Automotive Technicians Technical Discussion and Fixes for Sep 4, 2012

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	Help Request	Answers
	1995 Buick Park Avenue Ultra 3.8L No Start, Stall VIN: 1G4CU5215S Good afternoon This car came in the shop for crank no start Check fuel pressure only had 20 p S I Installed new pump Pressure will go up to 50 pounds and then drop rate down to 0 Replace fuel pressure regulator And still do the same thing So I got another fuel...	View
	2002 Buick Century Custom 3.1L no rear turn signals or brake lights VIN: 2G4WS52J82 I have no rear turn sigals or brake lights. Changed turn signal switch, checked bulbs and fuses. Have power out of brake light switch.	View
	2005 Buick Rendezvous CXL 3.4L temp. gauge VIN: 3G5DA03E55 temp gauge works fine until it reaches halfway between 1/4 and 1/2 then it stops there until the temp on the scanner reads 220F then the gauge jumps to halfway between 1/2 and 3/4 during this hole time the temp on the scanner is working normally climing to 225...	View
	2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23163 Hi Guys duramax here with no start intermintant towed in no start no code checked it craked no start hooked up scaner watched fuel rail pid was 2to 3 cranking so i cranked it longer to see if it would build it did as i craked till it started at about 40 now i...	View
	2008 Chevrolet Silverado 1500 WT 5.3L TCC and circuit VIN: 1GCEC19J48 *THIS IS FOR INFORMATION ONLY TO HOPEFULLY HELP OTHERS OUT THERE FACING THIS SAME PROBLEM* The transmission was rebuilt and various updates internally were completed. After the transmission was reinstalled the torque converter clutch (TCC) was noted to be...	View
	2009 Chrysler PT Cruiser Touring 2.4L No Overdrive VIN: 3A8FY58919 This vehicle came in with a no shift to overdrive gear. It shifts okay from 1 - 3 but whinning noise after 3 gear shift and not shifting at all to overdrive. We do not rebuilt trans over here. There was no engine nor any transmission codes. Any help. Thanks	View
	1993 Dodge Dakota 5.2L Surge, Backfiring VIN: 1B7GL23Y7P Thanks in advance for any help you can give me. I have this Dakota that between 1700 and 2100 rpms will surge and backfire. I can duplicate it on the floor and the scan data looks good. I installed a known good cam sensor and it didn't help. While test driving... Trouble codes: 12 (O2 sensor not switching)	View
	1997 Dodge Ram 1500 Laramie 5.2L Unknown VIN: 3B7HC13Y8V NO fault codes, engine will not start, cranking BUT NOT START, YOU hit the gas and START faster, turned off the truck and restarts QUICKLY BUT let it rest a while and NOT START UNTIL YOU WORK hit the gas and NORMAL, TO GET TO A STOP, THE TRUCK STOPS.	View
	2001 Dodge Neon ES 2.0L No Start VIN: 1B3ES46C51 hi guys and gals i have this neon in the shop it came i with a broken timming belt and bent valves should we put a used engine in we did change the timming belt and waterpump on this engine before we put it in , it ran great for a day i was road testing it and...	View
	2003 Dodge Ram 3500 5.9L No Start VIN: 3D7LU38C83 Once again I find myself in need of your help!!! What a fantastic resource this (and you all) are!! This Cummins is a crank, no start when cold. It starts instantly and runs perfect when a "whiff" of starting fluid is introduced to the intake air. Both air hea... Trouble codes: P0541, P2607, P0111	View
	2007 Dodge Caliber SXT 2.0L MIL Lamp on VIN: 1B3HB48B97 Car came in check engine light on P0171. Replace MAP sensor with factory part, smoked engine, checked exhaust, thermostat working properly, LTFT stuck on 30. Stays the same at idle or under accel or cruise. STFT is close to 0. Any ideas would be appreciated. T... Trouble codes: P0171 (System too lean)	View
	2008 Dodge Grand Caravan SXT 3.8L Communication VIN: 2D8HN54P78 Hi all, Got a goofy one here. Thanks in advance for any help. This caravan was towed to us with a customer complaint of they would park the car and walk away and the horn would go off (solid horn honk, not like an alarm) and the wipers would start going. Aft... Trouble codes: U0141 (Loss of communication with TIPM), P0691 (Cooling fan circuit low), P0692 (Cooling fan circuit high), U140E, U1414 (Implausible ecu network config)	View
