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Prev Professional Automotive Repair Technical Discussions for June 21, 2013
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2001 BMW X5 4.4i 4.4L MIL Lamp on VIN: WBAFB33561
Mil Lamp on, codes 33 & 34 set, these codes are for Vanos system, it is very vague as to what exactly these code mean; Actuator problem, or over advanced or under advanced! Additionally the vanos is reading 95 degrees for both cams, the cam sensors are reading... Trouble codes: 33 (Vanos over/under advanced or position actuator bank 1), 34 (Vanos over/under advanced or position actuator bank 2)
2003 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52K33
This car came in for a state inspection and the check engine light was on with a code P0442. I smoke tested it and the vent valve had a leak. I installed a new vent valve and had the customer drive the car. The light came back on with the same P0442. I read th... Trouble codes: P0742 (EVAP system small leak detected)
2002 Cadillac DeVille DTS 4.6L ride control VIN: 1G6KF57902
Hello fellow warriors.We are working on the above vehicle and are replacing the front electronic struts and the rear electronic air shocks with a monroe kit.New front struts and new coil over rear shocks.My question is this,it says to remove the sensors from t...
1996 Chevrolet Monte Carlo LS 3.1L NO 2-3 Shift VIN: 2G1WW12M2T
Attn Members, Could anyone point me in the right direction on this, this is my personal car. I have a transmission problem, thatís got me a bit confuse Symptoms: I place the Scanner on the car, drove car with scanner on it. It shows the Trans is shift into 3 ...
2000 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1248Y
I have a 2000 Cav here which seems to have some multiple issues, some that are Intermittently and others all the time. Before we really start digging I was hoping someone has tackled a few of these. We have the lean code (171), we have black plugs, It runs awf... Trouble codes: P0171 (System lean)
2003 Chevrolet Silverado 2500 HD 6.6L Mechanical VIN: 1GCHK23133
What I have is a 6.6 duramax crankcase leaking, its overfilling with fuel and coming from the rear main seal. I am thinking its coming from injectors 3,5,7 I was hoping somebody can confirm it or point me otherwise. Injector balancing rate inj1 0.1mm3, inj2 -0...
2007 Chevrolet Monte Carlo LS 3.5L Misfire VIN: 2G1WJ15K37
Dead misfire on 1 and 4...Everyones going to immediately think coil as I did...swapped with no change. Checked Ign module for power/ground at the coil terminals - good noid. Scoped main power to IGN module to see current ramp of all coils - good and identical....
2007 Chevrolet Aveo LS 1.6L no communication VIN: KL1TD56697
We just sold this Aveo, and the AirBag light came on. I can not communicate with our Autel. Any common problems on these things. This is our first Aveo, no clue where to take this one.
2007 Chevrolet Equinox LT 3.4L . VIN: 2CNDL63F47
this one is wipping my but. this car came in with a code c0161 abs/tcs brake switch circuit fault,and a code 131 abs/tcs brak switch circuit fault.the custermer said that the car didnt have power and the traction control light would flash on and tech di...
2009 Chevrolet HHR SS 2.0L No Start, MIL Lamp on, Hard start VIN: 3GNCA73X49
The car will not start unless the maf sensor is unplugged and it still take a while for it to start. the maf sensor has been replaced and the car ran good but for only a couple of days. When the maf is left unplugged the car will run. The front o2 sensor will ... Trouble codes: P0100, P2187
2003 Chrysler Sebring LXi 2.7L Starting VIN: 1C3EL56R93
Its been 2 days now and we cant seem to figure out any thing. One post said to have the ECM re flashed by the dealer.
2005 Chrysler Sebring 2.4L transmission VIN: 1C3EL46X35
Hi iATN members, I am dealing with the 05 chrysler sebring 2.4 L automatic trans.Car came in last month, Transmission would not shift to 2nd gear (always stayed in 1st gear). I creplaced the solenoid pack, Did a quick learn. Every came out good, all gears shif...
