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Prev Professional Automotive Repair Technical Discussions for February 4, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2008 Audi A6 Quattro 3.2L Excessive Emissions, Poor Idle Quality, Misfire VIN: WAUDH74F78
We suspect the fuel injector is stuck open. Is there a way to check the electrical circuit firing the injector? There seems to be no way to access the connector. We have not taken one of these apart so perhaps there is a way to test the electrical when we have... Trouble codes: P2006, P119A, P0303, P130A
1996 BMW 328i 2.8L Surge, Cuts out, MIL Lamp on VIN: WBACD3327T
good morning techs I have a 1996 bmw 328i that someone has converted to obd 1 so they could tune the eng with proms rater than reprogram.Well the eng has also had the cams replaced with aftermarket race cams specs unknown and added lightweight flywheel, header... Trouble codes: 16 (crank pulse generator)
1999 BMW 323i 2.5L Power Steering high pressure hose VIN: WBAAM3335X
Went to screw the high pressure line into the pump and it won't bottom out the O ring in the new pump. The difference is the depth of the new pump threads are 15mm and the length of the threads on the old high pressure hose is 11mm. I have called the dealer an...
1999 BMW 328i 2.8L Mechanical VIN: WBAAM533XX
This car would not start. Customer thought battery was dead and hooked up battery charger. Car started cranking then made a loud bang in engine compartment. It then started but was burning oil bad. After doing some research I replaced the crankcase ventilation...
2005 BMW X5 3.0i 3.0L MIL Lamp on VIN: 5UXFA13535
Checked and scoped cam sensor all voltages;grounds; and wave forms good. Checked o2 sensors working good temp sensor reading and working good. No vac leaks smoke tested engine twice. Less then 6 inchs of water on oil pick up tube fuel trims lt 1.6 on both bank... Trouble codes: P1092 (Pre cat fuel trim system too lean bank2), 235 (Dme triming o2 before cat bank 1), 008 (Signal maf), 065 (Signal cam sensor inlet)
1996 Buick Park Avenue 3.8L blower motor VIN: 1G4CW52K7T
Thank ahead.I would like to know acceptable amperage draw on heater blower motor to keep from damaging fan speed module on atc.
1999 Chevrolet Silverado 1500 5.3L Battery VIN: 2GCEK19TXX
Vehicle came in for dead battery every 2 days. Performed draw test after all modules should be asleep. Showed 250ma. Removed TBC fuse and draw goes to 4 ma. With solus pro hooked up, all inputs to bcm are off and inactive as you would expect. Only strange thin...
2007 Chevrolet Impala LT 3.5L pressure control solenoid VIN: 2G1WT58K27
Got this Impala here. Keeps throwing a P0961 code for pressure control solonoid system performance. I started diagnosis by unplugging the transmission control module and testing the circuitry of the PC solonoid. Everything tested within spec. My trusty flow ch...
2003 Dodge Caravan SE 2.4L engine VIN: 1D4GP25B33
Van comes in with no start imediately tested for fuel and spark. all test showed good spark and fuel still no start. Sprayed a little starting fluid in the intake still no start. so i cheked the timing and it is still in time on the cams and crank. pulled plug...
1999 Ford Escort LX 2.0L No Start VIN: 1FAFP10P7X
came in crank and no start. found zero fuel presure and 12 volt power to pump so installed new fuel pump. now have 40 + psi started and ran for 10 minutes and back to crank and no start. check powers and grounds, NO injector pulse. when it won't start I have s...
2000 Ford F650 5.9L pressure plate adjustment VIN: 3FDNF65Y4Y
looking for anyone that may have the proper clutch installation and adjustment procedure for this vehicle, it has [...] transmission and a 5.9 cummins with a ford clutch #f6hz-7502-ba, Mitchell, alldata and archives on here have come up empty, any help is g...
2004 Ford Escape XLT 3.0L no crank and fuel pump runs whenever key is on VIN: 1FMYU93174
Towed this Escape in and wouldn't crank. Tried my scanner and I had no communication with any modules except for Air Bag module. My powertrain relay is working. I have 12 volts on my white/red wire at the mass air flow sensor. I have 5 volts on the brown/white...
2010 Ford Expedition Limited 5.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FMJU2A5XA
The vehicle came in for a heavy misfire and check engine light. Found codes p0304 and p0308. Replaced spark plugs due to condition. Misfire returned in less than 1 mile. Replaced ignition coils. Ran good all day until picked up and started up again after a cou... Trouble codes: P0304, P0308
1993 Honda Civic DX 1.5L No Start VIN: 2HGEH2467P
Car has new battery. Engine cranks, but won't fire. Verified t-belt; cam sprocket; Crank sprocket in proper alignment. Fuel pressure normal. Nice blue spark at all 4 new spark plugs. Fuel injection pulse at each injector.Ignition coil primary and secondary res...
