Automotive Technicians Technical Discussion and Fixes for Jun 7, 2012

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2002 Acura TL Type-S 3.2L MIL Lamp on VIN: 19UUA56842 Car came in with code p0131 low voltage we replaced o2 sensor car came back with same code a month later checked voltage at sensor it was low does anybody have any suggestions Trouble codes: P0131	View
	2001 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J01 has new pcm and 24x crankshaft sensor. tested passlock it is working fine, vtd fuel disable says inactive on data stream , shows 99% engine load koeo and 19ms. for injector pulse but no pulse signal at connector for injectors. HELP AM FRUSTRATED	View
	2005 Chevrolet Trailblazer LS 4.2L head lights VIN: 1GNDT13S55 the truck came in no low beam head lights. there is no power going to lights. there's no power to the fuse. using mitchell i can not find a low beam relay. if i power up the fuse the lights come on. I though the dimmer switch was bad so i got one did not chang...	View
	2005 Chevrolet Colorado Z85 2.8L starter VIN: 1GCCS14825 Thank for any help. Truck came into shop running after rolling off to start. Cut off will not crank. No power to starter sol. Check fuses and relays. Start relay #62 not clicking. Power on only on one terminal B+. Power on clutch swtich. Bypass swtich still no...	View
	2008 Chevrolet Malibu LT 2.4L MIL Lamp on VIN: 1G1ZH57B78 Hello all, think I know what is going on with this car but have never messed with cam actuators before so I was wanting to get a second opinion. This car customer states has a lack of power. I scanned only found p0010 for intake actuator. Does not feel like a ... Trouble codes: P0010	View
	1993 Dodge Dakota 3.9L Fuel Gauge VIN: 1B7GG23X0P The fuel gauge needle when it intially came in was stuck in the middle of the gauge. We verified the reading and connections at the connector back at the sending unit and found it to be a faulty sender in the tank. We then purchsed a fuel pump module which we ...	View
	1998 Dodge Grand Caravan SE 3.3L Speedo, tach, fuel guage VIN: 1B4GP44G5W Typical caravan no instrument cluster function and no communication with scanner. We have fixed several of these in the past including this one three years ago. Removed cluster and found several broken soldier joints. Installed new board from chrysler. Instruc...	View
	2000 Dodge Avenger 2.5L No Start VIN: 4B3AU42N4Y Thank you iATN members in advance. I have been dealing with this car for a few weeks now and still am stumped. The customer started the vehicle and moved in 100feet to park it under the car for me to work on. I showeed up to replace the crank sensor due to cod...	View
	2005 Dodge Grand Caravan SXT 3.8L Cam sensor VIN: 2D4GP44L65 Hey guys I think I know the answer to this one but want to verify with you all to see if I'm right.Vehicle came in with a rattley timing chain.I replaced it with an after market 3 piece set.When job was complete the MIL stayed on and The crank time is extended...	View
	2006 Dodge Charger R/T 5.7L Stall VIN: 2B3KA53H66 Engine dies at stops when cold. Does not die after warm up. No codes.	View
	2007 Dodge Sprinter 2500 3.0L Hesitation, MIL Lamp on VIN: WD0PE84557 Vehicle came in with it being in limp mode turbo was not engaging had an 06 with the same problem replaced the turbo and fixed it but this 07 is a different monster. I replaced the actuator because it was not moving and had a code for it being open and was stu... Trouble codes: 2623 (Charge air sys. Drift idle), 2626 (Dpf Soot Content to high), 2513 (intake port swirl actuator possitioner error), 2953 (intake port swirl actuator open / sensor valve too low)	View
	1994 Ford F-150 XL 5.8L Surge VIN: 1FTEF15H3R Hi Ford techs, this truck will run fine cold for a city block and then for the next 3 blocks it will stumble and fall on it's face unless you floor it and then run fine the rest of the time. All sensors have been checked, did try MAP and ECT. Replaced fuel fil...	View
	2000 Ford F-250 Super Duty Lariat 5.4L dome lights VIN: 1FTNF20L5Y Customer complaint of drivers door not staying closed. Have not had that happen that happen to me. I did notice that the door chime and the cargo light are not going off with doors close and if you have the key on the red brake light and door ajar light will c...	View