2006 Chrysler PT Cruiser Limited 2.4L MIL Lamp on VIN: 3A8FY68816
Replaced pcm due to transmission control relay circuit problem, code P0882. That problem is corrected but now speedometer will not work. Identifix says to program the pinion factor, have tried Genesys, Snap on, and Bosch scanners, none will allow programming p... Trouble codes: P0501 (Speed sensor rationality)
2000 Dodge Ram 3500 Truck 5.9L No Start, Poor Idle Quality, Stall VIN: 1B7MC3364Y
Customer had this vehicle towed in for stalling and occasional no start. Checked and found two trouble codes P0121 and P0336. Replace crank sensor under warranty because we replaced it about nine months ago because of a no start. Found connector to fuel heater... Trouble codes: P0121 (throttle pos sensor), P0336 (Crankshaft position sensor)
1999 Ford F-450 Super Duty XL 7.3L pcm VIN: 1FDXW47F0X
commuinicates with pcm under all test execpt continous monitor, able to watch data and can see 2 dtc set but unable to retreive, service engine soon light comes on under heavy accelertion around 2400 rpm then goes out, have installed new pcm,idm tested wiring ...
2003 Ford Taurus SE 2-Valve 3.0L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1FAHP55433
Hello,This vehicle came in for no A/c oringinally.Has been in once before for high idle.IAC replaced then.After a/c line was replaced notice high idle to point that heavey braking required.This is a fleet account vehicle and is driven by many different people....
2005 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU73K35
First off thank you in advance for everyone who takes the time to read this. This truck has me officially stumped. Its a friend of mine which makes it even worse. Truck came in on a hook, will start and run but has a misfire. Sometimes its #3 missing, sometime... Trouble codes: P0300, P0303, P0306, P0316
2005 Ford Mustang 4.0L delayed or no reverse VIN: 1ZVFT80N95
just purchased a 2005 mustang v6 the trans has a delay or sometimes no reverse. there are no codes.. I seem to remember that there was a problem with these transmissions similar or the same as explorer etc. with valve body also I thought there was a tsb for th...
2006 Ford F-350 Super Duty XLT 6.0L Possible blown haed gasket VIN: 1FTWW31P56
Thanks for taking the time to read this post. This truck is from a used car dealer. Truck has 6.0L direct injection turbo diesel. Originaly came in with MIL on, rough idle, hesitation from a stop. Replaced EGR valve fixed that.EGR and ports were badly plugged...
2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke VIN: 1GTHK29677
My understanding is that the DPF filter is no good and must be replaced since the regen wont complete and the soot mass readings are so high. Looking for a second opinion. I dont believe the truck was smoking like this until I replaced the EGR cooler but i can... Trouble codes: P0101, P0401, P0299
2006 Honda Civic EX 1.8L pressures VIN: 1HGFA16826
This vehicle came in with a complaint of intermittent ac cooling. The low pressure was bouncing from 15 to 45 psi. High side was even at 160 psi. 90 deg outside and very humid. Found that the compressor went south and scattered the system with junk. Replaced...
2008 Infiniti G35 Sport 3.5L compressor VIN: JNKBV61E38
Good morning everyone. This 08 Infinity will not command the A/C compressor on. When I connect my modis and go into data there A/C command shows off when the green light is on the HVAC control is on. There are no codes in memory of any modules. I have recovere...
1996 Jeep Grand Cherokee Limited 5.2L Power steering
Hi everyone. Friday evening and I installed 2 power steering pumps and neither one works. No assist at all.It has Speed Proportional Steering. I am using the original sps solenoid. The original pump was noisy. Bearings shot but had assist. Also the front seal ...
1998 Lexus LS400 4.0L No Start, Poor Idle Quality, Cuts out, Stall, start then stall VIN: JT88H28F1W
vehicle came in from another shop with a start then stall condition. We were told that this started after they replaced timing belt. Vehicle was also brought to the dealership before us. The dealership diagnosed it as a faulty ecu. Initially thought we it was...
