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Prev Professional Automotive Repair Technical Discussions for November 21, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2006 Audi A4 Cabriolet 1.8L Convertible top VIN: WAUAC48H76
Customer states that top occationally will stop raising and he has to manually raise it into position. He asked me to replace the circuit breaker, I see that there is a 40 amp fuse by relay panel. Is there a thermal breaker built into the hydraulic pump? Are t...
2007 Audi A4 Quattro 2.0L No Start VIN: WAUDF78E07
Hey guys. This car would not start after filling it up with fuel. Got it going and than ran fine. With less than 1/4 tank it will give me a P0455 & also check fuel filler cap right away. It will not through any codes when full however. Smoke tested fine & char... Trouble codes: P0455 (Gross leak)
1997 Chevrolet Monte Carlo LS 3.1L ignition VIN: 2G1WW12M4V
This car stopped here and would not start again. Sometimes it would start and run for about 30 seconds then die. The scanner shows no RPM when cranking except somtimes when it would start. Now it shows the 24X crank sensor as 163480. Both crank sensors are new...
1999 Chevrolet Venture 3.4L Driven Wheels VIN: 1GNDX03E2X
Customer described that the low traction light comes on when making a hard turn that pins the steering wheel. Verified complaint; noticed that the low traction light comes on more for hard left hand turns than right hand turns. No codes for abs/traction contro...
2002 Chevrolet Trailblazer LS 4.2L communication
Ok i need help from my fellow techs. I have a 02 trailblazer ls that is turning out to be a real pain. Came in last week on the hook no start no crank. I diagnosed the problem to be a bad ignition switch. Vehicle started and customer picked it up. Today the ve...
2004 Chevrolet Tahoe LS 5.3L 4wd VIN: 1GNEK13Z84
This is driving me nuts. The customer says the truck shifts itself into 4 low on its own, and he can't shift it out until the truck is shut off and restarted. We have replaced pretty much everything. We also cleaned the ground by the frame under the driver doo...
2004 Chevrolet Trailblazer EXT LS 4.2L Fuel Tank VIN: 1GNES16S94
When trying to put gas in the fuel tank it will take maybe 1/2 gal. Then stop as though the tank is full. The fuel gauge seems to be accurate as far as we can tell. We have replaced the evap valve on top of the tank but that didn't help. Any suggestions?
2005 Chevrolet Aveo LS 1.6L Poor Idle Quality, Surge, Misfire VIN: KL1TD52675
Mil lamp inoperative, random misfire code, cannot get data from ECU but can pull codes. ECU defective???
2006 Chevrolet Tahoe Z71 5.3L Fuel Gauge Fuel Sender VIN: 1GNEK13Z66
Hello im stuck on this one. I installed a oem sending unit today and found the fuel guage wasnt working after reassembling. I dropped the tank down and tested the sending unit and found the level sensor was not changing the voltage when i move the arm. So i re...
2007 Chevrolet Impala LS 3.5L tcc VIN: 2G1WB58KX7
I need a gm trany techs help here. vehicle has no codes or other problems. as cruise speeds the tcc slip speed goes from 0 to 65-105 rpms. tcc duty goes up to compinsate bringing it back down to 0. This happens at regular intervals of about every second. I hav...
2009 Chevrolet Suburban 1500 LT 5.3L park assist VIN: 1GNFK26319
I found a procedure for Disabling Rear Park Assist. This is for trucks. It would not work for me. On 2007-2011 Silverado and Sierra models, owners or aftermarket upfitters that remove the rear bumper, install a different rear bumper, add a different box/flat ...
2006 Chrysler 300 (Car) C 5.7L fuel smell VIN: 2C3KA63H96
This is the boss' car. A 300C 5.7L. Since putting in a set of plugs, Champion Platnum not Copper (his choice not mine), this thing has had a strong fuel smell inside the car when the AC is on vent. I cannot find a liquid fuel leak on this thing to save my li...
2001 Dodge Ram 1500 Van 5.2L heater VIN: 3B7HC13Y51
came in with brake noise and heater inop was 1 gallon low on coolant installed a water pump and returned to cust. came back next day saying that the heat is not working in morning when cooled but in middle of day when its warm out side it blows 110 deg temp an...