	1996 Ford F-350 XL 7.3L Low Psi Oil VIN: 1FTJW35F5T Customers truck shut down going road. Will not build low pressure oil, will not supply oil to the HP reservoir. I can fill HP reservoir and it will start and run until it empties reservoir. Over filled oil 2.5 gal.Unplugged IPR and spun engine, no psi or oil t...	View
	1997 Ford E-350 Econoline Club Wagon XLT 6.8L long crank time VIN: 1FBJS31S1V when cold van cranks for about 10sec before turing over and it is and interminitant situation where most times when it is cold it turns over. when veichle has long crank time and finally starts there is a white smoke out of exhaust. i have done a fuel pressure...	View
	2003 Ford Expedition XLT 4.6L Hesitation, Poor Fuel Economy VIN: 1FMRU15W73 thanks ahead of time for any help.customer brought vehicle in after replacing spark plugs.said it was still running bad and using a lot of fuel.we scanned and it showed lean on bank one and rich on bank two.had hand check for vac.leak.found gasket leaking.repl... Trouble codes: P1549	View
	2003 Ford Mustang Mach I 4.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP42RX3 I do believe there is something wrong with pcm, however this low vacuum cannot be linked to this problem. It will barely move its own weight. Does not seem to have audible racket from the timing chain areas, but leaning toward pulling valve covers and ID ing t... Trouble codes: 340 (Cmp)	View
	2006 Ford Fusion SE 2.3L Pcm VIN: 3FAFP07Z36 Problem communicating with scan tool. Checked all fuses and all fuses are good. Checked dlc have power and ground. There is no communication with no other modules as well. Can this be possibly be a bad pcm?	View
	2006 Ford Crown Victoria Police Interceptor 4.6L fuel pump fuse f4 20 amp bjb VIN: 2FAFP71W36 is it possible for the fuel pump to cause f4 20amp in the bjb to open?	View
	2007 GMC Yukon Denali 6.2L ride control VIN: 1GKFK63807 Greeting fellow techs. Customer states that air suspension compressor comes on every time they start vehicle and comes on while driving which it never used to do before. On the scanner when the compressor comes on the actuator commands are all at zero. The pos...	View
	2010 GMC Sierra 1500 SLT 5.3L MIL Lamp on VIN: 3GTRKWE32A This pickup came in with a P0300-P0172-P0175. There was a missfire on #1 cylinder, replace plugs & wires, cleared codes & test drove. With the scanner hooked up monitoring the 02s everything seemed OK. Checked for vacuum leaks & none were found. Fuel trims wer... Trouble codes: P0172 (Rich Bank 1), P0175 (Rich Bank 2)	View
	1987 Honda Accord LXi 2.0L Cuts out, Misfire, Erractic tachometer VIN: JHMCA5641H If car is driven very gently you would never see the symptoms. Under load, generally upwards of 3,000 revs, the tach will begin moving rapidly and erratically, associated with a bucking sort of erratic misfire and spark knock. Back off the throttle, ok. It can...	View
	1994 Honda Accord LX 2.2L No Start VIN: 1HGCD7148R this vehicle came with a problem with the ignition switch,unless you hold the key the car won;t stayed running replaced the ignition switch,and now the car runs but after 5 minutes running it will dye out and won't start,I checked for fuel pressure 40 psi key ...	View
	2008 Jeep Wrangler Unlimited X 3.8L Sas VIN: 1J4GA39108 Hey the esp and bas light are on in the cluster! i do not have any codes! i can clear the lights and they stay off, with the steering wheel in the strait ahead position, as soon i turn the wheel the lights pop up!i checked the sas sensor with my scanner and i...	View
	2004 Kia Sorento EX 3.5L Transfer case VIN: KNDJC73364 Good Aftetnoon. We are having problems with the auto 4x4 system on this Kia. The engagement coil is staying engaged all time while moving. We can not communicate with the control module and if we unplug the controler or the harness at the transfer case it wi...	View
	2002 Mazda 626 LX 2.0L Vibration VIN: 1YVGF22C92 Howdy Y'all! We started on this Mazda 626 with a vibration felt thru the steering wheel and the seat . After replacing all the mounts There a 5 total...WE still feel the vibration...maybe even worse now. I haven't seen many posts about this issue. SOOOOOO Here...	View
	2005 Mazda 3 i 2.0L flexplate VIN: JM1BK12FX5 I have an odd one that I cannot find a cause for here. This is a well maintained car that runs, drives and looks perfect other than it ruins flexplates regularly. The first flexplate broke all around the holes that run halfway between the converter bolt holes ...	View