	2001 Ford Ranger XL 2.3L Surge VIN: 1FTYR10D91 Help Ford Techs! This Ranger has a no code light surge/ misfire when driven in 3 rd gear under 30 mph at steady speed/ throttle application (like driving in heavy traffic). All data looks normal, o2 sensors switching, fuel trim almost 0. Any ideas or tests we ...	View
	2002 Ford F-150 XL 4.2L rear main oil seal leak VIN: 1FTRX17282 OK guys,we replaced the rear main seal and the customer reported that it was still leaking.We have replaced lots of rear main seals in the past and decided to r&r the transmission again and replace the seal with another Felpro seal and bought a repair sleeve a...	View
	2002 Ford Mustang 3.8L Temp gauge goes in the red, sets a p1285 code VIN: 1FAFP44422 hello from soggy florida. I have this 3.8 mustang which showes to be over heating on the interstate. and sets a code p1285 "excessive temp". I can look at the pid on my scanner and it showes 250deg and the guage is in the red. I check the engine temp @ the w...	View
	2002 Ford F-250 Super Duty Lariat 7.3L Long crank time VIN: 1FTNX21F72 Engine has long crank time hot or cold after sitting for a 5 min. Noticed that if truck is shut off but key left on while sitting crank time is much shorter. While cranking ipr % climbs to 69% and icp slowly comes up till it starts. Figured we had a leaking in...	View
	2003 Ford E-350 7.3L Poor Idle Quality, Surge, Misfire VIN: 1FDWE35F73 This van was towed in would barely run. Found oil 6 qts low. Scanned got p1316. Koeo test got p0276 and p1276 codes for cyl 6. Buzz test cyl 6 sounds weak. Cylinder contribution gets codes for cyl 2 p0266,4 p0272,6 p0278,and 8 p0284. This van will hardly make ... Trouble codes: P1316, P0276, P1276	View
	2006 Ford F-350 Super Duty XLT 6.0L Low Boost VIN: 1FTWW31P26 History: I will try to keep this story short. The customer brought his 2006 F-350 6.0L in to diagnose a squealing noise and low boost pressure. The low boost pressure has been an on going problem for over a year since he had a turbo failure at which time the ... Trouble codes: P0401 (EGR system insufficient flow detected)	View
	2007 Ford F-250 Super Duty XLT 6.0L Poor Fuel Economy, MIL Lamp on, no power VIN: 1FTSW21P77 Hi guys, to start i am not much of a dieasel tech so i will explaine as best as i can. Ok to start this is my dads truck he got it at an auction it used to be kitted for the rigs. It has no power cold or hot. The main issue is the over heating. This is were it...	View
	2007 Ford Expedition EL XLT 5.4L Charging VIN: 1FMFK16517 Heres an odd one. Belt broke and ripped fan clutch wires. We replaced with aftermarket fan clutch, all was fine. A day later, bat light would come on and charge gauge would go up (and show 16 volts at battery and alternator) when engine either revved warm or s...	View
	2010 Ford Focus SEL 2.0L No Start, Stall VIN: 1FAHP3HN0A Hi everyone, have this 2010 ford focus that will start and then stall, check fuel pressure, spark and injector pulse have all but still shuts down, will run for 3 secs and dies, what i'am i missing, was dropped off from another shop.	View
	2000 GMC C3500 Sierra SL 7.4L Electronic VIN: 1GTHC33J9Y vehicle comes in with complaint of hard shifts, and falling out of 4th when hot. owner reported p0753. said he took it back to trans shop and they indicated problem is outside of trans. found vehicle sets p0753 every time and results in maxed out line. teste...	View
	1995 Honda Accord EX 2.2L No Start VIN: JHMCD5655S Group need help on a Honda with a no start. Came in and the customer said sometimes it starts but dies after a few seconds. We could not get it to start. Whne cranking check engine light will not click off so suspected maink relay. Also could not hear fuel pum...	View
	1999 Honda Civic HX 1.6L Cuts out, MIL Lamp on VIN: 1HGEJ722XX Customer bought car with ck eng.light on.-p0335 crank sens.ckt a malfunction.car also exhibits what feels like injector cutt off at 3500 rpm .he replaced crank speed sensor and timing belt,when light was still on he replaced distributor.i tested new dist. And ... Trouble codes: P0335	View
	2002 Honda Civic LX 1.7L compressor inop VIN: 2HGES16562 hi honda techs,i've searched the archives and found some good info,but stiil stumped.i don't have compressor operation.doing the alldata test tells me to update/replace pcm.been there done that,reset pcm and immobilizer.still none.put in used pcm.?looking at l...	View
