Automotive Technicians Technical Discussion and Fixes for Mar 20, 2014

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	Help Request	Answers
	1991 Audi 200 Quattro 20v Avant 2.2L MIL Lamp on VIN: WAUHE5445M Code 2324 is a mystery to us. We have checked the blinks and are pretty sure that is what it is, but it is not in any of our information. We are using Alldata and the Bentley factory manual. When we connect the terminals to start the blink codes it gives a 232... Trouble codes: 2324	View
	2001 BMW X5 4.4i 4.4L Mechanical VIN: WBAFB33541 Rap! We are doing a valley pan replacement. With things apart it became obvious the valve cover gaskets, with a front upper cover reseal, needed to be done. This is a job we have done many times. When completed we have a rap which seems to be lower end on the ...	View
	1999 Buick Century Custom 3.1L Starter VIN: 2G4WS52M0X I have a great one, This car came in with a no start condition. There was no power at the purple wire at the starter. I traced it down to the wiring harness at the battery was all eaten, and repaired the wires, and someone before me has put in a used ecm. now ...	View
	2000 Chevrolet Express 3500 6.5L No Start, Poor Idle Quality VIN: 1GBJG31F9Y Let me start by saying I am not a diesel man, this belongs to one of my regular customers and I am trying to help them out. Vehicle was towed in with crank no start condition. Found fuel present at the Schrader valve close to pump. Pressure was at 8 psi. Opene...	View
	2003 Chevrolet Impala 3.4L rear defogger VIN: 2G1WF52E93 Customer complaint is rear defogger inop. Also, when rear defogger is turned on radio has bad reception. This car has the antenna integrated into the back glass along with the rear defogger. I tested the grid with a test light, it does power it up on some of t...	View
	2005 Chevrolet Silverado 1500 LS 5.3L hub VIN: 2GCEK13T05 Hello Everyone, This truck came to me after many repairs and an on going problem. First the lf hub was replaced because of defective bearing. Within only a few miles bearing was bad again. Hub was replaced again. soon was bad. Throughout the process the owner...	View
	2005 Chevrolet Trailblazer LS 4.2L A/C Compresspor VIN: 1GNDS13S05 A/C blows cold when it's working which will last 15-30 minutes then the compressor disengages. Jumped the low pressure switch and the compressor engages. Checked continuity from pcm to high side switch, fuse, and relay. Everything checks out. Reassemble the a/...	View
	2006 Chevrolet Silverado 1500 Hybrid 5.3L Hydraboost VIN: 1GCEC19T76 This vehicle makes a very high pitched noise at the hydra booster when the steering wheel is turned full stop in either direction and slightly released. The noise quits any time the brake pedal is pressed. I have read about lots of complaints about noise when ...	View
	2006 Chevrolet Silverado 2500 HD WT 6.0L long start VIN: 1GCHC29U56 Thanks in advance for anyone who takes the time to read and/or offer any assisstance on this problem. Truck came in from another shop with a long start on hot soak. It has never acted up on a cold start with me or the customer. We have experienced a normal cra... Trouble codes: P0622, P1637	View
	2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Hesitation, Cel VIN: 1GCHK23D57 Hello All, Recently replaced a Turbo on a 6.6L for P2563, P003A (turbo vane position). After replacement we have an intermittent P0299 (underboost) code. It appears to be on initial drive, engine not to full temp, will act like a bit of a dog on first pedal ... Trouble codes: P0299 (Turbo Underboost)	View
	2009 Chevrolet Silverado 1500 LT 5.3L False message on IPC VIN: 3GCEC23J39 While driving normally will suddenly get a message on the IPC "Engine HOT/AC turned OFF", but engine performance is NOT effected. Fans ramp up to MAX speed. AFM is disabled(won't run on 4 cylinder at highway speed). Coolant temp gauge drops to COLD(160F) from ...	View