	1998 Mercedes-Benz SLK230 Kompressor 2.3L No Start, Cuts out, Stall VIN: WDBKK47F7W This car was towed into us after another shop tried to repair it. We are having issues to keep this SLK running. Was towed in for for a crank no start. When you try to start it will start and run for about 1-2 seconds and quit. So it came in with a second key....	View
	2003 Mercedes-Benz SLK320 3.2L Driver side ignition VIN: WDBKK65F63 I am working on this Mercedes. When it came in it had a driver side squib circuit code as read by my Snap On Verus. We replaced the clock spring and got a steering angle sensor code. This needed to be calibrated and my Verus did not have the ability to do it. ...	View
	2008 Mini Cooper Clubman 1.6L Turbocharger VIN: WMWMM33528 The engine light comes on that signals reduced power. code is 2885 no P-codes set if I read generic obd2. description for this code is "boost pressure control deviation,plausibility" This happens when passing etc. RPM 4-5,000. Does not seem to be an issue star...	View
	1996 Mitsubishi 3000GT 3.0L MIL Lamp on VIN: JA3AM84J9T i was wondering if anyone has seen this code p1100 variable intake control failure as the tests in mitchel on demand require live data of vic motor position and no scanners have this pid available. Trouble codes: P1100	View
	1997 Mitsubishi Galant ES 2.4L Monitors VIN: 4A3AJ56G0V First, thank you to all for taking the time to offer help. This particular problem child came to us after the customer bought it at auction. We first got it due to a check engine light and a code P0505 - Idle air control circuit. Taking the computer cover off ...	View
	2002 Mitsubishi Galant ES 2.4L No Start VIN: 4A3AA46692 Car came in for no start.Tried starting and motor sounds like no compression and found belt broke.Replaced belt and tried starting and found no spark and fuel injector pulse.Have code for immobilizer p1610 reset and doesnt come back right away.Wonder if bad cr... Trouble codes: P1610	View
	1967 Oldsmobile Cutlass 5.4L Misfire VIN: 338677M180 had a miss, worse when warm, had low compresson on cyl#3, had heads redone, compresson now good, still have miss, hard to tell, only going down the road, sometimes single miss, other times multiple miss and almost cuts out, what am i missing	View
	2000 Toyota Sienna LE 3.0L Starting VIN: 4T3ZF13C5Y Intermittent battery drain. Found EFI relay staying energised at times. PCM powers EFI control side of relay, no codes. Inspected all PCM powers & grounds, all seam to clean & tight. Customer claimed she knew what days it was going to act up because air flow v...	View
	2003 Toyota Corolla CE 1.8L Mechanical VIN: 1NXBR32E23 Vehicle came back with a noise at the front of the engine. We replaced the serp belt tensioner and alternator pulley and that resolved the cusomers complaint.I drove the vehicle after that and noticed another noise that was hidden by the tensioner noise.The no...	View
	2003 Toyota Corolla CE 1.8L No Start VIN: 2T1BR32E53 this car came to us on the tow truck whit a no start ,i have no spark and no signal at the injector also no fuel pump,so i pluged my scanner to see if there is code and to see the crank sensor signal but no communication whit pcm .so i cleaned the obd2 connect...	View
	2006 Volkswagen Rabbit 2.5 2.5L MIL Lamp on, VIN: WVWDR71K36 ran all test that could run with our equipment power grounds checked ok. smoke tested no leaks found? Trouble codes: P0441	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 Acura RL Premium 3.5L Srs VIN: JH4KA9663Y sorry i thought i closed this when i was clearing the code i was not turning the car off after clearing and so the light will come back on and no codes i was just not following the procedure. many of you were not understanding my request i guess i know that t...	7
	2004 Buick Park Avenue Ultra 3.8L Vses VIN: 1G4CU54154 Just so people know, this particular vehicle self centers each drive cycle, there is not a procedure to calibrate or align the steering wheel other than a normal alignment. The customer needed the vehicle and has not returned yet. When they do, I will update...	9
