Automotive Technicians Technical Discussion and Fixes for Feb 4, 2015

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	Help Request	Answers
	2004 Audi S4 Avant 4.2L Engine VIN: WAUPL68E44 Car has p1128, bank one system to lean , but car drive fine it just have the light on , we change Intake gasket and check for air leaks in the process but no luck , I can't fine any good leads ,can some one help me please	View
	2001 BMW X5 4.4i 4.4L MIL Lamp on, trans fail safe VIN: WBAFB33571 X5 will go into Trans fail safe mode, at idle in gear, or when driving in town, I noticed that with the ABS controller unplugged it will be perfect. We sent out he module to be repaired, but it still has the same problem, I can only communicate with the TC...	View
	2006 BMW Z4 Roadster 3.0i 3.0L no power on fuse 32 VIN: 4USBU33556 Customer complain gear light on for transmission.Pulled car in shop all lights on dash was on and no power steering. Pulled codes had no communication in dme,tcm, steering angle,etc.Checked all fuses all was good except fuse 32 no power or ground. Went to wiri...	View
	2006 BMW 325i 3.0L cabin heat VIN: WBAVB13596 Help BMW techs! We did a water pump and thermostat on this BMW due to the pump failed (common issue). the next day customer called- no heat in cabin. We rechecked our work, cooling system full, no faults in any modules. heater hose outlet is 40 degrees cooler ...	View
	2006 BMW 325Ci 2.5L Steering VIN: WBABW33456 Help BMW techs! We have this 325 in for no power assist cold. BMW tech did some tests on system- found issues with pump. we replaced the pump and reservoir. All seemed fine. Customer called a few days later- issue has returned. We have had the car for two days...	View
	2005 Buick Rendezvous CXL 3.4L Red temp light on VIN: 3G5DA03E35 I got involved in this when cust requested radiator replacement.Was having temp warning light and audible warning tone intermittently. Also seemed to be going into limp mode as this was occurring. Replaced radiator as per cust req, then on test drive temp warn...	View
	2000 Cadillac DeVille DHS 4.6L No Start VIN: 1G6KE54Y9Y The vehicle was towed in because car would not start, when it got here, neither of the key fobs would open or close the vehicle, like they were out of battery voltage. while in my shop the vehicle all of a sudden now cranked and started, before no crank. now t... Trouble codes: U1301	View
	2007 Chevrolet Express 3500 6.0L p/s pump VIN: 1GCHG35UX7 this van cleans floors at night. has a belt driven pump that runs off serpentine belt( not a/c belt) has broken p/s pump pulley twice now. belt alignment is correct using Gates aligner I think 1st pulley has oem pulley. 2nd one was a Dorman. anybody seen this?...	View
	2010 Chevrolet Malibu LT 2.4L Flooded on starting VIN: 1G1ZC5EB9A Customer complaint, every morning, hard to start, need to hold throttle open to start, flooded, cloud of black smoke from tail pipe. Once that clears, runs great, no drive ability problem. Once it stands for 4 or 5 hours, same issue. Long Term Fuel Trim -20 Re... Trouble codes: P0172	View
	2002 Dodge Ram 1500 ST 4.7L Dr. Heat VIN: 1D7HU18N92 I have cooler air coming from the drivers side vents. Passenger side vents have hot air coming from them. This system is NOT a DUAL CLIMATE SYSTEM. The blend doors and the actuators are all working fine and not broken or sticking.	View
	2004 Dodge Caravan SE 2.4L No start VIN: 1D4GP25B74 the vehicle was fine, after the service we performed oil chg, trans chage, plugs etc. major service, took for a drive through car wash, test drove for 5 miles parked it, after sitting for a while I tried to start it, it cranked n started then died out and no m...	View
	2008 Dodge Ram 2500 SLT 6.7L EGR System VIN: 3D7KS28AX8 I have this customer who keeps coming back with a p0489 and states its smoking and loss of power when it acts up. Code will not be present for days sometimes weeks, I have limited resources on this code. How can I verify the EGR is working properly or is there...	View
	1998 Ford Expedition Eddie Bauer 4.6L Poor Idle Quality, Misfire VIN: 1FMRU18W1W This thing is driving us nuts, even after we replced engine it seemed a little rough at idle but we left it go, weren't sure. But its back and we have inspected and check everything we can think of and still at idle or brake torqing at 1500 rpm we feel an roug... Trouble codes: P0303 (Cyl 3 missfire), P0304 (Cyl 4 missfire), P0300 (Random missfire detected in pending codes)	View
	2001 Ford Mustang 3.8L Battery draw VIN: 1FAFP44401 I hope there is an experienced Ford tech who might be able to help me with this one. Grab a cup of coffee, testing has been going on for 3 years because this problem has been so intermittent, but now it is always there. What is happening now is we have our Flu...	View