2006 Dodge Ram 2500 Truck SLT 5.9L 3rd gear starts VIN: 3D7KS28C46
Truck came in with stuck in first prob. Scan tool read 99 psi on actual Replaced gov sensor and solenoid. Worked perfect for about 10 Kms. Then 3rd gear starts. Gov actual was stuck at zero. Replaced governor sensor again( figured defective). Worked for about ...
1998 Ford Mustang SVT Cobra 4.6L Excessive Emissions VIN: 1FAFP47V8W
this is a DOHC SVT cobra 4.6, apparently it only has 36,000 miles on it, came in no start. cranked it over and sounds like no compression. partial pulled valve covers off (if anyone knows how to get these valve covers off in the car let me know!) hand cranked ...
2001 Ford Mustang 3.8L Poor Idle Quality VIN: 1FAFP44451
Been checking this hi idle when cold ,at start up it is 2500 rpm slowly comes back down at normal idle after approx a 2 min warm up, idles fine at operating temp..smoked air induction system looking for leaks when cold. Did notice smoke coming from egr on bott...
2005 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMCU03135
OK guys, got a good one here. This Escape got towed into the shop today--brand new customer. All my R.O. said is that he wanted the PCM flashed because it had been replaced and the car wouldn't start. So I go out to the car, and it starts right up. It runs wit... Trouble codes: P0354
2009 Ford Escape XLT 2.5L Cuts out VIN: 1FMCU03739
Hi this new customer has brought this truck to me because occasionaly it will stall when parking or even when just idling in park. It did it to me it felt like it was running out of gas i cranked it over and it started but died right away.I went to get a fuel ...
2004 Honda Civic EX 1.7L dome light maybe more VIN: 1HGEM21904
starter passes cranking draw test but bendix is weak the hotter the car gets the less it engages . as far as the lights strobing/flashing it is more pronounced when cold .the more loads you put on it the less it does itand the warmer it gets the less it does i...
2004 Hyundai Elantra GLS 2.0L Mechanical VIN: KMHDN46D24
HELP! Friday morning starting off very badly! Replace the timing belt on this Elantra. Went to start it this morning for the first time since the repair. It started for 1-2 seconds, heard a thunk, and then sounded like there was no compression and it would not...
2000 Jaguar S-Type 3.0L steering VIN: SAJDA01C1Y
I have this 2000 S-Type with a light metal type rubbing noise from the front end. Only happens when turning right at speeds of about 15mph and above. It does not happen turning left or at lower speeds. Sounds very similar to a backing plate rubbing on a rotor,...
2006 Jeep Wrangler X 4.0L Shifting VIN: 1J4FA39S96
Customer brought this Jeep in and stated that he had hit a bump a couple days prior and that sometimes it would not shift into overdrive. The codes retrieved were P1790(fault after shifting) P0720(output speed sensor) and P0736(error in reverse gear ratio). We...
1993 Lincoln Town Car 4.6L head lights VIN: 1LNLM81WXP
Hello i have a 93 town car the headlights do not work. The tail lights and park lights come on when head switch is on, but no headlights. Headlights will work when u pull the dimmer switch in pass mode. This town car has digital dash and auto dimmer and auto d...
2008 Mazda MX-5 Miata SV 2.0L Heater VIN: JM1NC25F58
Heater seems to be on when temp control in cold, readings are 85 degrees coming out of vents, temp door rotating about 270 degrees from hot to cold, all mode + refresh doors working, temp sensor at evaporator within specs, possible door restriction at air temp...
2008 Mercedes-Benz GL550 5.5L Steering VIN: 4JGBF86E98
At idle intermitantly we have no power steering assist it works sometimes more so when cold, we had bled the system by turning lock to lock without engine running this is a without speed sesitive steering type of rack, the parts all came from the dealership ou...
2001 Mercury Grand Marquis LS 4.6L Heater core VIN: 2MEFM75W71
As you can see in repair history, I have done 2 too many cores on this vehicle. Had call yesterday that customer believes the core is leaking again. The car will be here Friday morning to recheck. Need some help with ideas as to any normal or unusual things to...