2006 Lincoln Zephyr 3.0L no ground to a/c relay from ecm
car came in w/dead battery ,no power to what appear to be new compressor and a/c relay jump to ground .soon find out w/scan test about the evaporator temperature sensor , take dash apart replace sensor after that we recover freon to make sure we recharge w/the...
2007 Mazda RX-8 1.3L Unknown
Because of this code P0740 we replace valve body, after few months the vehicle check light on again and it showing "P0740" and i clear the DTC and engine warning light gone. But i think it will come back again. Would like all gentlemen advise on this issue...
2008 Mazda 3 S 2.3L Idle fault VIN: JM1BK34428
This Mazda will have no throttle response and MIL light on with P0638 and P2112. When put into gear engine will shake badly with #2 & 3 coils not firing. During testing I found the PCM not grounding the drive by wire relay(ETV). Tested the wiring from PCM to r... Trouble codes: P0638 (Throttle control range/performance fault), P2112 (TAC performance problem)
2007 Mercedes-Benz GL450 4.6L Mirror turn signal VIN: 4JGBF71EX7
Have the Mercedes GL came in for service and a light on dash indicating that the right side mirror signal is not working, also blinker indicator blinks fast on right side. Although the mirror signal flashes normally. I did do a star diagnostic short test and h...
2002 Mini Cooper 1.6L Speedometer And Hvac VIN: WMWRC33472
Came in as crank no start. No instrument panel, hvac panel display, both new events. Customer replaced ign switch and fuel pump relay. We repaired broken wiring at rear for fuel pump and fuel level sensors and car now runs. We have been unable to repair the in...
2004 Mitsubishi Lancer Ralliart 2.4L Lighting VIN: JA3AJ66F44
Hello,the dome light will not shut off in this vehicle when set in door mode,the door ajar indicator in the instrument panel works as designed[light comes on when doors are open and goes out when closed.Has power and ground at connector for dome light at all t...
2006 Mitsubishi Lancer Evolution MR 2.0L Reverse VIN: JA3AH86C16
Let me start with the whole story. The vehicle will start every time; but will not go forward/rearward when put in gear. Replace shift cable at customer's request; still doing the same thing. Diagnose and found clutch disc bad. Replace clutch disc with g-force...
2001 Nissan Sentra GXE 1.8L Cuts out, Stall VIN: 3N1CB51DX1
This Sentra will stall intermittently at idle. In addition, intermittently while driving it will cut-out as though there is a momentary loss of power, though not completely. It does NOT fell like an ignition miss, but rather as if you lost a crank sensor signa...
2002 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S72
4.2 p1345 please help!!! been on this one for a couple weeks now any help would be greatly appreciated. To start from the beginning the vehicle was running very poorly with trouble code p1345. Customer replaced vct solenoid with no change in engine performance... Trouble codes: P1345 (Camshaft correlation)
1999 Volkswagen Jetta GL 2.0L blown fuse VIN: 3VWRA29M1X
When you turn the key from on to off fuse #38 blows. This affects the starter(no crank), the door locks, security, & power outlets. Put a fuse back in, start the car, or just turn key to on & when you turn it off the fuse blows again. Sometimes the fuse will b...
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B13
Car misfires and random misfires on all cylinders which results in engine and car shaking. I have changed all spark plugs, ignition coils and even changed the timing belt to make sure it was correct. I found a cracked check valve and a cracked crank vent tube ... Trouble codes: P1297 (Turbo/throttle pressure loss), P0300 (Random misfire), P0301 (1 miss), P0302 (2 miss), P0303 (3 miss), P0304 (4 miss)
2007 Volkswagen Passat Value Edition 2.0L engine VIN: WVWLK73C57
First of all, this is a belt driven 2.0 tsi turbo engine, first time customer, no repair history. The customer noticed the engine sounded loud. It's not a knock, not really a tick. This engine sounds JUST like a TDI diesel. The noise seems to be coming from th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A6 Quattro 4.2L engine VIN: WAUDL74F05
we pulled the valve covers- no signs of any sludging. ran camera down timing chains looking for Anything out of place, nothing apparent. let customer take it, hes gonna drive it till it blows or he trades it in. seems like lower end to me.
