Automotive Technicians Technical Discussion and Fixes for Dec 19, 2013

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2001 Audi A4 1.8L No Start VIN: WAUAC68D21 Need real help with this one. Vehicle towed in no start. Battery was low. Disconnected and recharged. Customer had replaced the f/pump relay as he checked and found no power at the pump. Checked and found no power to the pump. Checked the relay and it was not ... Trouble codes: 00771 (Instrument cluster open/short fuel level sensor), 01314 (instrument cluster ECU no comunication-intermittent), 00956 (central lock Key2 adaptation limit surpassed), 18010 (Engine power supply terminal 30 voltage too low), 17910 (Engine f/p relay short to plus), 17951 (Engine angle sensor 1 signal too low)	View
	2003 Audi A4 1.8L abs VIN: WAULC68E43 Hi again. We have a new customer that brought in his car because the ABS and traction control lights are on. I scanned the system, and the only code that comes up is 01435: Brake Pressure Sender 1, G-201, electrical fault in current circuit. Mitchell on Deman...	View
	2005 Audi A6 Quattro 4.2L rear defroster VIN: WAUDL74F45 Rear window defroster is not working, I have checked the 40a fuse at the right rear, the relay has power from the fuse and the relay ground is ok. I removed the relay and checked it, ok. checked the data block in the hvac ecu and it shows the button on/off whe...	View
	2003 BMW M3 3.2L Abs VIN: WBSBL934X3 Hello everyone, I need some help with a code for the rotation rate sensor 5E38. I am using an autologic for my scan tool. This car came in with the code stored and one of the things we noticed was that the wheels and tires have been changed. the front tires ar...	View
	2005 BMW 745Li 4.4L No Start VIN: WBAGN63525 To all thanks in advance for your help we removed the engine and trans as one unit with sub frame and struts and removed cly heads and replaced valve guides and seals installed engine and trans the car runs great and no smoke the car has been driving 200 plus ...	View
	2005 BMW 745Li 4.4L transmision/cas VIN: WBAGN63565 what I have is a E66 745Li that gives warning message on display: "The transmission automatically shifts to P when the engine is switched off. Please contact your BMW center as soon as possible." fault code in transmission module 51AC no message from car acc...	View
	2008 BMW X5 4.8i 4.8L Hard Start VIN: 5UXFE83578 I am looking for fuel system information for this 2008 X5. The vehicle came in as a no start, the battery was junk. This X5 now has an extended time. If the vehicle sits for a couple of hours it drops fuel pressure to 20 PSI. As soon as the vehicle is cranked...	View
	1996 Buick Skylark Limited 2.4L Unknown VIN: 1G4NJ52T2T Hi, every one i have this 1996 skylark with quad 4 engine, came in with no start problem.spark plugs all were soaked with gas, we had had ignition , so we did compression test ,3 out of 4 cylinder were 25 psi or less. Customer got his own used engine ,before p...	View
	2009 Cadillac Escalade ESV Platinum 6.2L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GYFK26229 Customer was going to have vehicle towed to shop. Said vehicle has cut out and died. Later drove to shop, vehicle ran fine. Checked codes. P2135 came up. Checked for corrosion at ecm and sensor. Found none. checked sensor values. Checked out Ok, but replaced a... Trouble codes: P2135 (tp sensor voltage correlation between 1 2)	View
	1951 Chevrolet Truck 3100 3.5L Mechanical VIN: 14JPG16820 Doing Some Engine Work To This Truck. Guess Rebuilding Engine Is What It's Amounting Too. Anyways, Looking For Info On The Oiling System. Wouldn't Mind A Good Explanation Of How It Functions But My Main Question Is This.. Where The Oiling Tube For The Rods, Th...	View
	1999 Chevrolet Blazer 4.3L No Start, Stall VIN: 1GNDT13W8X Vehicle drove in staling once in a while, now don't start at all.	View
	2000 Chevrolet S10 2.2L transmission VIN: 1GCCS1449Y This is my personal truck. The truck has progressively gotten worse but what happens now is that I depress the clutch pedal and at first start up with the clutch pedal depressed it makes this horrific growling noise that you can hear outside of the truck. If y...	View
