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Prev Professional Automotive Repair Technical Discussions for December 17, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2006 Audi A4 2.0L abs VIN: WAUDF78E76
Have an Audi here with Bosch 8.0 esp/abs randomly sets abs communication faults.[...] no comm, I think I have a module going bad.I also have codes for communication between other components and the abs modulelike trans and airbags and engine as well as a ...
1994 Chevrolet Blazer 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEK18K6R
truck came in in tow truck, from another shop, talked to customer and he stated took truck to chevy dealer, told him that need it to start with complete tune up, customer declined because dealer will not promise that tune up will take care of problem, i notice... Trouble codes: 33 (map sensor vaccum too high), 44 (lean)
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W9Y
I'm having a severe issue getting this EVAP system fixed on this Blazer. This all started out with a P0446 vent code. Tested the vent and it stuck as normal, so I replaced it with a Dorman piece. After that, it started throwing a P0442 (small leak) code. I loo... Trouble codes: P0446
2000 Chevrolet C2500 5.7L power streeing VIN: 1GCGC24R7Y
This truck came in with the power steering inop. It ws soaked with power steering fluid but I didnt see anything dripping. Power steering reservoir was full and it wasn't making any noise. Knowing these pumps have a lot of problems with shafts breaking, I repl...
2006 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNET16S46
Thank you for reading this, I have a misfire at idle on number 6. I have smoke checked for vacuum leaks, Ramp tested coil and injector. Swapped coil and plug with cylinder #2 and it didn't change. Fuel pressure is at 60 PSI. Performed a fuel injector balance t... Trouble codes: P0300
2002 Chrysler PT Cruiser Dream 2.4L oil pressure VIN: 3C8FY68BX2
after replacing head, a no oil pressure situation occured. Removed and replaced oil pump, still no pressure. Removed pump, packed all passages and pump with petroleum jelly,re-installed- still no pressure. Dropped engine, dissasembled bottom end, checked rod a...
2002 Dodge Ram 2500 5.9L Poor Idle Quality VIN: 3B7KC23652
This truck was towed in as a no start. Customer says he has had 3 injection pumps put in in the last 4 years. We noticed the transfer pump was old and rusty. Checked it out and it was inop. Replaced it and after a lot of bleeding got truck to start. I am aware... Trouble codes: P0216 (Injector pump timing failure)
2003 Dodge Durango SLT Plus 4.7L Mechanical VIN: 1D4HS58N33
Customer complains of lack of power, engine stall and CEL. Pulled codes P0339 P0016 customer has gone 10,000 miles since last oil change... cam and crank sensors have been replaced 2x could it be because hes going so long on oil changes... oil sludged up or sl...
2004 Dodge Intrepid SE 2.7L timing VIN: 2B3HD46R54
The timing chain broke so I took the heads off and sent them off to re do the Valves,put everything back together,set the time in it and the compression is sucking inn instead of out. I took them off again and took them back to recheck and all the valves are s...
2007 Dodge Nitro SXT 3.7L Electrical System VIN: 1D8GU28K67
Hi all I have this 07 dodge Nitro towed in here. Nothing works electrically. Battery is new. I have no communication, no window's, locks , dash or anything else except brake lights and interior lights if i turn the dimmer switch. Ive got good current and groun...
2000 Ford Focus SE 2.0L Mechanical VIN: 1FAFP36P8Y
Hello to all. My niece's car has this serious noise coming from bottom rear of engine. Right at #4 and bell housing area. Trying to find some help as to whether or not this engine is prone to flex plate cracking causing loud metallic noise, put in gear and doe...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Ipr VIN: 1FTNW21P04
Ok techs basically looking for advice here on what would you do. Close to year ago customer studded heads on his truck himself. He then drove the truck for a couple months then it died and wouldnt restart. We found the ipr full of screen or rag like material. ...
2004 Ford F-150 FX4 5.4L fuel system VIN: 1FTPX14514
engine was loaded with fuel dropped oil removed and cleaned plugs engine attempts to start but fouls plugs again any ideas thanks
2008 Ford F-450 Super Duty Lariat 6.4L engine noise VIN: 1FTXW43R48
This post is for the powerstroke techs. This vehicle came in last week with a chirp noise inside the right hand valve cover at idle only hot. After the valve cover was removed we found that the rocker arm for #1 cylinder had worn out and the tip that pushes on...
2010 Ford E-250 5.4L No Start VIN: 1FTNE2EL0A
Engine died and will not restart. When problem began engine would start cold idle a few minutes and die. Engine would restart and idle then die. Run times would get shorter and shorter until it would not start at all. CNG fuel pressure at fuel rail is normal. ... Trouble codes: P1000
2007 GMC Sierra 2500 HD Classic SLT 6.6L Stall, on first start up VIN: 1GTHK23D37
customer has come in with a problem that the truck stall at first start up and has a hard time starting it after ,but will start . i took the truck home to test and problem did happen it felt like the truck is not getting fuel at first start up , it just happ...
