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Professional Automotive Repair Technical Discussions for March 14, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Audi A4 3.0L MIL Lamp on, chugs at idle int. VIN: WAUJT68E32 The car came in with the p0130 code. Threw a walker o2 sensor at and car set readiness fine and even made it through emissions. A mile after emission station it was reported that car started running rough. Got back to the shop and looked harder. Checked voltag... Trouble codes: P1142, P0130 |
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| 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 ... |
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| 2002 BMW 325i 2.5L MIL Lamp on VIN: WBAET37402 This car originally came in back in November with the complaint that the cruise would quite working after driving 5-10 miles. I was able to duplicate and found the EML light would come on when the cruise quit. Found code D3 iac valve mechanically stuck. Custom... Trouble codes: D3 (Idle Air Control Valve mechanically stuck) |
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| 2005 Cadillac CTS 3.6L valves VIN: 1G6DP56785 Hello brothers and sisters. This one is mine actually my wifes. Timing chain jumped just enough to bend some valves and I've never had to do a valve job on this model.My machine shop, whom I trust, says its risky because head deck bolt threads pull out when to... |
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| 2003 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on VIN: 1GCDT13X53 this vehicle sets missfire code while driving on cyl #1 from accelerating from stop.(65-70 mph). normal cruising speed no miss occurs? please help! this truck is killing us; it needs to go. Thanks everyone; Larry Trouble codes: P0301 |
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| 2004 Chevrolet Trailblazer LS 4.2L Hesitation VIN: 1GNDT13S84 Vehicle came in for diagnosis from new owner bought with problem. We have verified condition as follows. If the vehicle is allowed to sit for at least fifteen minutes then driven it will hesitate as you accelerate because it is running extremely lean up to abo... Trouble codes: 00171 |
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| 2004 Chevrolet Silverado 2500 HD 6.6L Fuel Pressure VIN: 1GCHK23284 this vehicle was brought in with surging/erratic idle. almost like a misfire. it had codes p0089 and p0672. the first code is for fuel pressure out of range. i checked the readings and the desired and actual were jumping so fast i could not read them. the vehi... |
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| 2005 Chevrolet Cobalt LS 2.2L Mechanical VIN: 1G1AL14F15 I got this car back in the shop today the customer complaint was the car making noise lifter check the oil maybe 1quart of oil in the car an 5000 miles over the change sticker so I changed the oil and refilled it the noise went away and the car will not idle t... |
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| 2000 Chrysler LHS 3.5L unknown VIN: 2C3HC56GXY The vehicle's power steering system whines on a cold start only. some days it will whine for a sec then other days it will whine for so long the resivour spills over the fluid looks like foam. I have replaced the pressure lines and return lines in put hose cla... |
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| 2003 Chrysler Town & Country EL 3.3L MIL Lamp on VIN: 2C4GP24R13 this one has me scratching my head. the van came in with the cel on. no other symptoms. plug in my snapon solus ultra get no comm. use my little code zapper and get P1684. switch the key 3 times and same code. says i lost power to the tcm. i can communicate wi... Trouble codes: P1684 (lost power to tcm) |
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| 2007 Chrysler PT Cruiser Limited 2.4L Battery VIN: 3A4FY58B57 We have a cruiser here that has an intermittent battery drain. We have never had it do it while here. But will completely drain the battery within 2 to 3 days after the customer takes it. Sometimes it takes 2 months before they have an issue sometimes a week. ... |
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| 2011 Chrysler Town & Country Limited 3.6L Starting VIN: 2A4RR6DG8B Need some help from the Chrysler techs. The key is stuck in the ignition, cant start car or remove key. when you turn the key nothing happens, no lights on dash or anything. I believe it is the ignition node or the key fab but can not remove key to test either... |
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| 1999 Dodge Grand Caravan SE 3.3L monitors won't set VIN: 1B4GP44GXX Once vehicle reached me this vehicle belongs to a friends mother and now I have it. I performed a visual inspection and found nothing out of the ordinary. Hooked up 2 different type of scan tools and info is like this no monitors are set none. Scanned all my d... |