	2006 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F36 All codes relate to throttle body BUT it only happens occasionally in cold weather - two seasons now - two occurences in last three weeks. My air intake was filled with water and oil so I am going after PCV system first. I have pressure coming out of cam cover... Trouble codes: P1516 (Tac), P2101 (Tac), P2119 (Tac), P2176 (Tac)	View
	2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Starter VIN: 1GCHK24D97 This diesel tk was towed in because of a no crank condition. The scan tool first didn't have any communication. After checking connections and restarting the tool, it communicated. No current codes were available. We were able to test the starter at the fuse b...	View
	2008 Chevrolet Avalanche LS 5.3L MIL Lamp on VIN: 3GNFK123X8 I got this nightmare of a truck here . I have 13 codes the main codes are listed above but it also had some rich codes the other converter code a brake light switch performance code and misfire codes . This truck is pretty beat and the lifters are ticking. Now... Trouble codes: P0420 (Cat inefficency), P2138 (App 1-2 corrilation), P2119 (Throttle closed performance), P1380 (Misfire detected), P1175 (Fuel trimcylinder balance bank 2), P0690 (Engine control relay)	View
	2007 Chrysler Aspen Limited 5.7L Park Assist VIN: 1A8HW58227 Message center says " Service Park assist system" Pulled codes and found DTC B127C: PTS sensor 11 CKT active low. I was able to clear code but it does return. I am assuming one of the sensors in the rear bumper are faulty but have no way to know what one. No e...	View
	2002 Dodge Ram 2500 5.9L Excessive Emissions, Stall, Misfire VIN: 3B7KF26Z02 if truck is left outside over night runs great if left in the shop runs very poor backfires through intake and exhaust the rpms on the tach and scan tool go from 350 up to 3000 but the engine doesnt actually go up or down if its cold runs great the ect sensor ... Trouble codes: P1391	View
	2007 Dodge Ram 2500 TRX4 5.9L Misfire VIN: 1D7KS28C77 Hey everyone this truck came into my shop with a fuel knock I told the customer that he probably needed injectors. A few weeks later it comes back in with new injectors that he has put in himself from Pensacola diesel, it has a misfire under light load at abou...	View
	2012 Dodge Avenger SXT 2.4L Heat VIN: 1C3CDZCB6C Hey all, Posting this one for the young tech in the bay next to me. We have the above Dodge Avenger. The customer complaint is that with the heat on, it blows cold on the passenger side.And that it does. This is NOT a dual zone unit. The tech googled the prob...	View
	1999 Ford F-250 Super Duty XLT 6.8L Misfire Does anyone have a way to test these ignition coils while still on the truck...This truck has a bad misfire. Costumer plowed all threw the night with it and would not set a code. Even gave him my EVO and told him how to check mode 6 and not one misfire would s...	View
	1999 Ford Ranger XL 2.5L Cooling Systems VIN: 1FTYR10C8X Cust comes in and states heater is cool at all times and according to gauge engine runs cold at all times and asks us to replace T/stat. No leaks and system was full before we started. We replaced T/stat with 192 degree stat from O'Riellys. Test drive with sca...	View
	1999 Ford Mustang 3.8L Poor Idle Quality, Surge, Misfire VIN: 1FAFP4046X Vehicle came in with p1120 and rough idle and idled around 1200. checked throttle position with scanner showed range of 9%-43% at idle. backprobed connecter read 1.2 (closed) volts signal and 5.19 reference. checked sensor sweep seemed fine. checked ground wir... Trouble codes: P1120	View
	2001 Ford F-150 XL 4.2L metal intake bypass tube VIN: 1FTZF17201 Greetings ladies and gentlemen: This vehicle has a leak at a steel tube that is pressed into the front portion of the lower intake manifold. Before I wrote up the estimate I looked at the archive and found it is best to remove the lower intake manifold to pe...	View
	2003 Ford Ranger Edge 3.0L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1FTYR14V13 I need help I have a 2003 ford ranger 3.0l v6 that has p0304 and p0174 code it has hardly no power at wide open throttle it is spark knocking bad. checked compression it is 115psi has good spark cylinder 4 pulled injector connector while running at idle for cy... Trouble codes: P0304, P0171	View
