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Prev Professional Automotive Repair Technical Discussions for July 25, 2012
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Help Request Answers
2005 Acura TL 3.2L A/C Is Icing VIN: 19UUA66265
6 mounts ago (winter time) i replaced the a/c (was leaking freon) evaporative and install after market one.part was almost half inch longer than original one and i had to cut peace of the heater case make it fit.i put everything back together.worked fine held ...
2001 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUEH64BX1
Tried to do readiness test, passes O2 Evap and everything have VCDS had 7 codes all clear but these two. Any help would be very helpful, thanks. Trouble codes: 16815 (Warm up catalyst band 2), 16805 (Warm up catalyst bank 1)
2003 Audi A6 Quattro 3.0L power steering VIN: WAULT64B43
Help Audi Techs! Second issue with car!After timing belt replacement we had ps fluid spraying out of reservoir. Found screan dislodged- replaced and now after bleeding system per audi or other methods vehicle will run 2-3 minutes and operate normally then the ...
2005 Audi A6 Quattro 3.2L Radio, MultiMedia VIN: WAUDG74F55
Hey all you brilliant Audi techs, I have an issue with the entertainment system on this 2005 A6. When you start the vehicle, the screen will come on and say "Audi Multimedia" and then go blank, and not work at all. A fault scan shows no communication to a few ...
1995 Buick Regal Custom 3.1L Cuts out VIN: 2G4WB52M4S
Hello, iv got this buick that wont start the security light is blinking and im unfamiliar with gm and there lovly security systems. What does the security module do with the 5v signal from the pcm to make it run? I want to futhure dia this system but theres re...
2007 Buick Terraza CXL 3.9L Steering
On my sisters vehicle she was driving along the highway and the vehicle actually pulled the steering wheel from her hands onto the shoulder. Both ABS and stability control lights came on. The dealer is saying that there is no clear issue to why the vehicle is ...
1986 Cadillac DeVille Touring 4.1L engine VIN: 1G6CD6986G
vehicle came in with a rough idle. found worn cap/rotor,weak fuel pump.replaced those plusfilter and cleared lines. no change in performance. what is the injector voltage on these engines? any suggestions very much appreciated! Thanx, Jess
1991 Chevrolet Camaro Z28 5.7L starter
Hello guys, Camaro towed for no start condition - starter motor noisy. Other shop replaced 5.7L engine for 6.2L.After that cranking was slow and finaly got noisy.Removed starter and found all the teeth on drive broken.What I dont know is if the teeth were sim...
2003 Chevrolet Express 3500 6.0L fuse# 23 VIN: 1GBHG31U83
Thanks in advance for any help. This is one of our fleet accounts, very clean cargo van with low miles. Came in on tow, died driving and no crank after. We found fuse #23 blown. Replaced fuse van started and ran for 2 days no probleme. Cust. picked up and afte...
2007 Chevrolet Colorado LT 2.9L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCCS13927
Hi all you GM wizzards this colorado is driving me crazy it is extremely intermittant. I drove it for 3 days to get it to stall at an intersection. then it did it three in a row as soon as I took my foot off the gas and coasted to a stop it idled erratic and d... Trouble codes: P0014
2008 Chevrolet Malibu LT 2.4L Poor Idle Quality VIN: 1G1ZH57B58
Car came in for poor acceleration with ac on and low idle at times.Replaced spark plugs and cleaned throttle body.Used rag and didnt spray throttle sprayed rag and cleaned throttle body.Well now have high idle and did idle relearn run 3 minutes turn off 1 minu... Trouble codes: P0507
2005 Chrysler 300 (Car) 2.7L water pump VIN: 2C3JA43R25
New Water Pump behind timing gears. 2.7 L . Car runs fine. When filling with water it just pours out the front and back weep holes. One on drivers side beside thermosat and one on back of engine. Replaced with a GMB after market unit. Part number 120-4190 Old ...
2007 Chrysler 300 (Car) C 5.7L Mechanical VIN: 2C3LA63H27
Vehicle came in no a/c. 14 .2 volts and good ground at clutch connector, so we replaced the compressor. Vehicle still has no compressor engagement and has source voltage and good ground when commanded on. If i jump the compressor it operates so i also wired on...