	2004 Ford F-150 Lariat 5.4L VCT solenoids VIN: 1FTPW12554 My question is simply: Can the VCT solenoids on this 3-valve be replaced without removing the valve covers?..getting conflicting answers..what is the real answer from you Ford guys out there?	View
	2005 Ford F-350 Super Duty King Ranch 6.0L Mechanical VIN: 1FTWW31P05 Has any one heard a chirping sound from the motor after the engine has hit operating temp. It sounds like a belt chirp but i have remover the serp belt and the noise is still there. We have just replaced the HP oil pimp do to hard start when hot. The truck sta...	View
	2007 Ford Focus SES 2.0L Cooling Fans VIN: 1FAHP34N27 Good afternoon and thanks for your help. I've got a 2007 Focus that is being repaired from a front end collision. The issue is that the cooling fans run on low speed all the time. There are no check engine lights currently on but when checking the engine data ...	View
	2011 Ford F-550 Super Duty XL 6.7L Starting VIN: 1FD0X5HT9B Check with ford lap top, only codes where p0471 exh back pressure and p2452 dpf issue. We checked fuel pressure and is 8000 start crank then drop to 6200 psi. WE have syc, we pulled fuel line at filter housing and turned key to koeo and have steady stream with...	View
	2012 Ford F-250 Super Duty King Ranch 6.2L canister vent solenoid VIN: 1FT7W2B60C This came in with p0446 canister vent solenoid circuit, customer replaced solenoid. Has 12v at plug and no ground when I activate it with scanner. I tested this a week ago and today it came back to spend some time and it had p0446 and p0480, fan circuit 1. Jus...	View
	2008 Honda Accord EX 3.5L engine VIN: 1HGCP36848 Engine noise seems to be coming from tHe back of the engine near cam shaft area. Sounds like a terrible clatter. This is a honda with eco system. Almost sounds like it doesn't have oil in it but has plenty of oil. Removed valve cover and checked rocker arms, p...	View
	2004 Isuzu Rodeo S 3.2L Poor Idle Quality, Surge, Stall VIN: 4S2DM58W04 Well just thought I'd run this by you guys and see if I'm on the right track. Rodeo came in with low power light and ck engine light on. Cured code p1515 with new tps. Then right away before it warmed up set code po101 and if you let it run 5 min., it will set... Trouble codes: P0101, P0300	View
	1996 Lexus LS400 4.0L Stall VIN: JT8BH22F7T injector loose signal after start. Install induction clearer canister to vehicle, started engine, allow engine to run at 1500 rpms. Engine will run until induction canister runs out of fuel. Fuel pressure is 42 psi. Good spark between coil packs and coil wire ...	View
	2008 Mazda CX-7 Grand Touring 2.3L No Start VIN: JM3ER29L48 Customer concern-intermittent loss of power and has lost faith in dealer diagnosing issue. Drove vehicle with no drivability issues for several miles until technician heard loud noise, lost power and then vehicle stalled and wouldn't restart-no DTC's ever. Rep...	View
	2007 Mercedes-Benz GL320 CDI 3.0L ride height VIN: 4JGBF22E17 there has to be a leak somewhere. has anyone had success with soapy water? when the bags leak where do they leak from? has anyone had any trouble with the plastic line to the bag? parts are not cheap and i hate to guess with someone elses money. no codes in co...	View
	2005 Mini Cooper 1.6L No Start VIN: WMWRC33495 Hello Again,I have this Mini Cooper towed in the shop belongs to a friend of mine which is inspite of telling her that I dont have experience on this cars she still insisted that she wants me to try at least,which I did.It came in no start condition,cranks but...	View
	1999 Nissan Frontier XE 2.4L Misfire VIN: 1N6DD26S7X This truck originally came in with a misfire complaint.Customer said misfires started after putting gas in. He assumed that he had gotten bad gas so he changed the fuel filter himself but it intermittently still misfired.When we got the truck it was nearly out... Trouble codes: P0303, P0300	View
	2004 Porsche Cayenne S 4.5L cooling system cust complains heater blows cold air and engine temp goes slightly above 3/4 mark which was confirmed, also noticed when rad fan comes on cold air blows through rad and fan wont turn off. My thinking is obviously a circulation problem. sounds like bad t/stat b...	View
	2004 Saturn Vue 3.5L Alternator VIN: 5GZCZ53424 Vehicle came in around November for Charging issues. Replaced Alternator and Battery. All was good until three weeks ago, vehicle came back with dash lights flashing and electric steering inop. Intermittently this happens, seems worse on colder mornings. Charg...	View
