Automotive Technicians Technical Discussion and Fixes for Sep 27, 2012

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2001 Audi A6 Quattro Avant 2.8L Radio VIN: WAULH64B21 Hello all, Customer came to us asking if we can unlock the radio.The vin # is [...]. I have called my local Audi dealer and they jerked me around. If anybody out there could look up the info I would gr...	View
	1997 BMW 840Ci 4.4L Radio inop. VIN: WBAEF8321V Can't get radio to come on. Someone replaced radio with a newer BMW Blaupunkt radio.Battery was dead in car and had to be replaced. The word CODE came out. We called dealer with the serial number from the radio. The dealer gives us a 5 digit code. This particu...	View
	1998 BMW 750iL 5.4L MIL Lamp on VIN: WBAGK2325W Car came in with p1470 code for leak detection pump circuit electrical. Found broken wires in Left rear wheel well.l.(appearantly very common for wires to rub through in this area. repaired wires and found 12 volts at red/yellow power wire as well as 12 volts ... Trouble codes: P1470	View
	2007 BMW 328xi 3.0L Rear Defrost VIN: WBAWC33537 Vehicle came to me from body shop for rear defrost not working. Car had a rear collision, rear glass and bumper replaced. I have power and ground to rear glass but elements will not heat up and clear glass. I am getting a code from the JBE Junction Box "A6C8 r...	View
	1990 Buick Regal Limited 3.1L No Start, Stall VIN: 2G4WD14T4L We have a 90 buick regal with a 3.1L that was brought in for a no start/stalling condition. After some testing, we see that it has good spark, crank signal and fuel pressure. When cranking, the engine seems like it's trying to start but something is lacking. W...	View
	2007 Cadillac Escalade 6.2L MIL Lamp on, service stabilitrak VIN: 1GYFK638X7 This vehicle came in for a service stabilitrak message in the display center. further testing found code p0011 cmp performance. when this codes sets it disables the stabilitrak. Using tech 2 scanner I was able to see that the desired cmp angle and actual cmp a... Trouble codes: P0011	View
	2000 Chevrolet Cavalier 2.2L Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G1JC124XY Car misfires on cylinders 2 and 3 just off idle up to around 1200 rpm.Will only do it in drive,not reverse,park or neutral.The PCM controls both ignition coils.When I scope the control wire for #2 and #3 coil the signal has a major glitch in it.The scope patte... Trouble codes: P0300	View
	2004 Chevrolet Silverado 1500 5.3L A/C Compressor VIN: 2GCEK19T54 This is my vehicle. I know the compressor is suppose to engage when you put the defroster on, but it's not suppose to engage when I have the vent on and push on the recirculation button unless I also put on the A/C button. I replaced the HVAC control moduale w...	View
	2006 Chevrolet Silverado 2500 HD LT 6.6L fuel prime VIN: 1GCHK23D86 this truck came in on a tow truck I check the fuel filter housing bleeder to se if there was fuel there there was not any I pumped the primer pump a few times and got plenty of fuel. I then reinstalled the bleeder and the truck started right up. Why would this...	View
	2001 Chrysler PT Cruiser 2.4L No Start VIN: 3C8FY4BB31 One for you Iacocca guys. Got this 01' PT Cruiser California emissions. Customer stated that it was running fine then just wouldn't start. When I went in with my DRB3 I had no communication with PCM only, all other modules communicate and give data. Here's the...	View
	2004 Dodge Ram 2500 ST 5.7L Battery Draw VIN: 3D7KU26D54 Thanks for all the help I'm about to get. This truck came in and customer complaint was "After vehicle sets for a few days the battery is dead and has to be recharged or jump started". We started at the basics and hooked an Amp meter on ground side of battery ...	View