1996 Dodge Dakota 3.9L Misfire VIN: 1B7GL23X3T
You can watch on the scan tool misfire counts on all cylinders, When it does set codes they are 300, 301 and 305, swapped injectors from bank to bank no difference, ignition system looks good on scope, Tested backpressure under 2 psi, Checked slack in timing c... Trouble codes: P0300 (Random misfire), P0301 (Misfire 1 cyl), P0305 (Misfire 5 cyl)
2000 Dodge Durango 4.7L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1B4HS28N2Y
The engine is running rich, I did find the post about the a defective power steering switch pushing fluid through the wiring harness and shorting out the O2 sensor,I checked at connector and found no oil. I remove the connectors at the PCM and found oil in the...
2004 Dodge Ram 1500 Truck ST 5.7L Misfire VIN: 1D7HU18D54
Ok, I'm stumped. This truck will randomly spit out a missfire code p0300. When it happens the engine will buck and fart and nearly stall. When the throtle is depressed there is no power. There is no CONSTANT to the time when it happens. The first time it came ... Trouble codes: P0300
2006 Dodge Ram 2500 Truck SLT 5.9L Shift VIN: 1D7KS28C96
My technician flushed the fluid with our RTI flush machine. It would appear as though on of the hoses was not connected properly and the transmission pumped out the fluid but none was replaced. After the process, the transmission seems to start out in second g...
1997 Ford Taurus GL 3.0L convertor VIN: 1FALP5228V
Well this trans came back again this time it had a bad leak from bellhousing area and yes the T/C seal had been pushed out or at least it was barly holding on when i removed trans. I tore trans down and inspected everything this time and everything looked good...
1998 Ford E-250 Econoline 5.4L power steering pump VIN: 1FTNE24L6W
Need some guidance from anyone that may be able to help, I had this van come in with lack of cold air from vents, after diag I found that the a/c compressor was leaking and freon was low, while replacing the a/c compressor the power steering pump started to le...
1999 Ford Expedition Eddie Bauer 5.4L blows relief valve VIN: 1FMRU17L6X
Howdy ever one, I got this Expedition, that last year we noted an oil leak on the high pressure hose, at that time we replaced a weak and leaking fan clutch. This year he came in with a request that we replace the hose because the quick lube place was backed u...
2000 Ford Focus Sony Limited Edition 2.0L serp belt tensioner VIN: 1FAFP3430Y
I don't want to try to fix this car unless I know it will be fixed. NOTE: this is a 7-99 car with twin overhead cams. Customer has had several different belts and tensioners. Is there a updated tensioner or "best" belt length? Should I just go with Motocra...
2002 Ford Escape XLS 3.0L Hi idle VIN: 1FMYU02132
Hello every one I have a 02 Ford Escape that belongs to a friends daughter that when she stops and put's it into park the idle will raise up to 2k and more. The first time this happened to me I was also chasing a misfire, which turned out to be bad aftermarket...
2003 Ford Escape XLS 3.0L Misfire, MIL Lamp on VIN: 1FMCU92133
Ok here goes this SUV came in to our shop customer says he put it into a creek. motor was locked up. We tore it down and found #1 rod bent, #4 rod broke in two. After replacing damage parts and installing new bearings we put it all back together and have had t... Trouble codes: P0304 (Misfire cylinder 4), P0306
2004 Ford Expedition NBX 5.4L Forward Movement VIN: 1FMFU16L04
This expedition belong to my cousin and it suddenly stopped moving forward on him and had it towed to my shop. i scanned it with no codes. The funny thing is it moves perfect in reverse but forward slips badly. on one road test i was able to get it moving but ...
2005 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPW145X5
Driveability is normal just cannot get rid of cel. Should alternator be completely disconnected output lead included? Trouble codes: P0340 (p0344-), P0344 (testing and results)
2006 Ford E-250 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FTNE24W86
As vehicle runs the fuel pressure drops. Its fine on start-up but after a minute it drops. If you try to accelerate it bogs out and backfires slightly or has no power. It acts like a vacuum leak, but havent found any.Have replaced the fuel pump and repaired th... Trouble codes: P0191
2007 Ford Fusion SEL 3.0L fuel VIN: 3FAHP02187
crank no start no fuel pump relay even with scanner control
1995 GMC C3500 Sierra SL 7.4L 2-3 shift, VIN: 1GDKC34N7S
This truck will only act up after being driven on the highway for a few miles. It will shift normally around town, and normally getting on to the highway. After coming to a stop, and then taking off again, it will shift from first to second, then will not come...