1995 Buick Regal Custom 3.8L No Start VIN: 2G4WB52L3S
The car runs perfectly now.Every one that said the upper intake manifold was leaking antifreeze into the cylinders were correct. Kenneth from Cal was dead on. He said look into the TB and see if theres a puddle of antifreeze there. All I saw was a couple of dr...
1994 Chevrolet Corvette 5.7L Ccm VIN: 1G1YY22P1R
Customer request no further action on the battery drain. According to GM Bulletin No.: 02-06-03-010A "The recommendation for maximum parasitic drain is around 30 mA (0.030 amp). A typical drain today actually falls into the 7-12 mA range, even though some ve...
1998 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52M1W
Customer never returned for me to do further testing. The most logical replies are an injector problem. I'm a little skeptical, as past experience with injectors also caused misfire at idle as well. Others made mention of possible weak or broken valve spring.... Trouble codes: P0300.
2006 Chevrolet Cobalt LT 2.2L starter VIN: 1G1AL55F56
thanks for all the help i recieved.customer took car to the local chevy dealer for diagonistic.i cheched wiring to starter and all fuses found broken wire they say. customer pickup car and next day it did the same thing no start won't turn over.back ...
2001 Chrysler Town & Country (Van) EX 3.8L driver side power sliding door VIN: 2C8GP54L41
Hello everyone. Thank you for all the replies they were helpful. However the customer decided not to fix the vehicle. The Driver sliding door would only act up when weather was cold or first initial opening of the door. We we concluded was that we have a bad p...
1998 Dodge Ram 1500 Truck ST 5.9L Hesitation, Misfire, Poor Fuel Economy VIN: 3B7HF13Z0W
ok went threw and changed every gasket from lower intake up to air filter housing. Threw some new plugs at it as well. The hissing is gone as of now. the truck still has hesitation and is low on power so I will keep looking. any ideas would be great.thanks
2008 Ford Mustang GT 4.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1ZVHT82H28
Thanks for the replies! I waited a couple days to make sure the problem was indeed fixed. After reading the replies, I replaced the only thing left, the chains and tensioners ( guides were perfect). The problem persisted. So, I went back through the troublesho... Trouble codes: P0012 (B1 camshaft over retarded), P0016 (CKP - CMP correllation error B1 sensor A).
2002 Honda CR-V LX 2.4L Compressor VIN: JHLR078802
My fellow warriors. This one is fixed! The multiplexing unit fixed it. All you guys are awesome!! To many names to mention that brought awesome knowledge to the table. The ac is cold and the brake light is out. The customer and I are happy!! Thanks again guys!...
2003 Lincoln Navigator 5.4L ride controll VIN: 5LMFU27R83
Michael from Virginia, You are the man!!! The C1991 code is module configuration error code. I tried to calibrate this truck with the IDS at least one hundred times. Out of desperation I asked for help here and recieved a reply imediatly from Michael. He said ...
2001 Toyota Camry LE 2.2L Poor Idle Quality, Cuts out VIN: JT2BG22K41
Thanks for all the replies. I was unable to duplicate the symptoms, even after 1 week, multiple drives each day. Returned the car to the customer. I inspected and tested: fuel trim, CKP, CMP and ECT while driving. Inspected and cleaned throttle body, inspe...
2007 Volvo S80 V8 4.4L MIL Lamp on VIN: YV1AH85277
Unfortunately, since the vehicle has no drivability concerns and only the check engine light, the customer declined any further diagnosis and will live with the light. From the responses I received, I am leaning toward a leak in the PCV system. Sadly, I am not... Trouble codes: P0171 (System Lean Bank 1).
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