	2006 Infiniti G35 X 3.5L No Start VIN: JNKCV51F96 Hello, thanks for any help in advance. This car came in as a no start and coils burning up under the hood during cranking. I found a bad ground strap to the transmission, fixed it and added redundant grounds to body and engine. Car still wont start at this poi... Trouble codes: P1610 (Nats locked), P1611 (Bcm-ecm mismatch)	View
	2002 Kia Rio 1.5L 1-2 shift VIN: KNADC12362 Customer dropped in with a concern regarding a harsh 1-2 shift only when the a/c is engauged. I took vehicle for a test drive to verify complaint. With the a/c off it shifts smooth and normal, but when the a/c is on 1-2 shift is quite harsh and customer has co...	View
	2003 Kia Spectra GS 1.8L Excessive Emissions, Poor Idle Quality, Misfire VIN: KNAFB16173 Thank you in advance for any help you can give us. This engine surges at idle, when trying to accellerate it feels like a misfire, at idle has strong exhaust odor like running too rich, wave forms all look good on all sensors tested, tried known good airflow m...	View
	2005 Kia Sorento EX 3.5L rear differential VIN: KNDJD73375 Seems it tries to grab rear end at take off only, like limited slip rear end damage. There is no tag on rear end, but I believe it is limited slip ? Has anyone experienced similiar concerns? I think I ruled out the driveshaft/carrier brg/u joints but would lik...	View
	2001 Lincoln Town Car Cartier L 4.6L Cluster VIN: 1LNHM85W21 Vehicle came in complaining about abs and brake light not opperating, odometer and speedometer not working also. My boss started checking it and decided to put a new vehicle speed sensor but did not took care of the abs or brake light. So he pass it on to me, ...	View
	2001 Mazda MPV DX 2.5L No Start VIN: JM3LW28Y51 I receive this van after been in another four shops, He was told that ECM is damage and been replaced by the other shop, still not start, I found codes P1624 but also found missing Immobilizer module, I have and IDS but there is no option to do this and after ... Trouble codes: P1624 (Immobilizer module missing)	View
	2004 Mazda 3 S 2.3L timing cover VIN: JM1BK32324 Hello, I have this mazda that came in to us that was just at another shop, the customer through a rod and had some engine repair done, on test drive I noticed the engine had a nasty ping on take off and heavy cruise, also there was a lot of upper end noise aro...	View
	2000 Mercedes-Benz SLK230 Kompressor 2.3L door lock/module/pump VIN: WDBKK47F8Y Any help is greatly appreciated. Vehicle originally had water in the door control module located in rt rear of trunk. We assumed water was from trunk area having water intrusion. After 3 weeks same problem occured. Found water in module again. No sign of water...	View
	1997 Mitsubishi Eclipse GS 2.0L Ign1 fuse VIN: 4A3AK44Y7V this vehicle has a bunch of aftermarket components installed on it. I have disconnected all aftermarket components from the ignition system that were spliced into the ignition wiring and computer harness. when I turn the key on, the IGN1 fuse blows right away....	View
	2002 Mitsubishi Diamante LS 3.5L fuel gas guage VIN: 6MMAP67P02 The gas guage does not work. Test light test at sender jumping #'s 2 and 3 same problem. Install 10 ohm resistor, same problem. It has the high cotrast meter. Sin resistance 153 ohms, cos is 163 ohms. voltage out to guage is 7.6v at the meter and at the sender...	View
	2004 Nissan Maxima SL 3.5L Pin VIN: 1N4BA41E34 Hi everyone, this is my first time posting, but I have a problem. I'm trying to figure out the Pin of the IMMO. I have a bunch of numbers, so maybe someone can calculate the PIN for me. BCM Nissan P/N: 284B0 7Y000 XX CKE PT Number: [...] IMMOBI...	View
	2004 Porsche Boxster 2.7L Fuel Pump VIN: WP0CA29864 Car was towed in, crank no start,customer complaint park the car over night and no start in the morning, ck. for dtc and no dtc found . no water leak ,found no fuel pressure and replace with new pump, left car over night and found no start in the morning ,foun...	View
	2001 Saturn L300 3.0L No Start, Poor Idle Quality, Stall VIN: 1G8JW52R31 we cleared codes and p1516 returns we use mitchell on demand not a good description for repair on that code it talks about a throttle body module but we do not see one on the vehicle or in the wiring diagram any help would be greatly appreciated thank you guys... Trouble codes: 1516 (1510 -), 1510 (1519 -), 1519	View