	2010 Chevrolet Equinox LS 2.4L Hesitation, Stall, only when ice cold VIN: 2CNFLCEW0A Our customer brought this car stating only when cold, the Chevy Equinox has a miss when cold, and has very little power. Also, sometimes when cold it will stall while idling. There is a tSB for a pcm reflash (I cant remember the number right now, sorry). So I ... Trouble codes: P0690, P2119 (throttle closed position performance)	View
	2005 Dodge Grand Caravan SXT 3.8L MIL Lamp on VIN: 2D4GP44L05 has any one seen this before? Trouble codes: B0010	View
	2007 Dodge Ram 3500 SLT 5.9L MIL Lamp on VIN: 3D7MX49C87 These Cummins are kicking my ass. This one came in with a current code of P0148 and memory codes P1223 and P0251.(see code descriptions below) Road testing showed a recurring glow plug light and chime at cruise. I cleared the codes, and the glow plug light and... Trouble codes: P1223, P0251, P0148	View
	1978 Ford F800 3116CC Booster 2nd post this month(Not good)Working on F800,Cat diesel with vacuum pump and reserve can.Single resevor master cylinder.Problem is that when peddle in pushed hard under full vacuum peddle will lock at top of stroke.When appied slowly peddle travel normal so ba...	View
	1994 Ford Ranger STX 4.0L MIL Lamp on VIN: 1FTDR15X2R Vehicle came in with complaint that the MIL would come on when driving the vehicle on the freeway or under hard load with the engine at temp. Drove the vehicle and verified. Hooked up snappy scanner to check codes before I shut the engine off. Found I had to r...	View
	2003 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP55UX3 Customer asked me to replace the cam sensor and clear the check engine, so I did. I took it for a test drive and the light came on. The customer said he had the synchronizer aligned at another shop. I checked the alignment using the tool and it looked ok, but ... Trouble codes: P1336	View
	2004 Ford Explorer Eddie Bauer 4.0L No power VIN: 1FMDU74K14 Truck came in from local used car lot for service. Took on a test drive and didnt make it one mile had to be towed back in.check fuel presure and was 30 to 28 psi replace the fuel pump . Same thing no power and 30t028 psi on fuel pressure. Replace fuel driver ...	View
	2005 Ford Freestar SEL 4.2L Steering VIN: 2FMDA52215 this car was brought to my shop with a complanint of a noise when turning the wheel left or right 10deg it is a odd noise the best explan of it is like a pop (first sounded like springs popping couldn't feel the noise but deceided to check his work disassemble...	View
	2007 Ford F-150 XLT 5.4L low engine power VIN: 1FTPW14V37 hello to all members hope all is good for everyone, my problem with this ford f150 5.4 motor came in for low power and sometimes a knocking noise, only heard the knock noise a couple times, has no codes at all when you drive it the warmer it gets the worse it ...	View
	2006 GMC Sierra 2500 HD SLT 6.0L fuel gauge VIN: 1GTHK23U76 fuel gauge inop. empty + low fuel light on.code po 463 fuel level sensor open.does work with scanner doing a sweep. disconnected connecter at sender and jumper sig. to ref. wires cleared code. still reading empty. signal wire reads 5 volts.ref.wire strong grou...	View
	2003 Honda Accord EX 2.4L control unit VIN: JHMCM56703 This Honda came in the other day with a complaint that the AC would cut out intermittently while driving. When I got the car to work on, the AC would not work at all. This car has factory navigation with the touch screen for controlling the climate control, an...	View
	2006 Hummer H3 3.5L cylinder head VIN: 5GTDN13666 I need to ask...should I sell a timing chain if doing a cylinder head on this unit? The head needs valve seats/valve job, and there is a procedure for removal without removing the front cover. My customer is hemming and hawing about whether or not to spend thi...	View