	2005 Dodge Ram 3500 SLT 5.9L Poor Idle Quality, Surge, Stall VIN: 3D7MR48C25 Hello, this truck starts well but after a few minutes of idling the rail pressure starts to drop. As the pressure gets lower it develops a surging idle along with heavy black smoke. At about 2200 psi the engine dies. The set pressure at cold start up is displa... Trouble codes: P0251 (CP3 Pump Regulator Control)	View
	2008 Dodge Ram 2500 SLT 6.7L Surge, MIL Lamp on VIN: 3D7KS28A08 This customer says the truck will intermittently go into limp mode with loss of power and poor idle. Replaced APPS sensor[pedal assy] and re-scanned. Went for 10 mile test drive and all seemed good until 4 miles from shop. The CEL came on and throttle light st... Trouble codes: P2121, P2122	View
	2000 Ford Ranger XL 3.0L Misfire, P0305 VIN: 1FTZR15V1Y we have a cyl 5 miss fire did leak down test tested good replaced injectors plugs wires coil noid tested the injectores passed good spark where to go from here Trouble codes: P0305 (cyl 5 misfire)	View
	2001 Ford E-350 Econoline Club Wagon XLT 7.3L Hesitation, No Power This Van is driving us crazy, Had a driveability problem a month or so ago. We diagnosed 3 bad fuel injectors, Ran fine till now, After it gets hot, looses power bad & sets 2 codes But they are trans codes P0731 & P0732 for gear ratio errors. The vehicle acts ... Trouble codes: P0731 (incorrect gear ratio 1st gear), P0732 (incorrect gear ratio 2nd gear)	View
	2001 Ford Escort ZX2 2.0L exhaust Camshaft VIN: 3FAFP113X1 I never seen this before. The exhaust camshaft broke in half. Does anyone know where to get one? Ford said obsolete. Any ideas will be helpfull. Thanks	View
	2001 Ford Ranger XLT 4.0L No Start VIN: 1FTZR15E71 Towed to us as a no start- customer installed fuel pump and battery then gave up. Truck cranks- has 58 psi fuel pressure-little low. Good spark and NO INJECTOR PULSE. Truck has NO THEFT codes and light is not flashing fast. Checked power and ground to PCM, rem... Trouble codes: B1318, B1483, P1816, B1359, P0500	View
	2002 Ford F-250 Super Duty Lariat 7.3L Fuel VIN: 1FTNW20F52 We have 2002 ford f-250 with 7.3l and having problem when filling up fuel it takes a long time.	View
	2005 Ford F-350 Super Duty XL 6.8L No Start, Stall, Misfire VIN: 1FDSF35Y35 This problem is very intermittent. Customer will be driving at 55 mph and will stall. Sometime after a hot soak it will fail to start. We found water intrusion into fuse box inside vehicle had windshield resealed and problem reoccurs. Mode six date shows a mis... Trouble codes: P0300	View
	2006 Ford F-350 Super Duty XLT 6.0L Low on power VIN: 1FTWF31P86 I have a 06 F350 6.0L that is down on power. Most noticeable when towing his trailer. I have to say that I haven't worked on the 6.oL very often and that is why I,m asking for help here. There are no codes in the pcm. Watching the boost pressure on my Solus it...	View
	2006 Ford F-350 Super Duty XLT 6.0L low power when cold VIN: 1FTWW31P46 Thanks for reading about my latest issue. I have one that came in for a low power and misfire when cold. The truck has to be driven about 10 minutes and then it will clear up and run nearly perfect. After about 1 hour of sitting it will start all over again. A... Trouble codes: P0671	View
	1990 Geo Metro LSi 1.0L Excessive Emissions, Poor Fuel Economy VIN: 2C1MR2466L I have this metro at my shop and it is running constantly around 10% CO and after having looked at it. It seems that the throttle body hoses stay cold which in turn doesn't let the coolant temp sensor get up to temperature. So while the gauge in the dash says ...	View
	1996 GMC Sonoma SLE 2.2L battery and alternator VIN: 1GTCS1943T Costumer complaint battery drains down in three or four days and the batt light came on,ok change alt but have batt drain .224 amps lights a #1616 bulb 1/2 way mil not on,pulled all fuses left of dash no changes,wheres a good place to go from here.Thanks in ad...	View
