 4.2L no communication VIN: 1GKET16S34
envoy came in -no crank, no start.no communication to any modules with tech 2.ck'd power at ign crank fuse in underhood panel-ok ck'd power to ign.0 and 1 fuses at rear seat fuse panel -ok. power windows or power door locks no work.but with no communication fr...
2009 GMC C5500 Topkick C5V042 6.6L Brake Hydrobooster VIN: 1GDE5V1969
I am trying to locate a Hydrobooster rebuild kit, with all the proper seal. I know they are out there, but I can't locate the part numbers for the kits. Has anyone ever came across the numbers or a company that carries the parts?
2007 Honda Accord EX 3.0L Hesitation, Misfire VIN: 1HGCM66577
This accord has what feels like a misfire on acceration. No codes found. Fuel pressure seems alright. You can floor it and it accelerates just fine with plenty of power but at slight throttle under light acceleration it sputters a little to get up to speed. On...
2003 Infiniti G35 3.5L no acceleration VIN: JNKCV51E63
This particular problem is confusing to us. I am not an expert on electrical diagnosis, but we have been able to figure out every car that has come in. Following the trouble tree in Mitchell loses me when it says to check components (can't check for voltages f... Trouble codes: P0102 (Mass air flow), P0227 (Tps), P0226 (Tps), P1229 (5V sensor reference high or low), P0222 (App), P0221 (App)
1956 Jeep Willys CJ-6 2.2L head gasket specifications VIN: 1956W1LL1E
Hello everyone. In the next week or so I am going to be doing a head gasket and water pump on this 1956 Willies CJ-6 jeep and I was hoping I could get some technical info from you. I need to know the steps for torqueing/setting up the rockers arms after doing...
2008 Jeep Wrangler Unlimited Sahara 3.8L abs module VIN: 1J8GA59188
Scanned vehicle for codes, found code c2200 for abs module internal fault. Opened hood to visually inspect module and noticed brake fluid very dirty. Checked brake fluid with hygrometer and it fails test, reads as more than 4% contamination. Checked for tsbs, ...
1993 Lexus ES300 3.0L engine VIN: JT8VK13T5P
customer opted for a replacement engine, my question is for you Lexus gurus, found engine for a 94 es300, I know there are some differences, can anyone tell me if this is a legitimate swap? Is there any way to make this work? Thanks
2008 Lexus RX350 3.5L Poor Idle Quality, Misfire VIN: 2T2HK31U18
Vehicle came in today(2 weeks) after initial problem occured. Originally, car came in with a very intermittent misfire. Scope patters while here were pretty solid, I had enough dropouts of the IGT signal to justify the coil, as well as oxidation around the bas... Trouble codes: P0356, P0306
2007 Lincoln Town Car Signature Limited 4.6L Ddm VIN: 1LNHM82V67
This is for another shop. They came to me cause I do all the programming for this area. They told me about intermittent operation of the DDM and related items controlled by the DDM. I scanned it, found mainly the code B1318, low battery positive voltage. After...
1999 Mercedes-Benz E430 4.3L windows VIN: WDBJF70H8X
based on the complaint, i disconnected the front door control module on each front door and connected back and then the windows will work. after couple of days one of them will not work again. Next i looked identifix and someone suggested disconnecting right r...
2009 Mercedes-Benz E300 4Matic 3.0L Misfire Cyc 1
Symptom : 1. Car stationary and engine on idle have mild vibration. 2. While accelerate, engine check light "ON", if press more on throttle pedal some time accompany with "gong" noise from motor. Once accelerate in gradually motor work fine. 3. engine ch...
2002 Mercury Cougar 2.5L caliper VIN: 1ZWHT61L22
This car came in with the right rear caliper hanging up. we replaced both rear calipers, pads and rotors.Right rear is working like it is suppose to now. But we now have no fluid to left rear caliper. We removed line to caliper and can blow air through line, a...
2008 Nissan Maxima SE 3.5L Intelligent Key VIN: 1N4BA41E98
After replacing the blower motor in this car the intelligent key system is not operating fully. I can lock and unlock the doors using the remote if I push the buttons on the remote. What I cannot do is use the small black button on the outside door handle to l...