2006 Honda Civic Si 2.0L No Start VIN: 2HGFG21516
car came on hook cranks no for dtc none. checked spark ,inj pulse both ok.checked gounds g101 ok. when cranking will pop through intake.removed valve cover to ck cam timing(has DOHC with chain) but cant find much info. on mitchell for cam to crank tim...
2002 Isuzu Trooper Limited 3.5L transmission VIN: JACDJ58X92
The Truck Was Towed in for no forward or reverse. Fluid was full. Removed Pan and Found lots of metal. Replaced Trans with used unit Truck test drove fine. 1 week later towed back for no forward gears. If I press winter mode switch the truck will move. I unplu...
2004 Kia Sorento EX 3.5L brake booster VIN: KNDJC733X4
Morning everyone, for all of you that have been in this business long enough to see your hair turn grey,any thoughts would be appreciated and for any one else please chime in, as we should always be looking to learn. Now lets proceed. A freind of mine brought ...
2006 Land Rover Range Rover HSE 4.4L Trans range VIN: SALMF15416
Customer said vehicle will jump out of over drive on freeway and drives funny. I hooked up scanner and when engine and trans are cold TR sensor will read all gear on scanner and cluster. When I drive for about a mile trans will shift hard and stay into 3rd gea...
2000 Nissan Quest GLE 3.3L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4N2XN11TXY
Vehicle originally came in for BRAKES... Upon backing it out, it died repeatedly, and customer decided to leave it for diagnostics. Apparently the vehicle had already been doing this. Vehicle has left and come back, customer decided they want to spend some mon... Trouble codes: P1105 (MAP/Baro out of range)
2008 Nissan Sentra SL 2.0L Behind Dash VIN: 3N1AB61E18
This car making humming or buzzing noise after warm up period with blower motor running. When engine cold it runs quiet until warms up. Seems like noise coming from blower motor. Has anyone came across like this? Please shed the light. Appreciated much/Charles...
1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality VIN: 1G3HN52K9T
This car has a high idle. It will go as high as [...] at times. The scan tool shows the tp sensor voltage fluctuating any where from .35v to .47v fairly rapidly. The tp % is from 0 to 3% fluctuating also. If you disconnect the tps sensor idle is perfect and...
2002 Subaru Outback 2.5L readiness monitor VIN: 4S3BH67562
I have a general question relating to the readiness monitors for this Subaru. We recently had a catalytic convertor efficiency DTC and performed an intake combustion chamber cleaning to see how the cats responded and possibly improved (we do this quite ofter w...
2002 Suzuki XL-7 2.7L Poor Fuel Economy VIN: JS3TX92V82
Hello customer complains about smelling fuel inside car when stopped and poor fuel economy i was only able to verify smell once and it is a gas smell. there are no leaks in fuel lines or exhaust and i have smoked the evap system and can not find any vapor leak...
2001 Toyota Celica GT 1.8L MIL Lamp on VIN: JTDDR32T91
Hello IATN team I'm writing hoping you can give a clue to find the fix to this problem. Very common code on these toyotas and most of the time is the air flow meter is dirty or the typical vacuum leak. But this celica has no leaks and the maf was replaced wit... Trouble codes: P0171 (System lean bank 1)
2006 Toyota Sienna LE 3.3L Drive-axles VIN: 5TDZA23C86
I have a slight wobble while accelerating and turning at the time. Usually at 20 to 30 mph. New tires, wheels straight,rechecked balance. Replaced axles with no change. Motor mounts and torque mount appear good. What am i missing? any suggestions. Thanks!
2008 Toyota RAV4 Limited 3.5L Temperature Control VIN: JTMBK31V48
Greetings all, this Rav4 is owned by a very good customer who is always a little bit on the anal side. Everything gets done to an absolute perfect standard on his car, and I am OK with that. The issue with this little SUV is that the temperature control is muc...
2001 Volkswagen Jetta GL 2.0L No Start VIN: 3VWSB29M71
Car will not start sometimes.after several days of driving and trying it finally would not start for us. When this happened fuel pressure was in specification and had good spark.when checking for codes as soon as we cleared code p1296 for temp sensor car start...