	2008 Honda Accord LX 2.4L rear pads VIN: JHMCP26418 Good long time customer. Came to me stating rear brake noise. Sometimes grinding. Could not verify, and rear pads down to about 30%. Since he was certain there was a brake noise in back, I decided to take the pads out for a look. They have been replaced before...	View
	2004 Hyundai XG350 3.5L Poor Idle Quality, Misfire VIN: KMHFU45E84 04 hyundai xg 350l keeps setting a p0305 cylinder 5 misfire code. Has rough idle and fills like it has a dead misfire at idle only, runs good off idle and nice and smooth when driving. You can kill each cylinder and have the same rpm drop on all cylinders. We ... Trouble codes: P0305 (Cylinder 5 misfire)	View
	2002 Jaguar S-Type 4.0L radio VIN: SAJDA03P62 radio stays on unless it is turned off with switch battery dies only happens every few weeks may last a day or a week	View
	2004 Jaguar X-Type 3.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: SAJEA51C34 at 3000 rpm car acts like rev limiter kicking in. looked for vac leaks and checked fuel presure.Don't see any thing on scanner. Trouble codes: P0300 (p0301-), P0301 (p1313-), P1313	View
	1994 Jeep Wrangler S 2.5L No Start VIN: 1J4FY19P0R Hello and thank you in advanced This one is tricky My friend brought this jeep new been sitting for the past several years driving on occasion first stopped starting had to spray gum cutter into throttle body than truck would run (fuel pump Prime) he did that ...	View
	2004 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Hesitation, Stall VIN: 1J4GW58N84 this jeep has a bad miss have check compression crank and can sensors pcm has been replaced and reflashed with latest version engine actually melted #7 coil checked wires to pcm no issues there Trouble codes: P0307	View
	2006 Jeep Liberty Sport 3.7L esp VIN: 1J4GL48K76 abs esp lamp flash...with star mobile conected can see pcm drop out for a split second. codes u0101 stored in abs, loss of com with tcm. code u0002 can c off stored in tcm. this is a very intermittant fault and not exactually sure where i should be goine here....	View
	2004 Lincoln Aviator 4.6L Monitors VIN: 5LMEU88H44 Customer went to emission center 8 times . Monitors not ready we received suv and drove suv engine light came on for baro sensor code replace egr assembly drove for monitors . Monitors will not run . No codes returned coolant temp 195 f drove on highway and st...	View
	2004 Mazda 6 i 2.3L Hesitation, Surge, MIL Lamp on VIN: 1YVFP80C94 Have this Mazda here keeps throwing a p0340, it has been at another shop that installed a new cmp but still not good. Car will start and idle but doesn't like to accelerate, when you step on the gas it will surge and stumble, sometimes will stall. If you hold ... Trouble codes: P0340	View
	2006 Mercury Mariner Luxury 3.0L interior lights VIN: 4M2CU57176 Hi to all the Ford techs out there. This Mariner presented with no interior light operation and no cluster lights. Customer has been driving the car for about 6 months this way. Body module has 2 codes B1316, Battery Saver Relay coil circuit shorted to ground ...	View
	1998 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D2W Thanks in advance for your help. Vehicle has engine lamp come on for p0133 and when i look at freeze frame the vehicle shows p0153. Modis has Nissan adapter reading code #po133 and OBDII adapter reading #p0153. The o2's look good and somtimes lamp will turn of... Trouble codes: P0133 (B1s1 02 slow), P0153 (B2s1 o2 slow)	View
	2002 Pontiac Montana 3.4L engine VIN: 1GMDX03E12 van was towed in for a no start has good fuel pressure and spark but no injector pulse thought it was in passlock but no security light on	View
	1977 Porsche 911 S 2.7L injectors VIN: 9117201516 I am playing with one of these right now and requested info on the system from AllData's archieves. The main thing this car does is multiple backfires. The air box was blown apart and i installed a new backfire valve. Now the air box has blown off the intake ...	View