	1990 Subaru Legacy L 2.2L Timing VIN: JF2BJ63CXL Car was running OK I changed the timing belt and now it will not start. Rechecked 5 times the timing marks and belt placement and still does not start. Checked compression the first time #1 and #4 had intermittent compression. Cylinders #2 and 4 had 60#. Disco...	View
	2005 Subaru Forester XS L.L. Bean Edition 2.5L Hesitation, Stall VIN: JF1SG67675 Car bought recently, runs great but then stalls (usually in an intersection. engine will restart but will only idle, does not respond to throttle. shut off and wait 2-3 minutes, starts and goes. CEL goes away after a while. Any hints? TIA Trouble codes: P2139	View
	2006 Toyota Prius 1.5L HV Battery VIN: JTDKB22U46 check engine and red triangle warning lamps on. OBD codes- P0a80 replace hybrid battery, P3017 battery block 7 becomes weak. HV ECU code - P3000 battery control system. I have monitored individual battery block voltages and notice when not charging the HV batt...	View
	2006 Toyota Sienna LE 3.3L Misfire, MIL Lamp on VIN: 5TDZA23C46 Hello all. Thoughts on this issue. Vehicle came in with a light misfire. Also had multiple codes stored. Cleared codes and P0305 comes back immidiately. Misfire data shows a constant misfire count. Performed a tune up due to original plugs. Swapped coil to #6 ... Trouble codes: P0305, P0300, P0171 (Fuel system too lean Bank 1), P0174 (Fuel system too lean Bank 2), P0121 (Throttle/pedal sensor switch A circuit range/performance), P0420	View
	2001 Volkswagen Beetle GLS 1.8L Stall, MIL Lamp on VIN: 3VWCC21C41 Hello and thanx in advance for any help given. Ive got a turbo Beetle that we just completed a head gasket on. This repair went smooth. But during the test drive the tech said that during a left the car stalled. The vehicle started back up but was low on power... Trouble codes: P0102 (Mass Air flow Circuit), P0342 (Cam Sensor Circuit Low), P1633 (Accelerator Pedal Pos Sen Cir Low), P1639 (Accelerator Pedal Pos Sen 12 Range Perf), P0237 (Boost Sensor Circuit A Low), P1592 (Baro/Boost Pressure Sensor Out of Range)	View
	2006 Volkswagen Jetta TDI 1.9L No Start, Stall VIN: 3VWDT71K66 Hello, and thank you in advance for any help you may be able to offer. This Jetta was towed in as a no start- owner stated that it began running rough on her way home after fueling up, and the next morning it would not start. No MIL, no codes stored. Vehicle d...	View
	2005 Volvo XC90 2.5T 2.5L Cam Timimg VIN: YV1CY59255 Requesting VOLVO insight: Vehicle was running fine, came in for a standard T belt R&R maintenance. re-assembled and it started, ran for 2 minutes then died? Cranks but no start?pulled the timing cover off and found a unusual movment in the varaible timing mech...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Audi S4 Avant 4.2L Engine knock/tapping VIN: WAUPL68E64 Thanks to everyone for responding. Info on S4's is not easy to come by. A special thanks to Tony for his help. I pulled the right rear timing cover off, replaced the timing case w/solenoid, cam adjuster (it showed signs of wear on the locator hole) and chai...	8
	2006 BMW X3 3.0i 3.0L Poor Idle Quality, Misfire, Only in park VIN: WBXPA93456 It finally acted up in the shop. The fix was a new pcv assembly under intake. We found that the engine crankcase vacuum was at full vacuum. tried to get oil filler cap off while it was running and it was totally vacuumed on, had to pry it off and then it had s...	4
	1995 Chevrolet S10 4.3L No Start VIN: 1GCCS14ZXS Thanks to everybody for your time . As many said it turned out to be the ignition coil spiking, and killing the ign control module. Thanks again	25
	2003 Chevrolet Silverado 2500 HD LT 6.6L oil leak VIN: N0HAVEV1N0 i put another seal in it its dry now thanks for all the help	6
	2004 Chevrolet Suburban 1500 Z71 5.3L abs VIN: 1GNFK16Z64 Sorry guys, no fix for this one :( 33 of you offered help. Both front wheel speed sensors were replaced, Left front bearing assembly was replaced ( it was very bad) Mounting surfaces were checked and cleaned. Steering wheel position sensor was changed. Wiring ...	40
	2005 Chevrolet Trailblazer EXT LS 4.2L vehicle speed sensor Thanks to all who replied or contacted me directly. We never figured out what the problem was, but I could make a mile-long list of what the problem wasn't. Replaced pedal and throttle body assembly and vehicle speed read a constant "0". My boss decided we ...	17