	2003 Hyundai Tiburon GT 2.7L transmission VIN: KMHHN65F33 shifter will move up and down... not side to side... trans has two shifter cables... took off cable that goes side to side from trans and found trans link not moving... its stuck ... has anybody been able to fix this problem with out pulling trans and cracking...	View
	2012 Hyundai Sonata GLS 2.4L MIL Lamp on VIN: 5NPEB4AC7C Used car lot vehicle with a restricted warranty. At some time a used engine has been installed. Just came from the dealer where they replaced the exhaust cam CVVT sprocket for this P0014 code. The code resets and the light comes on after several test drives. W... Trouble codes: P0014 (Exhaust cam over advanced)	View
	2002 Jaguar S-Type 3.0L Wiring Harness VIN: SAJDA01N92 The tsb [...] has a description on using the code on the wires to splice into the vehicle's existing wires but it does not match the one that jaguar sent us	View
	2004 Jeep Grand Cherokee Overland 4.7L ride control VIN: 1J8GW68J24 sounds like a scraping brake noise but brakes not on. just driving down the street it comes in then disappears for short time. hear it dead center of the jeep just under dash at radio location can't repeat the noise on lift.	View
	2004 Jeep Grand Cherokee Laredo 4.7L No Start, MIL Lamp on, no crank VIN: 1J4GX48N44 interment no start/no crank. I was able to start and drive into shop. Retrived the code P1698-NO BUS MESSAGE FROM TCM checked power to tcm pins 11 and 56 12.6 volts and checked grounds at tcm pins 53 and 57 good,voltage at pin 8 is 200 mv.,i replaced tcm and ... Trouble codes: 1698 (P1698-no bus message from tcm)	View
	2004 Mazda RX-8 1.3L engine VIN: JM1FE17N44 We got this car from the auction with wiring problems. We repaired the wiring and replaced the broken radiator. Now when the car is cold it runs fine and has power. But when it warms up it starts loosing power and wont idle, also is very hard to start when hot...	View
	1976 Mercedes-Benz 280S 2.8L No Start, no spark We have no spark. Have checked voltages to coil and it is 6 volts while cranking. I checked ground at the switch gear and with key off I have grounds on the harness side of the switchgear at 3 of the 4 points. I have no ground at TD, which I believe goes to fu...	View
	1999 Mercedes-Benz C230 Kompressor 2.3L Misfire, MIL Lamp on VIN: WDBHA24G4X recurring Code is P0302, Cylinder #2 misfire, replaced spark plugs, cylinder #2 misfire, swapped coils misfire still #2, swapped injectors. Misfire still #2. Compression test all cylinders at 150 PSI. Cleaned MAF no change. Disconnected MAF drove approx. 12 mi... Trouble codes: P0302 (Cylinder 2 misfire)	View
	2004 Mercedes-Benz C240 2.6L cooling fans VIN: WDBRF81J04 Warning messgae "coolant visit workshop" Code P2073 "Electric Suction fan for engine or air conditioning" stored and resets immediately after starting vehicle. Vehicle when started after 5-10 minutes fans turn on to 90% Fans can be controlled via scan tool sof...	View
	2001 Nissan Sentra GXE 1.8L Hesitation, Cuts out, Stall VIN: 3N1CB51D41 Hello Everyone, This Sentra is giving us real fits. Intermittently when idling it will stall. Stalls without any rpm fluctuations almost like the ignition switch is turned off. All dash lights stay on and the scan tool continues to communicate when it stalls. ...	View
	2000 Pontiac Sunfire SE 2.2L temperature VIN: 1G2JB1243Y Hot bottle wont hold pressure,car will run great all day then when freeway driven temp slowly rises to 212 then keeps rising after 10 miles...brand new radiator,waterpump,t-stat... ...I havnt let the new used engine go above 225 & Its been test driven 300 mil...	View