2002 Oldsmobile Alero GX 2.2L Spark Plug VIN: 1G3NK52F32
Has any one seen #2 spark plug totally burned off the electrode even starting into the threads. This happenes after drivimg several days. I thought it might have been coil related. Replacing coil still comes back burned up spark plug. Thought maybe lean miss f...
1989 Pontiac Bonneville LE 3.8L Tail Lamps/bypass headlamp module VIN: 1G2HX54C1K
Problem 1 came to me with tail lamps inop all fuses ok opened up headlamp switch and divorced rheostat switch does not feed tail lamps but goes to a headlamp module consisting of headlight on buzzer with twilight sentinel if applicable (not equipped) Mitchel...
2006 Pontiac G6 2.4L MIL Lamp on VIN: 1G2ZF55B26
Vehicle came in 2 weeks ago with p0420 code. Asked for rear 02 sensor to be changed. Sensor was replaced and after 1 week of driving the light came back on with the same code. Currently in the shop. I have look at both front and rear 02 sensor reading and they... Trouble codes: P0420
2008 Saturn Aura XE 3.5L Airbag Light VIN: 1G8ZS57N38
Ok I give up!!! I have one here that I just cant seem to figure out. Customer brought his Saturn in for an airbag light. Pulled codes and found B1000 symptom 00 in history of ECM and SDM. Tried to clear but code remained. Followed procedure and checked powers ...
1997 Toyota RAV4 2.0L intake gasket VIN: JT3HP10V9V
Hi techs and happy new year. Looking for some expertise on this Rav 4, we need to do a intake gasket but after we looked up the job the mitchell claims we have to pull the engine. This is a all wheel drive vehicle and that seems to be the difference in the lab...
1995 Volkswagen EuroVan Camper 2.5L Engine VIN: WV2EE0707S
Vehicle has a high idle, 2000 RPM. It will come down slowly to about 1000 rpm, but will jump back up when you step on the throttle. We did a throttle clean and induction clean service, but that did not help. TPS tests good, no codes present. Does not seem to h...
2005 Volkswagen Jetta 2.5 2.5L Timing chain VIN: 3VWDF71K35
Hi everyone,I need some help with the timing chains on a 2.5. I am replacing the upper and lower chains as well as all the other parts. My question is, does the lower chain have to be timed? I have the crank locked down with the tool. There is a triangle mark ...
2000 Volvo S70 GLT SE 2.4L MIL Lamp on VIN: YV1LS56D7Y
car came in for check engine light had code 455 large evap leak .proceeded to smoke test found no leaks with close valve pinched off . attempted to actuate canister close valve to test .found valve emitting a vibrating sound , not a crisp click sound . bench t... Trouble codes: P0455
2001 Volvo S60 2.4L Vss VIN: YV1RS61R51
Have a P0500 code, ABS light on and once in a while the service light comes on and the traction control light comes on. Moving slowly through the lot you can hear the ABS motor running, if you turn off the traction control it doesn't do it. Once in a while und...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Audi A6 Quattro 3.0L Driveshaft VIN: WAULT64B53
2008 Audi A6 Quattro 3.2L engine VIN: WAUDH74F38
At this point we are still waiting on the customer,Customer is trying to get Audi to help with repairs as his warranty ended on 01/04-Thanks for all the help and info the timing chains need to be replaced
2003 BMW M3 3.2L Abs VIN: WBSBL934X3
I want to thank everyone that replied to my post. The fix was the sensor under the drivers seat. The car had been gone now for a couple of weeks and has not returned so I feel confident that it is fixed. This is not a bad job to do but I was lacking valuable i...
2003 BMW X5 3.0i 3.0L Door locks VIN: 5UXFA53583
this was my first experience with "superlock" or "deadlock" or whatever you want to call it. i agree with some that it is hard to imagine any vehicle having this feature, as it could very easily become a safety issue. anyway, 99% of replies said to break the...
2006 BMW 325xi 3.0L Reverse lights VIN: WBAVD13576
Customer chose not to spend money on footwell module to fix car. Thanks to Dan for the very technical info he provided.