1998 Honda Civic DX 1.6L Hesitation
hello i have this Honda here. it will bog sometimes. when driving the car. when giving it gas it will bog down and the rpm and vehicle speed will not increase. let go of the gas pedal and press again and its fine. no codes. the fuel filter was replaced by anot...
2005 Honda CR-V LX 2.4L MIL Lamp on VIN: JHLRD68525
Belongs to one of my dealers. They took the vehicle to the Honda dealer for a P2271 and P0139. Dealer replaced O2 sensor. Light came back on. Dealer told him that it was electrical. I can hook up scan tool and watch the sensor switch to .0 and .1 while deceler... Trouble codes: P2271
2003 Infiniti G35 3.5L MIL Lamp on VIN: JNKCV51E93
Hello fellow techs. I need some help with this Infiniti. Approx. 2 months ago this G35 came in with DTC P0171 and a slight hesitation. Ended up replacing the MAF. Last week the vehicle came back with DTC's P0171 & P0174. Checked the freeze frame data and found... Trouble codes: P0171 (Lean Condition Bank 1), P0174 (Lean Condition Bank 2)
2004 Mercury Sable LS Premium 3.0L charge indicator VIN: 1MEFM55S74
vehicle came in initially with a check engine light and a check charging system light. I then pulled codes and got a PO622 - generator 'f' field control problem. Voltage and the battery while running was 12 volts. (Battery had just been on a charger) I then ju...
2003 Mitsubishi Eclipse GTS 3.0L 120 amp fuse blows VIN: 4A3AC74H33
Vehicle came in 5000 miles ago with bad alternator and blown 120 amp fuse and both were replaced. Now it's back with the fuse blown again but the alternator tests good after replacing the fuse. Charging looks good on a scope and voltage and amperage are within...
1995 Porsche 928 GTS 5.4L ignition VIN: WP0JB092HS
intake was resealed two months ago ,, car ran fine ,, returned for clutch master cylinder and cranked for a long duration and then started finally got caught up in shop to get this in and was cranking with tach bouncing but no start ,, finally started and dr...
2005 Saab 9-3 Linear 2.0L cim VIN: YS3FB49525
I am trying to install cim from a 2003. Tech 2 is telling me cim software is too old for this scl. I do have a matching key for the used cim but cannot find out how to download new software version from tis. Anyone know. Thanks for help
2003 Suzuki Aerio GS 2.0L No Start, Misfire VIN: JS2RB41S13
Got an 03 Suzuiki Aerio here and the customer complains the vehicle bucks every now and then when driving and is hard starting when warm. Code P0300 and P0727 for randon misfires and engine speed input signal. I assume the input code is for the crank sensor bu... Trouble codes: P0727 (Engine speed input circuit no signal), P0300 (Random misfire)
1993 Toyota Celica GTS All Trac 2.0L compressor VIN: JT2ST88P3P
Hello techs. I need some help with this one. Thanks for any help. This all track came in with the A/C inop. tested all wiring, fuses, freon level, sensors, etc. Blower works, a/c button lights up and stays lit. Vent control works. This car does have automatic ...
1993 Toyota Celica GT 2.2L compressor inop VIN: JT5ST87K3P
I am more than familiar with the quick engagement ,disengagement, light flashing issue. The amplifier never attempts to send a ground to the clutch relay. What I know for sure.At the amp.I have 12volt signal from ac switch to pin 1 and pin 3. Ac light comes on...
2001 Toyota Land Cruiser 4.7L Vsc Trac VIN: JTEHT05JX0
Need some help with this one. Customer brought in with VSC TRAC and VSC OFF lights on. Customer also stated that VSC warning buzzer also comes on intermittent. Customer also that some days no lights or buzzer at all, some days just lights on dash and other day...
2006 Toyota Tacoma 4.0L compressor VIN: 5TEMU52N46
Vehicle came in with no a/c operation. Checked all fuses and grounds ok. Checked mg clt relay resistance was on high side so I replaced it. Now if I hold in on A/C button the compressor will cycle for about 3 to 6 seconds make an aweful squak and light starts ...