	2000 Dodge Avenger 2.5L No Start VIN: 4B3AU42N4Y I got back to the vehicle finally and after all the posts I decided to pull the timing covers and check timing marks to make sure the belt did not jump. The timing marks are perfect so the belt did not jump. Once I got the engine up to top dead center I pull...	12
	2005 Dodge Magnum SXT 3.5L Hesitation, Stall, MIL Lamp on, Hard Start Cold VIN: 2D4FV48V55 I went thru everything again and had the computer flashed with 4 updates including on for O2 parameters. Problem returned again. I have a data recorder on the vehicle and the customer is driving the car right now. I am close to the deadline for closing this... Trouble codes: P0171, P0174.	6
	2001 Ford Escape XLT 3.0L Poor Idle Quality, Hesitation VIN: 1FMCU04121 This vehicle has several bad things but I fix the customers complaint. Injector # 5 was bad, I replaced it and the hesitation desappear. Customer will return later to fix the rest. Trouble codes: C1676 (Battery pack voltage out of range), U1262 (SCP data fault for J1850 BUS), U1073 (SCP data fault for engine coolant), B1318 (Low batery voltage at module).	9
	2002 GMC Yukon XL 2500 SLE 6.0L Surge, Cuts out VIN: 3GKGK26U72 Thank you all very much for the good info. It ended up being a bad pump. I checked the voltage to the pump and it didn't change when it acted up. I replaced the pressure regulator, and that didn't help' I checked the grounds at the frame near the pump, at the ...	11
	2005 GMC Sierra 1500 WT 4.8L mil VIN: 2GTEK19V05 it was a broken wire between the ecm and plug under the fuse box! so glad they use wiring that is not so flexable! anyways truck repaired!	7
	2000 Honda Civic LX 1.6L No Start VIN: 1HGEJ667XY Thank you guys. All of you for your helpful insight to what was happening. Well as I was going thru the car and looking at the the diagrams after all that was going on with the vehicle... I concluded on checking the power on injector pulse from the PCM. Ran vo...	19
	2004 Jeep Grand Cherokee Laredo 4.0L Dome Lamps VIN: 1J4GW48S54 FOUND IT! PASSENGER DOOR CONTROL MODULE WAS CONTINUALLY COMMANDING A PARTIAL "UNLOCK" SIGNAL. AFTER ISOLATING BOTH DOORS, WE FOUND A POOR GROUND TO THE DOOR MODULES (LOCATED UNDER PASSENGER SIDE SEAT) AND THE DEFECTIVE MODULE, REPLACED MODULE AND ALL IS WELL.	4
	2000 Mercedes-Benz E320 3.2L Compressor VIN: WDBJH655XY Well, I have done some more Testing and decided to bite the bullet and replace the compressor! Another car down the road!!! Thanks for the replys! IATN Rocks!	8
	1998 Nissan 200SX 1.6L filling tank VIN: 1N4AB42D3W Dave from Alabama hit it on the head. The charcoal canister was full. It almost weighed 6 pounds. We put a new canister on and the problem went away. Thank all of you that gave there input on this repair.	9
	2004 Nissan Maxima SL 3.5L camshaft VIN: 1N4BA41E64 okay this is the deal..when the timing chain guide slipped down and the main chain tensioner slipped out of place it made the cam chains jump a tooth on bank 2...thanks for ur responses..	4
	1994 Plymouth Grand Voyager SE 3.3L Hard starting VIN: 1P4GH44R8R well after all the damn testing i was doing to eat i forgot to even check fuel pressure i know i put a new pump but i forgot to put a new filter so i checked the filter and it was a chrysler filter i put a new one on and fix the issue. fuel filter was plugged	8
	2007 Saab 9-5 2.3t 2.3L Converter VIN: YS3ED59G87 We wound up replacing the trans with a used unit. Vehicle is fine now, Thank you to all that replied. John	7
	2003 Suzuki Aerio SX 2.0L MIL Lamp on VIN: JS2RC41H73 Well I unfortunately don't really have any information. I got a few replies but the customer got frustrated with the time and lack of results on there vehicle and took it. If it comes back and I get any new info I will update this request. Thanks to all those ... Trouble codes: P0171 (Lean exhaust bank 1).	8
	2007 Toyota Prius Touring 1.5L MIL Lamp on VIN: JTDKB20U27 I'm not sure the problem is fix or not. Replace VVTI unit recommand by Philip. Had been drive in B mode, follow by toyota TIS service info.for 2 days So far no pending code. Customer had vehicle for 2 days. If problem come up i will reopen help request. Thank... Trouble codes: P0011.	5
	2001 Volvo S80 2.9 2.9L 3rd Gear VIN: YV1TS94DX1 Hi again, everyone, and thanks again for your help. Unfortunately, we have not got this car finished, but I believe we at least have the problem diagnosed. If there is anything further to add when it's done, I will update this post then. Here's what we've go...	9

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