	2007 Saturn Aura XE 3.5L power steering pump VIN: 1G8ZS57N27 Replaced the power steering pump, and now have a whining noise when turning. Vacuumed the P/S system twice, and after sitting for a few hours, the whine is back. No indication of a leak, pulled steering rack boots to look for a leak and did not find one. All h...	View
	2009 Subaru Tribeca Limited 3.6L Mechanical VIN: 4S4WX93DX9 My customer just bought with vehicle has an oil leak we clean it all out look like both front lower corner of the cly head leaking oil.look like somebody try to seal the timing cover. Then they try to put silcone in the 10mm bolt at the front lower corner of t...	View
	1995 Volvo 850 T-5R 2.3L abs VIN: YV1LS5712S Vehicle came in with ABS and tracs warning lights on After cleaning and checked rear wheel sensors those codes don't come back after test driving but 4-2-3 cannot be erased All fuses power supply and grounds are ok Only thing that's left acording to vida is fa...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 Audi Q7 Premium 4.2L Cooling Systems VIN: WA1BV74L57 THANKS YOU ALL THE INPUTS.WE REMOVE BOTH UPPER TIMING COVERS AND FOUND BOTH SIDE SEALS CLY HEAD SIDE WERE FLATEN AND HARD.REPLACE BOTH PIPES,SEALS AND PUT IT TOGETHER.ADD COOLANT DRAIN THE OIL PUT FRESH OIL DROVE AROUND LET RUN FOR FEW HRS. DRAIN THE OIL AGAIN...	18
	2011 BMW 328i 3.0L Hvac VIN: WBAPH7G50B This car is still under warranty so off to Chattanooga or Atlanta it goes. I requested that the customer provide info on the Repair. I'll update this post upon further info. Thanks for the input.	8
	1998 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52K8W Hi members and thank you all for the help. We bought and installed a Delphi pump last week and have not heard from her since. I got a kick out of Jonathan from Californias comment about two bad ones in a row and you expect the third one to be good? I will not ...	38
	1998 Chevrolet C3500 Cheyenne 5.7L lack of power VIN: 1GBGC34R8W THANKS FOR ALL THE GREAT REPLIES. EVEN AFTER CHECKING EXHAUST BACKPRESSURE AND USING BORE SCOPE TO INSPECT BOTH CATALYTIC CONVERTORS VEHICLE ENDED UP HAVING A PLUGGED CAT. REPLACED BAD CAT AND VEHICLE POWER IS NOW RESTORED.	30
	2004 Chevrolet Silverado 3500 6.6L No Start VIN: 1GBJC39224 I am sure I had already close this post. The general consensus is the filter head should be replaced. We did that and so far have not had a recurrence.	13
	2007 Chrysler Town & Country Touring 3.8L Liftgate VIN: 2A4GP54L17 Since of the five pid inputs were good, and I scoped the hall effects switch and it was good, and I tested the pinch strips on the liftgate and they were good, I got a Liftgate Control Module from the salvage yard down the street and put it in and it was fixed...	5
	2005 Ford E-150 4.6L Poor Idle Quality, Stall VIN: 1FTRE14W75 Removed and cleaned throttle body. Road tested ok. No codes set and customer still driving it with n further issues. Thanks to aĺl who responded. Trouble codes: P0104 (MAF/VAF circuit intermittent).	14
	2011 Ford Expedition Limited 5.4L Electrical System VIN: 1FMJU2A56B The B+ on the start circuit was coming from the ignition switch. A new ignition switch fixed the problem.	11
	2009 Hummer H3 3.7L Abs Module VIN: 5GTEN13E09 It may take days for the light to come on making extremely hard to diagnose. I talked to a GM technician at my local dealer. He suggested replacing the mechanical side of the EBCM. He also suggested riding with the customer to see if she drives with 2 feet, th...	5
	2005 Kia Optima LX 2.4L No Start VIN: KNAGD12695 Customer decided not to invest any more money into vehicle. So I did not get a chance to see vehicle again. Thanks for all your input Trouble codes: P0201 (Cylinder 1 Injector Circuit Malfunction).	8
	1985 Mercury Grand Marquis 5.0L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2MEBP95FXF Thank you to all who responded. This fix is one for the ages. I went through all the replies and checked everything multiple times and was still at a loss for the motor stalling. I had my vacuum gauge on the main vacuum tree on the intake behind the carburetor...	27
	2003 Pontiac Grand Am SE 3.4L Security Light VIN: 1G2NF52E13 THANKS TO ALL RESPONDED TO MY REQUEST.UNFORTUNATLY,I RETURNED THE VEHICLE TO THE CUSTOMER WITH THE SECURITY LIGHT STILL ON.I TRIED ALL KINDS OF RESET METHODS,AND NOTHING WORKED.MY SCAN TOOL WAS NOT ABLE TO RETRIEVE ANY BCM CODES.I ASSURED MY CUSTOMER THAT THE ...	18
	2006 Pontiac Torrent 3.4L heater core VIN: 2CKDL73F96 The tie bar has to be removed. There are many bolts and nuts some down by the brake pedal assembly. It does come out with some effort. This job is real pain just to warn you guys if you get one.	1

(Also Available: All, Asian, Chrysler, European, Ford, GM.)