2004 Volkswagen Beetle GLS 2.0L Engine VIN: 3VWCK31C84
Hey guys and thanks for looking at this. A lady came in with her car on a hook and said he car will not run. Found she overheated the engine and damaged everything engine mechanically wise. We recommended a used engine. She ok'd and we went about putting the u...
2005 Volkswagen Beetle GLS TDI 1.9L MIL Lamp on VIN: 3VWCR31C35
Help !!! Bad ECM ??? This vehicle out of the blue started throwing these codes. P3007 (19463), P3338 (19794) P3373(19829), PO245(16629) P1495(17903), P3101(19557), P3103(19559). As soon as you clear them, when you go back to re check, there they are !!! Car ru...
2002 Volvo C70 2.3L No Start VIN: YV1NC53D42
first thank you for taking the time to read this. After replacing the evaporator core on this volvo we now have a no crank ---no start. also the shift inter-lock is inop. I do not know if we now have to reflash this or are we missing something. We had battery ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A4 1.8L radio VIN: WAUBB28D4X
Thank you to Marlon for providing the phone number for Audi[...] who was very helpful getting us the radio code for our client. Thank you everyone that took time to reply -
2007 BMW 530i 3.0L Cooling Systems VIN: WBANE73597
closing this request as time allows, customer has not brought car back due to aux waterpump is working now as the heater is working. intermittent issue and they will bring it back for further diagnosis if heater stops operating. thanks to all for your time and...
1999 Chevrolet Express 2500 5.0L Sdm VIN: 1GCFG25M4X
Thanks to Mike from Fla and Paul from MD.. The SDM module does not get programmed on this year model vehicle It is plug and Play Paul directed me to a great site which, by VIN, will tell you what module gets programed and all that great kinda stuff.. Check o...
2003 Chevrolet Malibu 3.1L Accessories VIN: 1G1ND52J23
i gugs thank for all your in put after replacing iac and tps did all necessory check last option was i replaced the pcm and reflash i drove the car for 70 miles so far so good thanks for all your help
2008 Chevrolet Silverado 2500 HD WT 6.6L Starting VIN: 1GCHK24678
This truck ended up needing the ECM reprogrammed. Thanks for all the input. Randy.
2009 Chevrolet Colorado WT 3.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GCCS19E69
2010 Chevrolet Equinox LS 2.4L electronic range select VIN: 2CNALBEW4A
2003 Chrysler Town & Country (Van) LXi 3.8L 8 VIN: 2C4GP54L43
thanxs everyone for the help in the end i determined it was the pcm and sent the customer to the dealer. i have not yet heard whether i was correct or not.
2008 Chrysler Sebring Limited 3.5L Battery VIN: 1C3LC65M58
Thanks to all that replied, and Kent for the hyperlink. This puppy is fixed. First off, I use a low amperage inductive clamp to measure draw. I then confirm it with another one.(shops)This prevents waking up other modules, etc. I also did let this car sit for ...
1999 Ford F-150 Lariat 5.4L shift in and out VIN: 1FTRX18L6X
Thanks for all of you who responsed. Filter had already been changed and no debris and pressures were within limits. Most replies pointed to torque converter (which is where I thought the problem was), so that is where we went. Thanks for your help.
2004 Ford Expedition XLT 5.4L shifter VIN: 1FMPU16L04
never could get the shifter to lock up in drive. we spent a lot of time with covers off trying to get there. we did notice the indicator marker not returning all the time to park. we replaced that and the brake shift solenoid. dave from louisiana fixed a explo...
2006 Ford Mustang GT 4.6L clutch pedal VIN: 1ZVFT82H76
Added a little vacuum and pump the heck out of it, works good now thanks for the replies and sorry for late closing, very busy which is a good thing. David.
2007 Ford F-550 Super Duty XLT 6.0L pushrod VIN: 1FDAW56P57
Thanks Iatn for all the replies I have fixed this one with a new camshaft as well as replacing push rod and lifter again. truck has been driven in excess of 2500 miles thanks again for the help. p.s. Ford says that with the head push rod and lifter there shoul...
2007 GMC Yukon Denali 6.2L Odometer VIN: 1GKFK638X7
Installed a new ipc in the vechicle and it came back to life. Thanks for all the Help!!