	2009 Saturn Vue XE 2.4L heater core VIN: 3GSCL33P79 I am trying to replace the heater core on this Vue and I cannot get th instrument panel out.I have done all the dissassembly per Alldata, removed all the nuts and bolts that are supposed to be removed. The panel feels loose but will not pull away from the fire...	View
	1994 Toyota Supra Twin Turbo 3.0L No Start, No Comm W ECU VIN: JT2JA82J0R Tried to communicate with scan tool, no comm through either port, checked all underhood fuses and inj relays, all ok, checked for power at fuel pump control unit-ok, manually powered fuel pump with power probe-works fine, tried to check for power and ground to...	View
	1996 Toyota Corolla 1.6L Hesitation, no power in gear VIN: 2T1BA01E2T car has no power if you put it in gear to go up the road.just bogs if you stop put in park it seems to rev up fine. some times it will run real bad and will set missfire codes for all cylinders.other times no codes will set at all. ohm test ign coil,and crank ... Trouble codes: P0300	View
	2004 Toyota Camry XLE 2.4L MIL Lamp on VIN: 4T1BE32K04 This car has been a pain, hopefully someone can offer some help. p0446 is the only code that sets. canister with valve is new from dealer, fuel cap new from dealer, valve at air cleaner box new from dealer. I have smoked tested this thing more times than I car... Trouble codes: P0446	View
	2004 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K14 The car exhibits a loss of throttle response erratically and without consistency. The fuses, alternator and all supply voltage readings are within spec. The circuits were individually loaded and tested for voltage drops with no concerning findings. The last... Trouble codes: P2118	View
	2000 Volvo S80 2.9 2.9L No Start VIN: YV1TS94D0Y Vehicle was towed in for a no start. Customer says if the battery is disconnected and reconnected the vehicle will start. Right off I noticed no CEL. Attempted to scan with VIDA. No communication with ECM. Attempted with pocket scanner. No communication with E...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Audi A6 2.8L MIL Lamp on VIN: WAUBA34B7X Ok we figured it out!! thanks for all the tips we reinspected the timing chain and found 16 pins between cam timing mark which is spec, so we moved on to the camshaft adjustment solenoid and checked resistance spec is 10 to 18 ohms ours was 13 so we finally fo... Trouble codes: P1392.	5
	2009 BMW 328i xDrive 3.0L Clutch VIN: WBAPK53579 Thanks to all who replied to my post. BMW missed the mark when they installed the slave cylinder at the factory. The push rod on the end of the slave was out of the indentation at the release bearing arm and in a hole next to it. Over time, the plastic tip wor...	3
	2009 BMW 328i xDrive 3.0L Unknown VIN: WBAPK53589 Thanks to all for the help- even though this model does not use a plastic pan it is the cause of the leak. pan replacement corrected the concern. Thanks again! Greg and Crew	13
	2002 Cadillac DeVille 4.6L Tcc VIN: 1G6KD54Y52 replaced the tcc solenoid and it's fixed. thanks to all that took time to respond. as i mentioned in my post i had checked the solenoid, but i went back and energized the circuit with an amp meter and left it for a long time. after a few min the amperage sta...	7
	2006 Chevrolet Malibu SS 3.9L MIL Lamp on VIN: 1G1ZW63156 ok everybody there was one of those alcohol things that you have to blow into installed and removed on this vehicle. So I traced the purple wire from the ecm to a cut wire behind the headlight. Tadd from Indiana made it very easy. I checked the voltage by the ... Trouble codes: P0463.	5
	2009 Chevrolet Silverado 1500 LS 4.8L calipiers VIN: 3GCEC13CX9 First I would like to thank all for posting. I was unable to get the truck to fail again and driver needed his vehicle back. I did explain to him what I wanted him to do if the problem reoccured to help in future diagnoses. I inspected vacuum booster and maste...	20