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| 2000 Dodge Dakota SLT 4.7L Cylinder Head VIN: 1B7GL2AN4Y Head Bolt TORQUE? |
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| 2009 Dodge Journey SXT 3.5L Starting VIN: 3D4GH57V39 I checked battery voltage initially and found voltage at approx. 5.50 volts. Charged battery and vehicle started roughly and died after several seconds. Alternator voltage output was 14.3V while engine was running. No codes stored in PCM memory. The strange th... |
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| 1993 Ford Ranger STX 3.0L Surge, surge when driving VIN: 1FTCR14U3P Vehicle came in with a surge at idle, also when driving (cold) between 50 & 55 mph vehicle has noticeable and excessive surge under light acceleration. Readings on DPFE are non existant, when testing circuits, have 5v ref signal, ground but the pfe wire has no... |
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| 1995 Ford Explorer Eddie Bauer 4.0L Reverse VIN: 1FMDU34X9S This 4R44e tranny came in with no reverse only. remove tranny find the direct clutch burn replace drum and overhaul, now it have reverse but move slow or slip. so we install a next tranny from 1997 wreck jeep, and we still have the same problem if you remove t... |
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| 2003 Ford Mustang SVT Cobra 4.6L cooling fan VIN: 1FAFP49Y33 Hello guys, I have an 03 mustang cobra and running into the cooling fan issues i have replaced cooling fan i applied 12v to fan and would not engage also found 50 amp fuse blown replaced also after repair fan worked and ac was cool let car sit for about 35 min... |
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| 2006 Ford Five Hundred SEL 3.0L No Start, Cuts out, Stall VIN: 1FAFP241X6 The car stalled on the freeway, then would not crank over and not start. It was towed to my shop where we found that the Alternator was burned and seized up causing the no crank condition. Note: the alternator was black in areas and smelled burned and would no... |
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| 2006 Ford Taurus SE 3.0L Poor Idle Quality, Surge VIN: 1FAFP53U56 Has a heavy surge at idle, will happen in gear or neutral, warm or cold. No codes, fuel trims right around 0. No vacuum leaks. EGR tube stays cold and DPFE voltage never changes from KOEO voltage at idle indicating no EGR flow. Continues to do it with alternat... |
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| 1995 Geo Prizm LSi 1.6L No Start VIN: 1Y1SK5263S ok this one was towed into me with a no start condition. The first thing I do is check for spark and injector pulse. I have neither. Then I pulled the distributor cap and see if the rotor is turning. It is so I check to make sure total timing is right and its ... |
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| 2005 GMC Envoy XL SLE 4.2L battery VIN: 1GKET16S15 Hello every one. This vehicle has a battery drain that will kill the battery in two days. it seems to be fine if you start and run it on a daily bases. We have removed the remote car starter module, instrument cluster fuse, inspected wireing harness, tested cu... |
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| 1986 Jaguar XJS 5.3L Excessive Emissions VIN: SAJNV5846G On this model XJ-S, the FI ECU has a rotary indexed switch. I have attempted to adjust this switch while the car has been on the smog machine dyno, watching for any indication that the tailpipe reading would reflect a change toward cleaner or dirtier in an att... |
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| 2005 Mazda Tribute S 3.0L Hesitation, Poor Fuel Economy VIN: 4F2CZ941X5 Customer is a used car lot. This is a problem child car. The main complant is the car fall flat on its face when accelerating from a stop. It also gets horable fuel economy. It also has a very long cranking time before starting. Car runs fine one you get it u... |
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| 1978 Mercedes-Benz 230 2.3L Poor Idle Quality VIN: 1070441204 At idle it has a miss. Rev the engine to somewhere around 2000 rpm and it smoothes out real nice. At first i thought vacuum leak, but found NONE. I did a KV test and all cylinders were between 7 & 10 KV. I did a BG Induction service, (no change). I thought may... |
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| 2004 Nissan Maxima SL 3.5L Hesitation, spark knock VIN: 1N4BA41E64 The car arrived 2.5 quarts low on oil. The oil was also filthy. I did an oil change with 0- 30 synthetic. The 2 codes were pending. I then cleared the codes and saved the scan data and freeze data. Driving the car, it has absolutely no power at all, and starts... Trouble codes: P0011 (valve timing B1), P0021 (valve timing B2) |