2002 Honda CR-V LX 2.4L compressor VIN: JHLRD68402
Hi techs I have a honda here that seems to have a multiplex control unit failure. Question is does this part need any kind of programming. I would think not but need to make sure before we continue on, we don't have the capability for that. Thanks for your tim...
2010 Honda CR-V EX 2.4L seat belts VIN: 3CZRE4H54A
customer hit a pole with right front rim and both seat belts deployed and wont retract. it also popped the interior trim panels but not the airbags. the code in the airbag module is a 83-2 no signal from the front passenger weight sensor. don't think there was...
2008 Hyundai Santa Fe SE 3.3L fuel gauge VIN: 5NMSH73E38
Customer came in with cel light on and codes for fuel sending unit ,we replaced both and cleared codes.1 week later she called and said she had run out of fuel but gauge showed 1/4 tank, we got the vehicle back with 3/4 tank so i ran the fuel out using the pum...
2001 Infiniti QX4 3.5L Poor Idle Quality, Misfire VIN: JNRDR07Y41
intermitent rought idle when cold. when idling rough performed cylinder balance test and found one cylinder suspect for missfire, swapped coils with another cylinder to verify if coil is at fault. code p1320 returns but vehicle does not have rough idle Trouble codes: P1320
2008 Infiniti QX56 5.6L Vibration VIN: 5N3AA08D18
Came in yesterday for and oil change and air filter. She brings it back in today saying that now it has a bad vibration on acceleration. Yeah, ok. So I went for a ride with her and sure enough is has a bad vibration under load. It doesn't have to be moving. It...
2006 Jeep Grand Cherokee Laredo 3.7L Mechanical VIN: 1J4GR48K06
i have a 06 Jeep Grand Cherokee with the 3.7L engine. When the engine warms up the oil light comes on. Put a oil pressure gauge on it and when cold at idle the pressure is around 70 psi after the engine gets hot it drops to near 0. I just removed the oil pan t...
2001 Land Rover Discovery Series II SE 4.0L Battery VIN: SALTW12471
Hello all, We have here a Land Rover Disco II that is causing some grief. This vehicle has been to at least one other shop (possibly a dealer) before us. Customer states that the battery will go flat (usually overnight) after vehicle has been driven. Customer...
2003 Lincoln Navigator 5.4L air suspension VIN: 5LMFU28R53
Hey folks, I picked up an old Navigator as a fixer upper. The vehicle was not worth any air suspension components so I installed Expedition strut units. Does anyone know how to eliminate the warnings in the dash message center? It is transmitted via the UBP ne...
1998 Mazda 626 DX 2.0L Poor Idle Quality, Misfire VIN: 1YVGF22C8W
This vehicle has a persistant misfire at idle. No codes are showing now and I have driven it and tried to get them to return. We have scoped the ignition primary and the spark line, dwell and duration as well as firing lines look normal. The plugs showed a s...
2002 Mazda B4000 4.0L Shift Cable VIN: 4F4ZR47E52
This truck would not shift into low because it seemed like the shift cable was stretched. I could adjust the cable to go into low but then it wouldn't go into park. We replaced the shift cable and it is exactly the same. It seems like the shifter handle is a l...
2008 Mercedes-Benz CLS550 5.5L regulator VIN: WDDDJ72X58
with door closed window stops 10mm short of full closed. Perform battery reset window will close completely once. if window is then opened then closed it stops 10mm short.
2010 Mercedes-Benz C300 4Matic Luxury 3.0L hard to start VIN: WDDGF8BB3A
can't find any vacuum leaks. already replaced the shutoff valve. rechecked the shutoff valve. everything is hooked up. no obstructions. checke the air cleaner. it was on correctly. Any ideas? Trouble codes: 0749 (bank 2 too lean), 0745 (bank 1 too lean), 2095 (bank 2 too lean at idle), 2091 (bank 1 too lean at idle), 0954 (car canister shutoff valve sticks closed)
1999 Mercury Cougar 2.5L No Start VIN: 1ZWFT61L6X
Vehicle was sent to us to Flash a used PCM installed at another shop. After obtaining the old PCM to get the info out of it through the IDS "Programmable Module Installation", we had a bit of a mix up and the 'new' pcm was used to program old. This left the ol... Trouble codes: B1600 (PATS Ignition key transponder signal not received), B1213 (Anti Theft Programmed keys min)
1993 Oldsmobile Cutlass Supreme S 3.1L Hvac VIN: 1G3WH54T8P
customer complaint is that the heater stopped blowing hot. We checked the inlet and outlet temp on the heater hoses and found that the inlet was at operating temp but the out let was at 85 degrees. We removed the panel under the dash and checked the heater cor...