	2000 Dodge Dakota SLT 4.7L Poor Idle Quality, Stall, MIL Lamp on, No start when hot VIN: 1B7GL2AN7Y The fuel pump was the issue on this vehicle. After the engine reached operating temperature and was shut off the fuel pressure was dodgy on re-start. After cool down - no problem. New fuel pump fixed this issue. Trouble codes: P0171.	6
	2004 Dodge Durango SLT 5.7L Starter VIN: 1D4HB48D04 Thanks for all your help the PCM was receiving signal from neutral safety switch but was not processing to ground starter relay replaced PCM fix my problem PCM was a plug and play thanks again	11
	2007 Dodge Grand Caravan SE 3.3L Starting VIN: 1D4GP24R27 Thanks so much.It was the 5 volt feed shorted to siginal wire at the egr valve harness.About 6 in from connector. It also shorted out the egr valve. After fixing shorted wires it started but ran real bad. When the egr was pluged in it would draw the 5 volts do...	6
	2008 Dodge Grand Caravan SXT 3.8L Fluid out vent cap VIN: 1D8HN54P18 Trans rebuilder has sent me another trans they didn't want me to tear it apart but I told them to let me know what they find for future refrence	7
	1997 Ford Mustang 3.8L gauges VIN: 1FALP4043V I believe, with a little hesitation, that this thing is fixed. I'm not really sure what I did to repair this. The cluster was sent back to me, they did'nt find any problems. I tightened all pins at the harness connector, I found some wiring at the ignition swi...	4
	2007 Ford Edge SEL 3.5L all gears VIN: 2FMDK38C07 thanks for all the help found that the shifter tap was cracked not holding all way in gear at time even thow the scan tool said it was in gear it was not all way in gear	4
	1996 Jeep Grand Cherokee Laredo 4.0L Emissions/ exhaust VIN: 1J4FX58SXT Replaced upstream and downstream O2 sensors with NTK O2 sensors upstream part # OXY 75-1717 downstream part # OXY 75-4320	10
	2003 Jeep Liberty Sport 3.7L Oil Pressure VIN: 1J4GL48K83 Ended up sending to dealer for a second opinion. Dealer replaced pick up and flushed engine. Helped but still has oil light after longer periods of driving.	4
	2003 Jeep Liberty Limited 3.7L MIL Lamp on, coolant loss VIN: 1J4GL58K63 Thanks to Mike, Jared, and Donnie for telling me what I really wanted to know whether coolant went through the plastic intake manifold. That is what I was hoping to find. Thanks to James from Michigan talking about the leak down test and looking for bubbles in... Trouble codes: P0302, P0303, P0304, P0305.	8
	2001 Kia Optima SE 2.4L belt, charging VIN: KNAGD12671 OEM Alternator fixed the issue. Comparing the OEM pulley to the bosch and delco alt proved a major difference between aftermarket and oem pulley's.	9
	2011 Kia Sedona LX 3.5L shift interlock VIN: KNDMG4C73B This one tried to kick my butt..turns out the connector that connects the shift solenoid had a bad connection on the ground side[yellow wire]. I noted that both the orange and yellow wires had voltage when plugged in. Unplugged, only the orange wire had voltag...	6
	1997 Mercedes-Benz SL600 6.0L Electronic VIN: WDBFA76F8V Codes PO715 and PO720 were fixed by replacing the RPM sensor circuit board, filter, MBZ ATF, pan gasket and Plug and o-rings.We replaced the trans module because our scanner could not communicate with it. Had my local MBZ guru flash the trans module to the car...	9
	2004 Nissan Altima SE 3.5L No Start VIN: 1N4BL11D24 Well, sorry for the delay in closing this one but we actually sent this car to a local shop that is very good at these types of jobs. Unfortunately, he was not able to pinpoint what it took to correct the fault. For some reason it just stopped doing what it ha...	10
	1999 Porsche 911 Carrera 3.4L calibration VIN: WP0CA2998X First,thank you all for the info.I got in touch with a tool supplier i deal with who happens to be a Autologic dealer.He has a demo unit that he was kind enough to loan me,this thing is sweet and expensive!We have found that the left side flap micro switch is ...	8