	2004 Saturn Vue Red Line 3.5L Differential grinds VIN: 5GZCZ63484 Hi there and thanks for the help with this one. I have the all wheel drive V6 Vue in that all of a sudden started making some really nasty grinding noise from the rear end like sheared off splines. THe car was towed in. It will not hold itself in park. The car...	View
	2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29682 Thank you all for your help I have a WRX that missfires all the time, especially at idle. The check engine light flashes and the two codes are P303B, and P304. The customer has replaced the spark plugs already with some that he bought at the dealership. They... Trouble codes: P303B, P0304	View
	2003 Toyota 4Runner SR5 4.0L MIL Lamp on VIN: JTEBU14RX3 Hi Guys Have this toyota 4 runner in my bay. customer states that he has been having this problem for about a year now. When these codes first set,another shop installed after market AF sensors. When the codes returned a few months later he took the vehicle t... Trouble codes: P0174, P2238, P2241	View
	2005 Toyota Camry 2.4L Clutch Master Cylinder VIN: JTDBE32K25 Thanks for you help in advance. This vehicle had clutch kit, slave, master and accumulater replaced 3 yrs ago. All Toyota parts except for clutch set and master cylider. Approx. 1 year ago I replaced master due to non returing pedal. Problem was fixed untill 3...	View
	2007 Toyota Matrix XR 1.8L steering wheel VIN: 2T1KR32E07 Hello all, I am changing the clock spring on this matrix. Sounds like a simple job. I pulled the steering wheel pad, pulled the nut off the steering shaft, got my puller out that I have pulled many off with. I cranked and cranked on it and its not moving a bit...	View
	1992 Volkswagen EuroVan CV 2.5L Coolant Light VIN: WV2PC0707N Good Morning, This EuroVan is a grey market vehicle from Canada that I have had a difficult time finding info for. The coolant light will start to flash after 2-3 minutes from a cold start, or sometimes not until after a 25 mile drive. The engine is not overhe...	View
	1995 Volkswagen Cabrio 2.0L Poor Idle Quality, Cuts out, Stall VIN: WVWBB81E8S need a little help from some vw techs this car acts like it has a trans problem it hesitates when put in gear and stalls engine when it grabs and idles bad but when u get it moving it runs great and will idle in gear at stops hope some one can help thanks john	View
	1998 Volkswagen Jetta GLX 2.8L clutch VIN: 3VWTD81H1W Spider gear pin came loose, hit case and put hole in bell housing causing major oil leak. Had case welded. Put back together and clutch doesn't want to engage completely and slips. Pulled trans second time. Throw out is ruined, but hydraulics all seem to be ok...	View
	2000 Volkswagen Beetle GLS 1.8L cooling fans VIN: 3VWCD21C7Y There is a fuse panel above the battery that contains a 30 amp blade fuse for the fans on this car, We have several of these we fight with this same issue of melting the fuse periodically. Does anyone have experince with a concrete repair for this issue on 199...	View
	2006 Volkswagen Jetta 2.5 2.5L Wiring VIN: 3VWSG71K56 This VW came in with considerable front end damage, unfortunatly the wrecker driver did not bring everything from the accident scene. It has a plastic radiator support, the condenser and rad were ripped out of the car breaking all the wiring to the front of th...	View
	2000 Volvo V70 X/C AWD 2.4L Cuts out, Stall VIN: YV1LZ56D0Y need a little direction on this volvo. it is a turbo model, and this is what it does: if you give it a little gas while driving and then let your foot off the gas pedal (like goosin' it to pass another car) the rpm's drop quickly and the car stalls. you can be...	View
	2001 Volvo V70 X/C 2.4L performance VIN: YV1SZ58D01 I have this Volvo V70xc that will not build boost from the turbo. Customer brought the car to me checked for code and found P1237. Replaced turbo control valve at air cleaner. Cleared code and road test showed no improvement. Have checked to be sure turbo is n...	View