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ... Trouble codes: P0300, P0147
1991 Suzuki Sidekick JX 1.6L Excessive Emissions, Surge, Misfire VIN: JS3TD01V6M
Hey guys got a real screwy one here that i can't seem to figure out. Came in with a emission failure for co and hc. It has a misfire slightly at idle but mostly at 2500 rpm just revving it up. My scope doesn't seem to pick up which cyclinder it is because it s...
2005 Toyota Sienna CE 3.3L Power Sliding Door VIN: 5TDZA23C15
Changed the center roller hinge because it was loose. The other problem is that the door works from buttons but not from either inside or outside handle. If you pull and hold the handle and pull out slightly on the rear of door it would began to open. Had door...
2010 Toyota RAV4 2.5L No Start VIN: 2T3JF4DV2A
No voltage at fuel pump, all fuses test ok, not able to locate fuel pump relay, mitchell shows it located under hood on left box but it is empty i can power yellow wire at fuse inside box and pump runs scanner shows pump being commanded on when cranking am i m...
2001 Volkswagen Jetta GLX 2.8L No Start, Stall VIN: 3VWTG29M51
Vehicle was towed in. Car starts, runs for two seconds and shuts off. When we start the car we can floor it and the engine revs but immediately after it shuts off, kind of like if you would turn off the ignition switch. We verified that its not related to the ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Acura TL 3.2L power steering VIN: 19UUA56661
Thanks for all the replies. As I stated I had replaced the pump 2x, the pressure hose 2x, then the suction hose and reservoir. I was able to finally bleed all the air out using a 10" long piece of hose that fit tightly into the top of the res. and a small funn...
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WUARL48HX5
Compression tested 60 - 70 psi on affected cylinders. Most likely timing jumped. Customer denied further repairs due to cost of possible engine replacement. Trouble codes: P0300 (Random /multiple misfire), P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire).
1995 BMW 325i 2.5L Steering VIN: WBABJ5328S
Hi guys! I just want to thank you for all your help. What we found is that the rack and pinion was defective internally, we installed another rack and pinion under warranty since it had just been replaced and it corrected the problem.
1998 Buick Regal LS 3.8L brake lights, interior lights VIN: 2G4WB52KXW
First of all I want to thank all the techs who took the time to answer my help request. What I eventually found was the wiring harness under the rear seat was corroded from moisture. I probably kneeled on the spot when i had the seat out to install the rear sp...
2001 Cadillac DeVille 4.6L trunk, doors VIN: 1G6KD54YX1
Hello everyone. Thanks for the replies. I got this one figured out. At first I thought it could be the key fob so I removed the battery and placed it away from the vehicle. The trunk would still pop open. So I scanned the vehicle for codes and there were a ton...
2007 Chevrolet Uplander 3.9L rear heat VIN: 1GBDV13127
Most replies were to use a vacuum fill tool to fill cooling system which we do not have. The Service manager took it home a couple of days and we are now getting heat from front and rear.
2008 Chrysler 300 Limited 3.5L Defrost VIN: 2C3LK33G98
hello everyone, first i would like to thank everyone who had posted something for me to try. i finnaly had some more time to look at it. i fount out the the door itself was actually broke just like some of you suggested. very thankful for iatn and everyone who...
2004 Dodge Ram 2500 SLT 5.9L fuel system VIN: 3D7KU28C14
thanks guys fuel tube nuts to injectors were loose tightened to spec 20 mile road test all good
2004 Dodge Ram 2500 SLT 5.9L powertrain VIN: 3D7KU28C14
fuel tube nuts were loose tightened to spec road tested all good thanks
2005 Dodge Sprinter 2500 2.7L Crankshaft Specs VIN: WDYPD54475
Thanks to all who have replied... The ever elusive printed specification for crankshaft end play does not seem to exist. From personal experience with euro manufacturers, I would bet if you had attended the factory training class on that engine you wou...
2007 Dodge Grand Caravan SE 3.3L Air bag System VIN: 1D4GP24R87
Due to me being unfamiliar with this system Its my mistake. Other cars I have dealt with passenger presence systems have all been through the air bag module. There is a separate air bag and OCM module. This code basically means there are codes in the OCM . So ...
2000 Ford F-250 Super Duty XL 7.3L Hesitation, Surge, Cuts out, MIL Lamp on
replace #3 injector and dropped fuel tank and even though it was plastic customer has been fill from a 500 gallon steel tank and rust was present throughout tank and pump, replaced pump and cleaned tank Trouble codes: 1273 (cylinder 3 high to low open).
2000 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNX21F5Y
What an extremely frustrating repair procedure. Once I built a new harness, IDM to V.C. direct, and replacing pin terminals in IDM , along with all other repairs I had put forth previously I new, without doubt, that I have covered any/all possibilities re... Trouble codes: 1293 (open b1), 1294 (open b2), 1272 (open inj2), P0340, 470 (ebp).