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| 2004 Pontiac Bonneville SE 3.8L rear ride control VIN: 1G2HX52K04 ok everyone, ran tests using modis and checking pids. can operate compressor no change. active command alc exhaust and shocks will not move from current position. rearend rock hard. also height sensor replaced. need help thanks in advance |
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| 2005 Saab 9-3 Linear 2.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: YS3FB49S05 We are looking to install a used engine computer. We have installed new before. We have a Tech II and the software. Do we need to electronically "remove" the computer from the donor vehicle with the Tech II before we can use it? |
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| 1999 Subaru Forester L 2.5L Emissions VIN: JF1SF6350X This car came to me with a failed emissions test, I did a visual inspection and did not see anything, No codes in the computer, pulled one spark plug on each bank and they looked good they were not black at all! performed a BG fuel system cleaning and it faile... |
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| 2006 Subaru Legacy GT 2.5L MIL Lamp on VIN: 4S3BL67636 Customer states CEL came on first thing this morning so he drove to our shop. DTC P2009 Intake Manifold Runner Control Circuit Low (Bank 1) Diagnostics seems too simple in All-Data? It states "check Voltage at both wire connectors (connector unplugged) of Tum... Trouble codes: P2009 (Intake Manifold Runner Control Circuit Low Bank 1) |
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| 2005 Suzuki XL-7 EX 2.7L Timing VIN: JS3TX92V25 Hello Everyone, This Suzuki came in on the hook with a crank/ no start condition. According to the customer she drove it home the night before and went to leave the next day and it wouldn't start. Long Story short I ended up Doing a compression test to find Al... |
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| 2007 Toyota Matrix XR 1.8L No Start, Hard start VIN: 2T1KR32E67 Thanks in advance for the help everyone. Customer is a traveling salesman, states that car starts fine in the morning, makes a 25-30 minute trip to a garage for a sales call and after the time spent in with his customers he returns to the car and it will not s... |
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| 2008 Toyota Sequoia SR5 5.7L MIL Lamp on VIN: 5TDZY64A28 Hello fellow techs, We have this Tundra with a code p2443, we have tested and found 1)that the air injection pumps are working,2) we have a failing air pump control valve,part of a two piece set and 3) there is a TSB reffering to water intrusion damaging the p... Trouble codes: P2443 (Secondary air injection valve stuck closed) |
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| 2005 Volkswagen Jetta 2.5 2.5L Window VIN: 3VWPF71KX5 Replace driver door electrical harness only on advisement from customer, due to broken wires at "A" pillar. Now, nothing works from driver door {door locks, windows, trunk release}. Windows work from other doors. Any advice before I get in too deep on this one... |
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| 2009 Volkswagen Passat CC Highline 2.0L Misfire, MIL Lamp on Came in for CEL for Fuel rail pressure sensor low pressure. I have checked the lift pump for pressure going into the high pressure pump and it is always around 6 bar and never drops below 4 bar even under high load. The real problem doesn't seem to show itself... Trouble codes: 04506 (Fuel Pressure sensor Intermitent), 00369 (Lean Bank 1), 00768 (Random Misfire), 00772 (misfire 4), 00770 (Misfire 2) |
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| 2004 Volvo XC90 T6 2.9L MIL Lamp on VIN: YV1CZ91H14 Hoping IATN can help me on this one. This Volvo came in with a bad transmission, and only DTC's initially were for the transmission. I installed the transmission, now I get DTC 5200 RPM sensor. It only triggers on cranking/starting the engine. Will not set wit... Trouble codes: 5200 (RPM sensor) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2005 Audi A4 Quattro Avant 2.0L turbo? VIN: WAUKF68E75 The customer came in today and no oil came out of the intercooler hose. Next time I would definitely check for suction at the valve cover first and if present, do the valve cover/breather, and the reason being that if the valve cover nipple has as much suctio... |
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| 2003 Buick Regal GS 3.8L MIL Lamp on VIN: 2G4WF52143 Well, this is one for the "win" column! Steve from Quebec hit the nail right on the head. Connector c405 underneath car was corroded causing the 5v reference for FUEL PRESSURE sensor to drop out. I think the frustrating part of this repair for me, was th... Trouble codes: P1639. |