	2002 Volvo V70 X/C 2.4L abs VIN: YV1SZ58D72 help volvo techs this v70 came in with no pressure to lr caliper fellow tech replaced both calipers and hoses rr has good pressure none to lr to line loose at abs no pressure from fron unit thinking bad abs hydralic unit but would like you guys input first no ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 BMW 325i 2.5L Electrical VIN: WBAEV33424 Performed master key replacement as per sugestions and that seemed to have fixed customers problem so far we hare hoding vehicle over for several more starts just to make sure but so far so good thanks to everyone for the help.	6
	2007 BMW 328i 3.0L MIL Lamp on VIN: WBAVA37507 I also found I hade Trans Code CF1C that would not clear. I found TSB sib 240907 which said to run a test plan and perform a CAN LEARNING FUNCTION. I sent the car to a friends shop , and he performed TSB , which fixed the problem. Trouble codes: 2F80, U0100.	3
	1988 Cadillac Eldorado 4.5L A/C Clutch VIN: 1G6EL1156J Thanks for all the replies, this vehicle has been gone for 2 weeks now with no problems. The problem seems to have been the low pressure switch. We had replaced it with a new one ( GM OEM) and it was cycling the compressor at about 25 psi. After some research ...	23
	1992 Chevrolet Astro CL 4.3L Hesitation VIN: 1GNDM15Z3N hose on fuel pump inside tank wassplit causing pressure to bleed back to the tank. replaced hose and newfuel pump will inside tank . vehicle is running fine customer came by today for other minor repairs and still doing great. Trouble codes: 33 (map sensor signal voltage high vacume low).	15
	1999 Chevrolet Tracker 1.6L Speedometer VIN: 2CNBJ1862X Sorry for the delayed post. I was waiting to hear back from the customer. It appears the only way to correct the issue is with an aftermarket adapter. At this time, the customer has decided to use a GPS unit to verify their correct speed. Thank you both for yo...	2
	2002 Chevrolet S10 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCCS19W82 After going a few more rounds with this truck I did a runing compression test and found at times the compression was good and others it would only hit 60psi. air tested cylinder # 1 and found the intake valve leaking. In the process of having the head repaired... Trouble codes: P0300 (Random Misfire).	39
	2008 Chevrolet Silverado 1500 WT 4.8L transmission VIN: 3GCEC13C08 Thanks.. took to transmission shop, has 138,000 miles on truck. trans. being rebuilt. THIS GM HAS BEEN NOTHING BUT PROBLEMS.	9
	2000 Chrysler Concorde LX 2.7L Hesitation, Cuts out, Misfire VIN: 2C3HD46R4Y THE CAM SENSOR PATTERN HAD SHIFTED LEFT DO TO BROKEN TIMING CHAIN GUIDE.THE TENSIONER WAS NEW SO IT PREVENTED THE CHAIN FROM JUMPING/ BUT THE TIMING DO TO THE TENSIONER EXTENDING OUT MORE HAD RETARED CAUSING THE HESITATION ON ACCELERATION AND UNDER LOAD	5
	2003 Dodge Neon SXT 2.0L cooling system VIN: 1B3ES56CX3 well i think this one is fixed. after the replies i believe it was a flow problem. i first removed the water pump to inspect for a problem, i didn't see anything that led me to believe this was the problem. since the part was warranty i replaced any way. this ...	11
	2005 Dodge Ram 1500 ST 4.7L MIL Lamp on VIN: 1D7HA18NX5 I replaced and set the TPS and the problem is fixed. Thank you fro your replies. Trouble codes: P0068.	3
	2007 Dodge Ram 1500 ST 5.7L Steering wheel shakes at speed VIN: 1D7HA18217 It was the ball joints. Rotated tires front to rear-no help. Balanced rear tires-no help. Shifted into neutral during shake-no help. Turned overdrive and Tow Mode ON/OFF during shake-no help. No grease fittings on OEM parts, rubber boots on original ball jo...	11