2007 Chevrolet Express 3500 6.6L Regeneration VIN: 1GBJG316X7
This bus had a aftermarket idle up system from a upfitter. The wiring that was tied into the brake switch was shorted together causing the computer to see a brake switch on all the time. There was no data list in ecm data that showed this. I found it in the ab... Trouble codes: P0504 (Brake switch correlation), P2463 (Particulate filter), P244B.
2011 Chevrolet Cruze LT 1.4L high fuel trim VIN: 1G1PG5S96B
The valve on the valve cover has been redisigned and the problem was fixxed by installing a new vavle cover. Thanks for the assistance. Happy Motoring, Bryan [...] Trouble codes: P0171.
2004 Chrysler Sebring Touring 2.7L MIL Lamp on VIN: 1C3EL56R84
Thanks again for all the replies. Greatly appreciated. I have removed the fuel injectors and had them checked. I'm told that they are good. The fuel rail is clean and not obstructed. compression is between 140 and 155 psi. Ethanol in the fuel is approx. 1... Trouble codes: 174 (Lean bank 2), 171 (Lean bank 1).
2005 Ford F-350 Super Duty Lariat 6.0L MIL Lamp on, no boost VIN: 1FTSX31PX5
Well we took off the turbo to find the vanes unobstucted & working freely. We are almost positive the burt wires have caused a problem with the ECM. We lack the equipment to varify this so after talking with customer we sent this truck to Ford to test our susp... Trouble codes: P0046.
2005 Ford Crown Victoria 4.6L engine VIN: 2FAFP71W65
possible fuel injector or coolant leak still not fixed and im reposting with new pids
2006 Ford E-450 Super Duty 6.8L red brake light VIN: 1FDXE45S86
The problem was not leaving key off long enough for PCM to completely reset after update. Left shop for weekend. Monday morning vehicle functioned perfectly. Had anpther this week and same issue. Let sit about 10 min with key off and no problem. Hope this help...
2001 GMC Safari SL 4.3L Surge, Misfire VIN: 1GTDL19W21
Ok, many said exhaust back pressure. Well originally We did pull the exhaust and slight difference but still had a surge. After a little more checking we found the EGR valve had a worn out return spring and was fluddering under part throttle only, replaced E...
2006 GMC Sierra 2500 HD SLT 6.0L dash unit VIN: 1GTHK29U36
Thanks to all who responded. We found a broken B11 wire from dash unit about 8 inches from the power distribution box. It was inside the harness covering and corroded apart. All the rest of the wires there were fine. I don't know why that one did that.
2001 Honda Civic EX 1.7L Mechanical VIN: 1HGEM21971
Thanks for all your input. We fixed the problem by using an above head bar to release the valve springs. Used Snap-on Tool Universal Valve Spring Compressor Kit. Current tool tool kit number is YA9140B.
2006 Land Rover LR3 4.0L starter VIN: SALAD24496
sorry guys no fix yet I will continue testing this vehicle all can lines tested good and the resisters also are good, spoke to a tech. from land rover palm beach and he said the only thing left to do is start replacing modules but I don't have that option to t...
1999 Mercury Cougar 2.5L No Start VIN: 1ZWFT61L3X
once again the IATN techs are a wealth of good information . as many of you pointed out this model cougar does not have the fuel pump driver module instead the problem was the inertia switch which i wrongly assumed that since it wasn't tripped it was passing c...
1999 Mercury Cougar 2.5L Poor Idle Quality, Stall VIN: 1ZWFT61L5X
fix is unanimous,all eleven replies suggested iac valve,i did replace it with a ford part and returned to customer,did not howl this morning before replacing the iac valve but I had to go with the percentages,thanks again mark
2004 Toyota Tacoma 3.4L Weight Sensing Propotioning Valve VIN: 5TEWN72N94
first, thanks to all who responded to this request. we will attempt to replace the rusted lines & possibly the valve if we cant get lines out or bleed the system.this seems to be the general recommendation from most of you. it's gonna be fun. thanks again
2005 Volvo XC70 2.5L extended crank time. VIN: YV1SZ59265
Hello all. Well we replaced the fuel pump with a second Volvo fuel pump and the vehicle started right up and held 29 psi for about 4 hours then we started it and put it outside for the night. In the morning it did hold about 14 lbs of residual pressure and sta...
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