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| 2007 Buick Lucerne CXL 3.8L battery VIN: 1G4HD57237 CUSTOMER HAS NOT RETURNED AS PROBLEM HAS NOT REOCCURRED MOST LIKELY ALTERNATOR PROBLEM THANKS TO EVERYONE FOR YOUR HELP |
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| 1999 Chevrolet Corvette 5.7L Hard start. VIN: 1G1YY22G9X I'm gonna call this one fixed. I removed the NEW fuel line/check valve and found that the check valve would remain open for about 30 seconds after pressure forced it open. The old fuel line/check valve wouldn't hold pressure at all. Useless. Then Brady [...]... |
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| 2006 Chevrolet Trailblazer LT 4.2L thermostat VIN: 1GNDT13S86 It was an Air pocket. Bought the Vac fill. Thanks to all for the help |
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| 2008 Chrysler Town & Country Limited 4.0L Starting VIN: 2A8HR64X78 Thank you to everyone who responded. In my diagnostic process I ruled out the starter, having just replaced it with a Chrysler reman. That was a costly mistake, both time and dollar wise. I finally got it to act up and checked for voltage at the starter soleno... |
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| 1999 Dodge Dakota 3.9L Cuts out, Stall VIN: 1B7FL26X0X thanks for all the replies. as it turns out joseph hit it on the head. gordon's idea of a cracked flywheel is good info as well. i had already check all grounds, connectors, and such. most of these turn out to be a cmp, ckp, or the ecm. occasionally a wir... Trouble codes: P1391. |
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| 2001 Dodge Ram 1500 Van 5.2L Transmission? VIN: 3B7HC13Y01 It's been a week since the TPS has been replaced and the customer picked up the Truck. We have not heard back from him, so it seems the TPS fixed the issue. |
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| 2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46 Running compression was 20 psi lower in cylinder #6. Because of the customer's budget we decided to replace the lower intake gaskets based on the smoke in the crankcase. Cylinder #2 intake gasket was not sealing correctly. After replacing the gaskets the miss ... Trouble codes: P0306, P0316. |
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| 2008 Ford F-150 Lariat 5.4L Ignition System VIN: 1FTPX14548 We finally bit the bullet and sent the cluster out for repair. There was a problem with the processor in the cluster. Now with the key off the dash stays quiet. There is another problem that we were unable to check with the faulty cluster and that entaile... |
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| 2008 Infiniti G37 Sport 3.7L Cuts out, MIL Lamp on VIN: JNKCV64E18 We went back in and found the tensioner was extended as Delaney had suggested. We marked the position of the timing components to the block and when we installed a new chain, found that the Bank 1 sprocket was off by about a tooth, but just the Bank 1 cam, Ban... Trouble codes: P0011. |
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| 1988 Mazda B2200 2.2L Cooling Systems VIN: JM2UF1130J i replaced the thermostat with a factory one and the fan clutch. it brought the temperature to the proper level. all of this was to get the heater to work properly which once i knew i had the right heat turned out to be the blend door lever had broken also. bu... |
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| 2006 Mercedes-Benz E350 4Matic 3.5L trunk VIN: WDBUF87J66 Special thanks to Mark form Washington The relearning I believes only applies to the full extension. The only way I know is with the SDS. If I recall, the button has to be pressed when it is in the full upright position. The owners manual may have something.... |
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| 2001 Nissan Frontier SE 3.3L p1491 VIN: 1N6ED26T21 I did fix this with a new genuine Nissan vacuum cut solenoid. Vacuum lines are clear, there is not charcoal particles in system. Monitors ran and it passed emissions inspection. You can't always depend on Alldata having accurate wire diagrams. Thank you for ta... |
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| 2003 Volkswagen Jetta GL 2.0L from park to Drive VIN: 3VWRK69M43 Thanks you all for you replies!! The brake light switch was working intermittently and replaced switch and started working fine...I found out about the switch after posting here... replaced trany fluid with VW fluid. again thanks for all your help!...great s... |
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