1986 Mitsubishi Montero 2.6L guages VIN: JA4FJ43E2G
i have this montero that has a dead short on #4 fuse that keeps blowing and i cant find a good schematic on how many circuits are on this fuse. any help would be appreciated thanks greg
2004 Mitsubishi Endeavor LS 3.8L No Start VIN: 4A4MM21S84
Hello all, this mitsubishi was towed into the shop after someone had installed a new water pump. According to the other shop, they drove it in and replaced the pump and now, no start, scan test showed cam sensor and crank sensor faults. Scoped both the cam and... Trouble codes: P0340 (Cmp fault), P0335 (Ckp fault), P0106 (Map/baro fault)
1977 Porsche 924 2.0L Clutch VIN: 9247200935
Hello out there.Here is one that I have never seen before,and I have done plenty of clutches in my time.The problem is,is the transmission stays engage all of the time,even in neutral.It seems to shift OK without the engine running.I tried to adjust the clutch...
2005 Scion xA 1.5L Srs Light VIN: JTKKT60495
P1181 test says replace or repair ip wire -- wires test ok -- test doesent mention anything about control unit -- anybody encounter this?
2000 Toyota RAV4 2.0L No start VIN: JT3GP10V5Y
We have been battling this RAV4 for about a days time now. The customer heard the water pump knocking. We advised he tow it. He did, and when we were pulling it in, it died. After pulling the timing cover off, we saw the pump locked up, belt jumped etc. Replac...
2003 Toyota MR2 Spyder 1.8L no start \crank VIN: JTDFR32023
This MR2 Spyder with the rare Sequential Manual Transmission(no clutch pedal)was towed in with a no crank condition. found no cel with key on .Found no ecm ground for the starter relay. It now has the two codes, the CAN communication code resets immediatly. No...
2003 Toyota Corolla CE 1.8L tachometer VIN: JTDBR32E83
My tech replaced engine ran great for 10 minutes then stumbled. I shut off and connected scanner and turned key on all injectors and coils started firing and tack went to 5000 rpm and fuel pump ran continuosly untill key turned off. I checked all connectors on...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Acura MDX Touring 3.5L MIL Lamp on VIN: 2HNYD18925
Thanks for all the input the I adjusted the valves and the exhaust ones were tight. I did use NGK spark plus and I checked the vacuum before I adjusted the valves when cold it was at 15" and when the engie warmed up it went to 19" aster I adjusted the valves c... Trouble codes: P0301 (Cylinder 1 misfire), P0303 (Cylinder 3 misfire), P0305 (Cylinder 5 misfire), P0306 (Cylinder 6 misfire).
2004 BMW Z4 2.5i 2.5L No Start VIN: 4USBT33434
Sorry for the late close. I got the new filter and regulator assembly and figured out that the by pushing in on the collar and adding a little lube then pulling out on the line i got it. thanks for your replies and your time
2007 BMW 530i 3.0L Engine starting VIN: WBANE73567
This car is fixed. Thanks to Dan and Allen, the valvetronic eccentric shaft sensor turned out to be the problem. The sensor is located under the valve cover so the job involves removing the valve cover. We replace the gaskets and the sensor and the car start...
2008 Buick LaCrosse CXL 3.8L steering VIN: 2G4WD58218
I will close this for now as customer was in a wreck with car. Seems like the consensus is a bad pump. I was going to flush the system first then install a pum is the noise was still there. Have to wait and see what happens now.
2004 Chevrolet Silverado 1500 LS 5.3L cruise control VIN: 2GCEK13T14
thanks for all the help. It turned out to be 4 broken wires on the brake light switch, odd thing is that all the brake lights worked fine. installed a new harness and cruise works. No abs codes but it did show brake switch "on" so i checked the switch and foun...
2008 Chevrolet Impala LS 3.5L MIL Lamp on VIN: 2G1WB55KX8
Well guys, I took a shot at replacing the canister and reset all fuel trim data and reset fuel composition. Its been about 3 weeks now and customer said the CEL has not come on yet. Thanks for the replys. Trouble codes: P1174.