	2004 Ford Excursion Eddie Bauer 6.0L No Start VIN: 1FMSU45P54 Looking for info from your Powerstroke experience! This vehicle has been in twice before for crank no start. Both times I found the IPR (Injection Pressure Regulator) screen torn or cracked & the IPR contaminated with bits of gray silicone gasket material (The... Trouble codes: P2291	View
	2012 Honda Civic LX 1.8L Blower VIN: 19XFB2F50C Blower noise from the center of dash when blower is on the middle position. It will cnange pitch when you move the temp. knob from hot to cool. Goes away once the car warms up although you can get it to make the noise when you play with the hot/cold knob by tu...	View
	1999 Jeep Cherokee Limited 4.0L No Start, MIL Lamp on VIN: 1J4FT78S1X The vehicle was towed in. When i went to start car there was no check engine light and the asd relay was buzzing. Sometimes the light is on and the vehicle will start but it doesn't want to idle. Whenever you turn on the car and the relay buzzs the condenser f... Trouble codes: P0700 (There is a trans problem), P0854 (Trans code i can find no definition)	View
	2004 Jeep Grand Cherokee Laredo 4.0L Unknown VIN: 1J4GW48S34 I have this 2004 grand cherokee that has a humming noise like a wheel Bearing only when your on the brakes , sounds like it is in the front . Changed All Pads Turned all Rotors noise was there Before the work was done. There Is Know Play in front Steering Link...	View
	2009 Kia Sportage LX 2.7L Power Steering VIN: KNDJE72399 Vehicle came in no power steering assist some times usually when cold . It seems like once vehicle was driven for a short time then PS would kick in and work. We tried removing reservoir because fluid was dirty & changing fluid but still has the issue. We did ...	View
	2001 Lexus LS430 4.3L Sunroof VIN: JTHBN30F61 Vehicle came in a couple weeks ago for valve cover gasket replacement, car battery died repeatedly in bay and lot. Diagnosed as a bad battery, replaced, checked starting and charging system. All ok, test driven, all ok, customer called, picked up car, no immed...	View
	2010 Nissan Altima 2.5L heatet VIN: 1N4AL2AP9A hi guys i have this nissan altima 2010 with no heat if give it gas to 2500 rpm i have a lot of heat the car does not over heat .i am thinking of a circulation problem .i want to change the 2 thermostat first .what u guys think .any help thank u	View
	2005 Saab 9-2X Linear 2.5L camshaft seal VIN: JF4GG61625 Vehicle came in with blown headgaskets. I removed the heads and sent them to the machine shop. They replaced the valves and seats, magnafluxed, and refaced contact surfaces. Got them back and re-installed all parts accordingly, including new idler and timing b...	View
	2002 Saturn L300 3.0L No Start, Hesitation VIN: 1G8JW54R32 Checked vehicles fuel pressure, when running 45-49 lbs. But when vehicle is turned on there's no priming on the pump. So I went ahead and replaced fuel pump with OEM pump, and replaced the fuel filter. Still same issue, Replaced crank sensor, still same issue,...	View
	1996 Toyota Camry DX 2.2L Excessive Emissions VIN: 4T1BG12K5T Exhaust system? This fedral Toyota camry 2.2L had previously had a code P0420 for catalytic converter low efficiency. This vehicle came in and it had only the P0420 code. The vehicle was a smog failure. The previous smog tests on this vehicle show no tamper fa...	View
	1999 Volkswagen Passat GLS 2.8L Engine timing VIN: WVWMD63BXX Hello all, Hi have this Volkswagen Passat in which the customer had towed in due to an engine noise. I was able to start the vehicle and heard a terrible grinding noise. I discovered the timing belt idler pulley had come apart in 2 pieces. I replaced the timin...	View
	2009 Volkswagen Jetta SE 2.5L electrical power VIN: 3VWRM71K19 Hello, gents. This Jetta came in on a hook, died won't restart. New customer for us, owner said it had stalled several times before but always restarted. Turning the key 'on' only displays the 'DRL' indicator in the cluster (no 'idiot' lights at all) and the ...	View
	2004 Volvo C70 2.4L Shift solenoid VIN: YV1NC63D24 Thank you for your help. This car came in with a code P0762 or Volvo TCM 0115, Shift solenoid C stuck on. After reading and clearing the codes and test driving, the car performs flawlessly. Previously, several thousand miles ago, this customer had it looked ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 Chevrolet Silverado 1500 5.3L engine VIN: 2GCEK19T31 hey guys thanks for all the great ideas and info. It ended up being an intake leak around #5 injector o-ring. I found it by srpraying with carb cleaner and watching fuel trims dip to negative numbers. i had sprayed with carb cleaner earlier but was just going ...	21