2004 Honda Civic EX 1.7L compressor VIN: 1HGES257X4
This car is fixed thanks to a new compressor and all the helpfull suggestions I got from everybody. Thanks again!
2006 Honda Accord EX 2.4L pass. airbag off light flashing VIN: 1HGCM567X6
thank you for the help on this one. I had to send it to the dealear, They continued to say it had a bad harness. So, I sent it to them to recheck what they said. Now they say it has a bad sensor in the R.Front seat. I can not see how a bad seat sensor can c...
2008 Honda Accord EX 2.4L VTC Actuator VIN: 1HGCP26828
Thanks for the replies guys apparently i got a bad actuator which is why i couldnt get it to unlock. called honda and got the same answers from them and you posted. went through the whole process on the phone with them and it still would not shift to unlock. h...
2009 Honda Civic EX 1.8L Compressor VIN: 2HGFG12879
1991 Jaguar XJS Classic Collection 5.3L Poor Idle Quality, Surge VIN: SAJTW4845M
Thanks everyone for helping out. I got the vehicle out by replacing the auxiliary air valve and adjust the idle/rpm to correct spec. Vehicle runs good now.
2003 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S83
hey all, Thanks for all of your responses, they were all helpful. After a close look at the patterns from my scope i realised what was going on. The width of the windows(on the scope patern) with the Chrysler sensor was much smaller (skinnier) than the width ... Trouble codes: P0300 (Random misfire), P0302 (Misfire cylinder 2), P0305 (Misfire cylinder 5), P0306 (Misfire cylinder 6).
2003 Land Rover Range Rover HSE 4.4L No Start VIN: SALMB11473
thanks all for the help, it does not have an inertia switch after all. the fix was a fuel pump. it was a coincadence that it died when owner slammed the glove box shut. the owner of the vehical dont want to fix this one, and of coarse its still sitting here af...
1998 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF65F1W
I was not able to get to the bottom of the problem with the O2 codes, the customer took the car back for a month and when it returned I only have the P0400, and no heater codes. Jon Trouble codes: P0161 (O2 Sensor heater left O2 after TWC), P0141 (O2 Sensor heater right O2 after TWC), P0400 (EGR Malfunction).
2004 Nissan Maxima SL 3.5L Excessive Emissions, Cuts out VIN: 1N4BA41E04
The Air /Fuel ratio sensor for bank one was not being grounded & as David from Tennesee said & the failure took out the ECU. We replaced the ECU (with new) & did the relearn on it & the car is down the road. thanks for the help Ralph Trouble codes: P1278 (Bank 1 02 sensor), P1279 (bank 1 02 sensor heater).
2004 Nissan Pathfinder LE 3.5L No Start
Well after I went through the process of removing the timing cover and rechecking timing, removing the transmission to double check flywheel indexing, checking compression and sensors with a lab scope with no results, I came to realize that this thing was not ...
2005 Nissan 350Z Grand Touring 3.5L Lack of power VIN: JN1AZ36AX5
Thanks for all who responded, the customer had installed a lightweight "performance" pressure plate prior to us working on the vehicle. He had told us this, we removed the trans again to find the hole for the dowl pin on the flywheel was too small for the dow... Trouble codes: P0011, P0021.
2006 Smart Fortwo .8L Brake lights VIN: WMEAJ00F36
Very little info available-customer was itchy to get vehicle back,could not find anything-checked wiring at rear of vehicle,sometimes corrosion present at connectors-not on this unit. Customer went to dealer. Thanks to the 2-people who replied!! Darren
2003 Toyota RAV4 2.0L Hesitation, Cuts out, Stall VIN: JTEHH20V83
Thanks to all that helped, it ended up being the #1 cylinder coil causing the cut out, stalling and hesitation. looks like the spike knocked out the communication from PCM to Scanner. You learn something new everyday! Thanks to all Al
2010 Volkswagen Jetta TDI 2.0L injector VIN: 3VWAL7AJ8A
Thanks for all help , the little cover must be turned 90 degrees to get access to hold down nuts then it can be extracted easily.Have a nice days techs .
1999 Volvo S80 2.9 2.9L Hissing Noise VIN: YV1TS97D5X
Did not fix this one. The steering column boot was a good suggestion, too bad it was seated and in place. PCV system is a common failure, but this one is OK. That whistle is there at idle, while ours is there only on acceleration. As it does not affect driveab...
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