2005 Volkswagen Jetta GLS 2.0L No Start VIN: 3VWSA69M25
Started with the basics on this one. has spark (good spark), has fuel pressure (55psi), has compression (100+psi all cylinders). Checked the timing. It is right on. replaced the throttle body due to "Error" when setting adaptation. Replaced the MAF just becaus... Trouble codes: P1517, P0685
2006 Volkswagen Passat 2.0T 2.0L battery drain
Hi all, I have this 06 Passat that came in with a flat battery. Customer states that it has been replaced 3 times already. I checked for a battery draw and found 1.6amps! I had all the doors and bonnet closed and locked it and left the car for over 30 mins whi...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura MDX Touring 3.5L heater VIN: 2HNYD18652
It is fixed and putting out 135 degrees at an idle and 150 degrees driving down the road at the 90 degree setting on the Automatic Temp Control panel. It was air trapped some where in the heater core. It goes to prove that you cannot assume you've seen it all ...
2006 Cadillac CTS 3.6L Misfire VIN: 1G6DP57756
I found 0 compression in #1 cylinder, over 100 psi in #3 & #5 cyls. After consulting with my customer, we are going to get a price on a used engine. Trouble codes: P0300 (Misfire detected), P0301 (Misfire detected cyl 1), P0302 (Misfire detected cyl 2), P0128 (Coolant Temp below thermostat regulating temp), P0303 (Misfire detected cyl 3), P0304 (Misfire detected cyl 4).
2005 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire VIN: 2GCEC19T65
Customer decided not to pursue repair, he replaced spark plugs and wants to try that and see what happens. Weather has warmed up now, have a feeling when it gets cold again we will be talking. I really appreciate everyone who took the time to respond. Thanks ... Trouble codes: P0300.
2001 Chrysler Town & Country LX 3.3L Starter VIN: 2C4GP44361
had to replace the ecm thanx for all the rerplies checked all connections they were all fine
2005 Dodge Ram 2500 Laramie 5.9L No Start VIN: 3D7KS28C75
I appreciate the replies. I have to close this for now, as I have yet to get the customer to return for further testing. I contacted him, and he said he removed and "cleaned" the injectors, and now all is fine. I'm not buying makes no sense. After I ...
2002 Ford E-150 Econoline 4.2L brakes VIN: 1FTRE14272
TX ALL the brand new drums were machined and the proublem fixed
2002 Ford E-150 Econoline 4.2L brakes VIN: 1FTRE14272
tx all the brand new drums were machined and the problem fixed
2005 Ford Expedition Limited 5.4L Speed Sensor VIN: 1FMPU19565
Well I would like to thank everybody for their input on this one. Turned out it really wasn't that difficult to diagnose, I just got stumped. I removed the Right Rear hub/bearing this morning and found the bearing to have a lot of friction while turning and ...
2005 Ford Taurus SE 3.0L 1-2 shift 2-3 shift VIN: 1FAFP532X5
Thanks for the help. End results where to have the trans axle rebuilt by local trans shop. new clutch, overdrive bad, rebuilt torque converter and epc solenoid.
2008 Ford Taurus Limited 3.5L power door locks and head lighs and tail lights
thanks to all who responded,Robert from Michigan hit the nail on the head. the disarm switch ( the drivers door outside lock switch) was the problem. thank you very much for your help.
2008 Ford F-150 XLT 4.6L No Start VIN: 1FTRW14W08
Unfortunately the customer decided to take the truck to another shop and I couldn't further diagnose the truck. I do believe either water had shorted the computer or there was actual contamination of water in coil packs that might have caused this or residual ...
1999 Infiniti I30 3.0L Misfire VIN: JNKCA21A6X
Sorry for not getting back I have been waiting for the customer to decide weather or not they want to invest in fixing this car. The repairs would be more than what the vehicle is worth hate to see customers invest money in a car thats not going to last much... Trouble codes: P0300, P1320.
1997 Subaru Impreza Outback 2.2L Hesitation VIN: JF1GF4857V
Here we go, the third reman mass air flow sensor fixed it, I was a dealer guy for 25 years and never had this problem but the nearest Subaru dealer to me is 4 hours away, after driving the car those washed out cylinders cleaned up and my vacuum went to 18.5 in...
2005 Subaru Legacy i 2.5L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: 4S3BL616X5
Well, the vehicle is fixed and runs well, but I didn't fix it. Thank you to all 16 who replied--you gave me valuable leads to follow and helped me to think clearly about this problem. Since both the MAF and MAP values were wrong, and since there were no c...
2003 Volvo XC90 T6 2.9L MIL Lamp on VIN: YV1CZ91H23
Ok we did not get to go to the next step. The general idea is that the engine mechanincal base timing needs to be checked next and that this will require special tooling. Since this is the third Volvo that we have seen this year, I did not elect to purchase ... Trouble codes: 641A, 640A.
2007 Volvo S40 2.4i 2.4L timing belt broken serp belt VIN: YV1MS38297
Lots of good ideas and directions to follow. The car has been sitting for a few months and just recently tore it back down. I put a straight edge across the pulleys to make sure everything was in line and it appears to be. The alternator has not been change...
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