	2003 Dodge Grand Caravan EX 3.8L No Start VIN: 2D4GP74L63 After reading a number of suggestions about the ignition switch and ip cluster solder joints we stuck a new switch in and pulled the cluster and checked the joints-all ok-still coming back to the pcm-when the problem occurred the pcm was off line.Decided to bi...	19
	1994 Ford Bronco Eddie Bauer 5.0L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1FMEU15N6R Customer neglected to return for diag of the fixed defaulted timing. However, I did find a coolant temp fault code on following koer tests. A second look at engine data found ECM only interpreting 103 while at operating temp. This caused the air injection to n...	23
	2003 Ford Windstar LX 3.8L sliding door entry lights VIN: 2FMZA51493 Vehicle still hasn't been in for any further diagnosis. The customer most likely hasn't been using his key fab. Thanks for all the input. If it ever does come back in, i will try to reply to all that helped.	6
	1995 GMC K1500 Sierra SL 5.7L No Start, Misfire VIN: 1GTEK19K6S Removed the distributor and replaced the pick up coil and distributor shaft the magnets on the shaft was cracked. Reinstalled distributor and engine started and ran good with EST wire connected or disconnected. Thanks for everyones response and help	17
	2009 Kia Sedona LX 3.8L Electronic Stability Control VIN: KNDMB23399 Thanks guys for all the responses. There was a recall on the van. The customer stated that he called the dealer and they confirmed the recall and scheduled for him to bring it in. It was weird though that he claims he never got a notice in the mail. Oh well. N...	6
	2008 Land Rover LR3 HSE 4.4L transfer case/DSC VIN: SALAG25448 Thanks again members for all the helpful hints. I found no evidence of water in the transfer case control module. After removing the transfer case actuator, the plastic gear had a flat spot worn into it, just like the BMW actuators. Replaced actuator and retu...	4
	1999 Mercedes-Benz C230 Kompressor 2.3L shifter VIN: WDBHA24G2X Problem turned out to be mechanical, and pretty poor design IMHO. The lever under the shifter (operating the rod to the transmission)is keyed to the shifter shaft, supposed to slide and disconnect from the shaft when the shift lever is moved left while in D, s...	10
	2008 Mercedes-Benz C300 Sport 3.0L No Start VIN: WDDGF54X58 Thanks to all who replied. After reading the posts I went back over all my diagnosis of the vehicle. Replacing the crank sensor was on my mind but having no communication with the computer still threw me for a loop. I unplugged the crank sensor and still no co...	8
	2007 Mini Cooper 1.6L MIL Lamp on VIN: WMWMF33517 bled some more and light has been off for two weeks.	6
	2006 Saab 9-3 2.0T 2.0L ABS light-intermittent VIN: YS3FD79Y96 Well, This one is down the road! I want to thank all that replied, with a special THANK-YOU to Martin, I pulled the harness from the frame at right rear and found A broken wire..The harness according to my local dealer is not available at this time, so.. I use...	9
	2008 Saturn Astra XR 1.8L Starting VIN: W08AT27158 Thanks for the replies, we had thoroughly checked the starting circuit, voltages (new battery), voltage drops and could send 12V through the relay wiring to start the car; it just wouldn't start with the key! I ordered a new TCM for it, put it in and the car ...	4
	2005 Toyota RAV4 L 2.4L engine block VIN: JTEHD20V55 Thank you all for your replies. Although most of you suggested the thread repair for this problem, my customer wasn't comfortable with the idea. So we are putting a 2006 2AZ-FE into this thing. It does swap, as some of you told me, although I did have to swa...	11
	2006 Toyota Sienna LE 3.3L Drive-axles VIN: 5TDZA23C86 THANKS TO AL [...]! FOUND AFTERMARKET FRONT MOTOR MOUNT ( DONE BY ANOTHER SHOP) AND LEFT SIDE AXLE SHAFT TO BE THE PROBLEM. AGAIN TRYING TO SAVE CUSTOMER SOME DOLLARS BEFORE XMAS BITES SHOP IN WALLET. THANKS AGAIN!	12

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