	2008 Dodge Ram 3500 SLT 6.7L overhead display VIN: 3D7MX39A28 thanks to all didnt see that i needed to step on the brake brake pedal twice .problem solved ,like this site happy days to all	8
	1998 Ford Escort SE 2.0L Hesitation VIN: 1FAFP13P5W Have driven around last few days with a used PCM and it seems to be fixed. Usually morning starts or after car has set for 30 min it it act up 1-2 minutes upon restart. O2 reading did change after PCM installed so I am confident problem was resolved. Thanks fo... Trouble codes: P0455 (gross evap leak -which was traced to fuel cap).	10
	2003 Ford Windstar SE Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA57443 PCM 104 pin connector pin 71 had a poor contact circuit under load. Overlaid a new wire from PCM relay to 104 pin PCM connector fixed thanks to Terry at Identifx.	6
	2003 GMC Yukon XL 1500 SLE 5.3L Stall VIN: 3GKEC16Z23 Thanks to all that responded, after hooking up fuel pressure gauge and scanner I drove car for 3 days , several times and could not duplicate problem again customer will bring car back if it acts up again. Mark	13
	2006 Jeep Grand Cherokee Laredo 3.7L Fuel Pump VIN: 1J4GR48KX6 Well New Fuse Panel showed up finally, Threw it on and its been starting everytime, bang at the box, wiggle connections I cant get it to quit. I did also look at the chaffing point mentioned, and yes it is horribly close/touching the valve cover but was all g...	7
	2004 Mazda 6 S 3.0L Engine VIN: 1YVHP80D24 FOUND THAT #5 INJECTOR WAS ENERGIZED AT ALL TIMES FLOODING THE CYLINDER, REPLACED PCM WITH USED AND SENT TO DEALER TO REPROGRAM SO VEHICLE WOULD START AND IT RUNS GREAT THE #5 INJECTOR DRIVER WAS SHORTED IN THE PCM CAUSING IT TO FLOOD AND MISFIRE AND WASHING T...	10
	1970 MG MGB 1.8L Hesitation, Cuts out, Misfire VIN: GHN5UA2036 Some replies said to ck. for fuel delivery, contamination, and carb issues. I had pretty much ruled these out but it does not hurt to recheck. Some said possible distributer, ignition issues. Luke had it right when he stated he went through 4 bad condensers i...	16
	2009 Nissan Sentra S 2.0L blower fan amplifier VIN: 3N1AB61E89 This nissan is fixed I checked how many amps the blower motor was drawing. First off, it has two 15 amp fuses so you have to pull both fuses and hook an amp probe with only one fuse jumped so that all the amps run through that circuit. I had 20 amp draw on hig...	4
	2009 Nissan Versa SL 1.8L idle VIN: 3N1BC13E49 Well this was a big surprise to me and I still can't believe what the problem was. We tested the compression and found that #3 cylinder was down to 100 lbs and the other three were ok at #195 lbs. Buttoned it back up and sent it over to the dealer for them to ...	5
	2002 Pontiac Montana 3.4L awd light on VIN: 1GMDV13E32 checked things recomended-found 2 possible problems-valve asm.and controller.cust took veh to trade in.thanks for replies-mark	5
	2004 Pontiac Grand Prix GTP 3.8L Stall VIN: 2G2WR52484 Thanks everyone got it fixed cleaned throttle body. Fixed it up hard to believe Trouble codes: P1000.	12
	1987 Toyota Camry DLX 2.0L No Start, Hard Starting VIN: JT2SV21F2H Vehicle has not returned yet, but when it does I will check out the ignition system, Just so everyone knows The fuel pump relay is controled by the MAF sensor (Turns on after air flow is detected)	9
	2002 Toyota RAV4 2.0L engine thanks for all the replies , you guys are the best .. and the fix was thanks to eddie [...] with the vvt gear and soleniod . toyota says that , that was never an issue but you know dealers ! any way a million thanks ! iatn rocks !	12
	2002 Volkswagen Jetta GLS 1.8L Poor Idle Quality VIN: 3VWSE69M12 Sorry it took so long to close this. But I wanted to wait to make sure it was done. I changed the chain tentioner, and that took care of the rattle. It still ran unstable, but it was much better. It was almost out of gas so I could not drive it very much. Gave...	9

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