	2001 Chevrolet Express 3500 5.7L Doesn't start VIN: 1GAHG39R11 No start, it was the fuel pump harness round plug, thats located in front of the fuel tank on the drivers side, of the transmission cross member which had bad connection. After repairing the connector the problem was solved. Thanks for the members that repli...	18
	2003 Chevrolet Express 3500 6.0L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCHG35U83 hey thanks again for all the help, after playing with the wire harness long enough finally got the truck to act up all the time, got a code for map sensor, stuck high voltage and wasnt changing. computer was trying to compensate and that's why the trims were g... Trouble codes: P0101 (Maf sensor performance).	10
	2007 Chevrolet Silverado 2500 HD LT 6.6L Right Front Wheel Sensor VIN: 1GCHC23697 We got this truck back in the shop on Friday and did as Al from Ontario suggested.We switched the left front and right front wires around in the EBCM connector and it came up with the same code.That confirmed that the EBCM was bad internally.We replaced it and...	8
	2007 Chevrolet Cobalt LS 2.2L Evaporator case VIN: 1G1AK58FX7 Hey guys Mathew from California hit it on the head. I had already fixed it by the time I read his reply, but it was correct. Thank you to all who responded you are all great. I split the heater core case at the bottom. Then you have to find a tube heading to t...	14
	1995 Dodge Ram 2500 5.9L no reverse no fourth gear braking no irst gear bra VIN: 3B7KC23C7S As per many of your comments we pressure tested rear servo, with no pressure. replaced valve body with another one, fixed the problem. thank you for all your comments and advise.	10
	2003 Dodge Neon SXT 2.0L Stall VIN: 1B3ES56C83 Thanks for all the responses. The main question I had was the 5 volt reference on all my sensors after the car was turned off. I thought I had a problem with this. After finding out this was normal, I replaced the Bosch o2 sensor with an OE from Dodge. I found... Trouble codes: P0132, P0420, P0440, P0456.	5
	2007 Dodge Caliber SE 2.0L Hesitation, Cuts out, Stall VIN: 1B3HB28B17 we found a broken wire to the communication bus that caused problems with the smart fuse box. repaired wire and the system came back online.	3
	1998 Ford Expedition Eddie Bauer 4.6L Pcm VIN: 1FMRU18W3W REPLACED FUSE PANEL UNDER DASH, NO EVIDENCE OF WATER INTRUSION, HAS NOT HAPPEN AGAIN. HAS NOT BEEN COOL OR HUMID LATELY. PROBLEM IS VERY INTERMITANT.	8
	2003 GMC Sierra 3500 6.6L Stall, MIL Lamp on VIN: 1GDJK34193 Thanks for all the help, Fuel Injector Control Module (Driver Module) took care of the problem. Just a matter of trusting your tests and following the flow chart, as well as accessing this website for similar problem vehicles and the knowledge base. A used uni... Trouble codes: P0374 (Timing Reference Signal A No Pulses).	3
	2007 GMC Acadia SLT 3.6L Cuts out, Stall VIN: 1GKEV33737 unfortunatly we were unable to find any problems or fixes. our next step was to start replacing parts which we do not support, therfore we sent it to the dealer for further diag. Thanks to all of you who replied.	7
	2000 Honda Accord LX 2.3L MIL Lamp on VIN: 3HGCG6654Y Thanks to all who replied... several replies were correct in pointing out the o2 heater resistance issue. Aaron included technical info (resistance of o2 heaters) for both ULEV and SULEV vehicles. remember in california there are Super Ultra Low Emission Vehic... Trouble codes: P0141.	9
	2003 Honda Pilot EX 3.5L Rear Inner Lower Control Arm Pivot Bolt VIN: 2HKYF18553 Thanks to all for the input! The ONLY way was to cut out the bolt and replace the complete arm,for anyone else doing this job be careful around the sub frame as the metal seems to be very weak and is very easy to bend and twist out of shape.Job complete and cu...	14
	2004 Honda Accord EX 3.0L Head Bolt Threads VIN: 1HGCM665X4 Customer has decided to go w/a used engine. Timesert does make a repair kit for the Honda v-6, and that appears to be the way to go if you were to fix it. A little more history - this is the original owner and the car has never been overheated, engine is very...	18
	2005 Honda Accord Hybrid 3.0L Unknown VIN: JHMCN36445 Sorry for the long close time, it has been difficult to get the customer to return. After inspection of the motor mounts we feel very strongly that replacing the mounts will cure the concern. There is a lot of movement under acceleration and the mounts appea...	5