2007 Ford Edge SEL 3.5L Noise VIN: 2FMDK49C57
Thanks for the help, folks. After a second inspection of the drained fluid, we noticed about a teaspoon's worth of very fine metal. This metal was so fine that it filtered through a paint filter. We priced transmission work to him. The vehicle was barely o...
2008 Ford Explorer XLT 4.0L Transfer case VIN: 1FMEU73E58
Ok guys thank you for all the help. The customer elected to not replace the servo motor for the four wheel drive selection and decided to drive the vehicle in 2 wheel high and unplug the selector switch. I will try and update later if I can.
2011 Ford Escape XLT 3.0L Oil Pressure VIN: 1FMCU0DG7B
It was the oil pump, like most of you guys said. With Thanks bob
2000 GMC Jimmy Diamond Edition 4.3L key in ignition audible warning VIN: 1GKDT13W6Y
The problem was the wrong lock cylinder, it was the only one offered for that year but when compared to a used one you could see the physical difference. It actually was a hole that triggered the switch was not big enough so it thought the key was still in.
2000 GMC C3500 Sierra SL 6.5L MIL Lamp on VIN: 1GDJC34F1Y
Thank you all for your time. The fuel sample from this truck was dark, dark, yellow. So I pulled the fuel sending unit (after I found out that the customer had a fuel level gauge issue) and check the tank, pickup tube, and sender. The tank was overfull and the... Trouble codes: P0251 (Injection Pump CAM System), P0370 (Timing Reference High Resolution System Performance).
2003 GMC Yukon Denali 6.0L Suspension VIN: 1GKEK63U23
after 2 days of frustration , pull the right front seat, check the wiring & ground, check the carpet for wetness all tested good, order& Install used ABS Module , caliberate tire size & my problem is solved.
1999 Isuzu Amigo S 2.2L MIL Lamp on VIN: 4S2CK57D3X
2011 Jeep Grand Cherokee Laredo 3.6L Poor Idle Quality, MIL Lamp on VIN: 1J4RR4GG3B
Thanks for all the replies. my shop did not make the needed repairs. However my customer was served by your help and info. Looks like this one needs to go to dealer. Trouble codes: P0302, P0300.
2003 Land Rover Range Rover HSE 4.4L air strut VIN: SALME11443
belongs to olde retired fella from west side of country who married a texas gal and will not spend money as car sits most of time.its for sale as we condition w/one bad strut.wants to convert to reg suspension but i told him he would lose ride plus ...
2007 Mazda CX-7 Touring 2.3L Turbo VIN: JM3ER29377
Well I pulled the intake tube off and found a ton more oil. I go to spin the impeller and it turns with way too much resistance (Usually never feel resistance). Oil is on both sides of the intake side of the turbo but no oil found at the exhaust side. We repla...
2000 Mercedes-Benz S500 Guard 5.0L Key FOB Does Not Turn VIN: WDBNG75J5Y
Was not able to communicate with EIS with Autologic. Ordered another key and car fired right up. thanks guys!
2000 Mercury Mystique LS 2.5L Intake VIN: 1MEFM66L0Y
Thanks to everyone.It was the IAC,as soon as I replaced it and started the vehicle the noise was gone.If I didn't use this service I would have replaced the intake gasket.Thanks again you saved me a lot of time and possibly an angry customer.
1990 Oldsmobile Cutlass Ciera 3.3L fuel pump fuse VIN: 2G3AL54N7L
sorry for the delay in posting this reply I was in the hospital for awhile. anyway the car is still here. has started and been driven almost daily since this was posted. the car has been on hoist wiggled bounced shook wire harness opened and inspected. custome...
2002 Porsche 911 Turbo 3.6L mil light VIN: WP0AB29962
Well it was the most expensive loose hose clamp ever,had to remove motor and trans to get to it. The clamp connects the intake pipes going to both turbos together, so the leak was creating an under boost condition but wasn't big enough leak to set boost pre...
2007 Toyota Camry XLE 2.4L starter, door locks VIN: 4T1BE46K57
First of all let me thank all the members that responded immediately and without hesitation. Ken [...],for t...
2007 Toyota Camry XLE 2.4L Engine VIN: 4T1BE46K57
Hi Techs Thanks for the help I tried every suggestion in order to rule out possible causes. The longer it ran the louder it got. Started to sound like Rod Knock. Finally got authorization to pull the oil pan. Pulled off the Oil pump pick up tube and scree...
2001 Volvo V70 2.4T 2.4L no crank no start VIN: YV1SW58D91
Thank you David from Ohio. I called Xemodex in the Toronto area and their tech support(Tony) helped me nail it down. If you go into the VIDA system under Vehicle Communication, you look for the immoblizer system and click on it to find the 13 parameters that a...
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