2007 Chrysler 300 (Car) Limited 3.5L heater VIN: 2C3KA53G67
Hey guys thanks for all the replies. Problem was heater core. The cooling system had stop leak installed to plug leaks before trade in. Alot was put in and it settled in the passages of the core which is the lowest point in the system. so now vehicle has great...
1997 Dodge Dakota 3.9L Cuts out, Misfire VIN: 1B7GL23X9V
Thank you all for your quick responses. Gary from Colorado nailed it. The cam/crank reference was about -15, set it to zero and the truck runs great. The frustrating thing is that the Modis scan tool shows only "Sync yes or no" in the data. You have to go into...
2003 Dodge Ram 1500 Truck 3.7L valvetrain VIN: 1D7HA16K63
Thanks to all who responded. It was a mixed repsonse as to weather you need any special tools for this timing chain alignment or not. The customer has not yet given authorization for any repairs. He is not sure if the truck is worth the expense. Thanks again.
1994 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMDU34XXR
Thanks for all the replies everyone. The vehicle is mostly fixed at this point. I say mostly fixed because the no start runs rough issue is taken care of. The fix ended up being a new ICM and PCM. I came to the conclusion that the PCM was failing after several...
2008 GMC Acadia SLE 3.6L Wipers VIN: 1GKEV13788
@#$%@#&%$#*&^%$... .. REMANNED PART.. The issue was as per my original diagnoses the fault was the wiper motor after 2 remanned units went with new OEM and problem solved. thanks to all who replied
2002 Honda Accord EX 2.3L No Start VIN: 1HGCG55672
Thanks for all the help guy's. Many replies suggested the EFI relay, ignition switch, and of course the always tricky double check all grounds. Turns out this one had a wire that fed from the EFI relay to the PCM that was shorted. Jumped the wire and all po...
2006 Honda CR-V LX 2.4L radio VIN: JHLRD78566
Thanks for the replies.i did get the sir. # electronically from the radio and i then pulled radio to check label.# match.the fix was customer found code card in her files at home. completely different # from the one honda was giving me.and they said it was onl...
1989 Jaguar XJS 5.3L Excessive Emissions, No Start, Poor Idle Quality, Poor Fuel Economy VIN: SAJNV4844K
Thanks to all that replied. This car had more than one issue. First, the hose going to the ECM for the MAP sensor had a hole in it so I ran a new hose. It started and ran better but not correctly, still rich. Second, the vacuum switch didn't have a vac hose ...
2005 Kia Sportage LX 2.0L Compressor VIN: KNDJF72485
Sorry for the delay , i had received a used control panel , but had to get a new one for the repair . No apparent problems after . thasnks for the help
2006 Mercedes-Benz S350 3.7L instument illumination VIN: WDBNF67J76
I'm sending the customer to the dealer for a cluster, which I hope is under warranty. Thank you
1999 Mercury Cougar 2.5L No Start, Stall VIN: 1ZWFT61L9X
Seems I was chasing my tail afterall. The fuel pump was bad. Replaced pump, strainer, and like it should. Thanks for the assistance!
2007 Nissan Quest S 3.5L exhaust VIN: 5N1BV28407
Thanks guys for the info I will pull the muffler first when I can get the customer rescheduled after the holidays. Darin
2003 Subaru Forester XS 2.5L Misfire VIN: JF1SG65693
Thanks for the suggestions guys. We discovered the problem when the customer came to my shop to get something out of the car. It was a cold morning and I hadn't tried to start it yet. She started it and as soon as it fired she floored it a couple of times to ...
1996 Toyota Camry DX 2.2L Temp gauge VIN: 4T1BG12K6T
First I want to say thank you to all that responded. Second Info on how to check gauge in instrument cluster is incorrect on ALLDATA and Identifix. Where it has you check resistance at the back of gauge. A-B is 54 ohms, OK. A-C 176, should read 230 on good ga...
2002 Toyota RAV4 2.0L Unknown VIN: JTEHH20V72
Fellow IATN members: Thanks to all who took the time to thoroughly read the help request and offer suggestions. I believe that Eric, David, John, Richard from Washington, and [...], may have been correct with their ideas about the PCM causing my symptoms. ...
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