	2005 Hyundai Accent GLS 1.6L speedometer VIN: KMHCG45C55 Thanks guys, car is fixed. The replacement sensor finally arrived after waiting a week. We drove the car just before and had no speedo at all, put in 2nd new one and works correct. It was just a bad part.	3
	1999 Infiniti QX4 3.3L Electronic VIN: JNRAR07Y6X The problem in this vehicle was evaporator with refrigerant leak, we replace the evaporator and the a/c works great. Apparently you have to push the Auto and that makes the a/c works. I’m not totally sure if that’s the correct way or if the a/c switch it’s not...	4
	2004 Kia Spectra EX 2.0L speedometer VIN: KNAFE12164 sorry to say but customer had to have car and could not leave it more that a day. and has not returned it. the 4 replied vere very helpful. thanks guys for your help. if car returns ill repost a fix! God Bless	6
	2001 Lincoln LS 3.9L Low Side valve VIN: 1LNHM87A11 My apologies to everyone that responded to this post. Yes I was able to locate the low side valve where everyone that replied said it was located. Thank you once again everyone for the fast responses and accurate information.	17
	2006 Mercedes-Benz SL500 5.0L module VIN: WDBSK75F26 sorry for the delay on this one but sent the car to the dealer to find problem. they said it was a coding issue but would not tell me more. i knew it had to be coding problem but wish they would have told me what part of the coding was wrong. if i find out i w...	2
	1995 Mitsubishi Eclipse GST 2.0L Poor Idle Quality VIN: 4A3AK54F9S So after checking most of the suggested things like ect, egr, tps ect. I found no other problems, replaced throttle body assembly and idle speed is much lower and not surging but still not in spec. After testing the IAC motor I determined that the driver in th...	11
	2003 Nissan Sentra SE-R Spec V 2.5L Switch The dimmer switch fixed the vehicle , it had lost resistance in the switch . Thanks for both replies . Ses light did not come back yet ..	2
	2005 Nissan Pathfinder LE 4.0L transmission VIN: 5N1AR18W55 I thank-you for Ideas, but the owner has not yet come back, not sure but think he's gonna trade it before turns into a money-pit, like his last vehicle.	5
	1999 Plymouth Grand Voyager Expresso 3.8L 20 amp eng fuse VIN: 1P4GP44L4X thank you all for the replies. the alternator was the issue and van has been sent home. there were somr harness issues like around the back side a bracket bolt was left off. good thing the wire stayed shielded well. thanks all	11
	2005 Saab 9-5 Arc 2.3L MIL Lamp on VIN: YS3ED49A65 First let me state that I was just trying to save customer a couple of bucks.I did replace the DI Cassette with OEM and all issues are resolved. Customer very happy even though it cost her more.Plenty of power, no pinging,No lights. The DI's I originally purch... Trouble codes: P1312, P1334, P0340 (Cam sensor).	11
	2003 Saturn Vue 3.0L no power steering VIN: 5GZCZ63B73 I could never find out exactly wher the steering module gets the information to let it know when the vehicle is running, the customer didn't want to put much money into the vehicle because they ere going to sell it so they took it back. I would assume the stee...	4
	2000 Toyota Avalon XL 3.0L compressor VIN: 4T1BF28B6Y Multi display turned out to be bad- this is where the a/c amplifier is located- not in the a/c control head like we had thought.	8
	1996 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 3VWFA81H1T Thanks everyone for your help. We were able to get the light to stay out for a couple days but it would eventually come back on. I think the used part may be bad but the car has been back burnered. I am closing this but will post the fix when it gets done. ... Trouble codes: P0510.	11
	2004 Volvo XC70 2.5L No Start, Stall VIN: YV1SZ59H84 Information including a recent call to identifix narrows this down to overboost causing the limp mode. Customer FINALLY brought car back today (sept 4th) and codes returned of overboost, fuel trim and ECM internal fault. Performed smoke test on all intake plum... Trouble codes: 260A, 261A, 400C, 130A, 6814 (Turbocharger control signal too high), 981A.	8

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