	2006 Porsche Cayenne S 4.5L Accleration VIN: WP1AB29P16 Ok here is where we stand. We took valve body out and split it apart and cleaned ever part and solenoid. It appears ok. we put valve body back in and changed fluid and gasket and filter, test drove and it is still doing it! Hard down shift violent. We are orde...	7
	2007 Saturn Ion-3 2.2L MIL Lamp on VIN: 1G8AL55F87 After checking wires and connectors, Replacing the ECM took care of this one, thanks to evryone that reply..	4
	2008 Saturn Vue XE 2.4L MIL Lamp on VIN: 3GSCL33P08 Thanks to all for your help. I checked voltage at r/w wire at UBEC and it was very low so it most likely needs a UBEC. customer declined repairs. Thanks again Roland Trouble codes: P0449 (Evap vent solenoid control circuit fault).	15
	1996 Subaru Legacy Outback 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4S3BG6851T OK... Here goes. The mechanic (not me) thought the 1999 heads were like the 1996 heads. The earlier heads have no puocks or shims. The later heads do. When we got the heads back from the machine shop SOMEONE shold have doble checked valve clearences... But the...	11
	1999 Toyota Camry CE 2.2L Air Bag VIN: 4T1BG28K9X We did not repair this vehicle. We removed drivers seat, found no evidence off chafed_pinched wires. Inspected side air bag sensor in door pillar_looked OK. No evidence of spillage in center console area. New parts were extremely expensive_used ones not availa...	5
	1999 Toyota Camry CE 2.2L Poor Idle Quality VIN: 4T1BG22K7X Thanks for all the great help. TPS voltage is correct at 10% idle. The iac on this is coolant controlled to a point. Temp affects a bimetal spring in the iac that puts a resistance on the electronic action. This car was fine cold and reved higher as it warmed ...	16
	1999 Toyota Camry CE 2.2L Mechanical VIN: 4T1BG22K5X Crankshaft timing gear fixed it! Thank you all for your helpful advice. We did disconnect the alarm to no avail. The scope patterd DID look a little different at the refernce point, so I removed the crank timing gear and found one tooth missing, right next to ...	22
	2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K71 Frank from georgia was right. Thanks Frank. We replaced the injectors with a updated version that looked completely different and the fuel trims went back down to normal. It was crazy that the car ran perfect and had no power loss. But you are always learning ... Trouble codes: P0171.	13
	2008 Toyota Sequoia SR5 5.7L MIL Lamp on VIN: 5TDZY64A28 Two of my customers verified that Toyota repaired their vehicle at no charge, looks like they did the pumps, solonoids and modifications. I built a document for future reference so when the trucks go past the 150,000 miles I will know what we need to do.Use th... Trouble codes: P2443 (Secondary air injection valve stuck closed).	6
	2001 Volkswagen Beetle GLX 1.8L Red Brake Warning Lamp VIN: 3VWDD21C31 Thanks a million to all the input, hit the nail on the head fuse #5 blown causing brake lamp on, replaced & light works properly, jus gotta verify what popped the fuse. Thanks t0 all once again.	7
	2007 Volkswagen Passat 2.0T 2.0L MIL Lamp on VIN: WVWAK73C17 Hi Group This one is fixed. The fault was caused by low oil pressure to the camshaft adjuster which was caused by a plugged filter screen at the oil passage on the timing chain cover.I first proved the fault wasn't caused by the N205 valve by manually o... Trouble codes: P0011 (Intake Camshaft Retard Setpoint not reached over advanced), P000A.	17
	2008 Volkswagen Golf City 2.0L Specifications VIN: 9BWEL21JX8 Thanks for the replies to my post, I appreciate the help. I just wasn't sure if this car used the same setup. Camber is out a bit on the right rear and front toe needs a tweak.	4

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