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Prev Professional Automotive Repair Technical Discussions for October 16, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Chevrolet Impala 3.4L 1st gear VIN: 2G1WF52EX5
I am hoping this is old, ancient news for some General Motors guys here. This is my personal car and I have been busy and am simply hoping for a quick "poll" here since I know this is a common problem. In fact, a very significant percentage of 4T65E transmissi...
2007 Chevrolet Silverado 2500 HD Classic LS 6.6L gauges VIN: 1GCHK23D07
The dash lights and gauges work intermittantly. Alternator went out last week and one battery was bad so I replaced both batteries and the alternator. The problems were occuring before components were changed and today the truck came back again, only charging...
2007 Chrysler Aspen Limited 5.7L MIL Lamp on, etc light on VIN: 1A8HW58227
this car came in with the two codes owner also said electronic throttle control light on we replace t stat and car came back the next day found wire harnesss near condenser rubbing against a/c line causing short 2 wires were exposed when pushing wires against ... Trouble codes: P0128, P2181
2002 Dodge Grand Caravan EX 3.8L No Injector Pulse On Cyl.1,5,6 VIN: 2B4GP74L02
Cyl#1,5,6 do not pulse from computer replaced injector harness 6 injectors cam and crank sensors with a used computer . There is a ngc and asbec computer that will fit this car if i am getting nothing from computer for these three injectors could i have been g...
2006 Dodge Ram 2500 SLT 5.9L Shift points VIN: 3D7KS29C16
Hi guys, This one has thrown me for a loop. Every thing looks normal and data is normal, But when the customer tries to accelerate hard the trans will down shift and up shift like the governor pressure is all over the board. No debris in pan when changing gove...
1996 Ford Ranger Splash 3.0L not sure VIN: 1FTCR14U2T
This vehicle has a vibration in the seats and small amount in the steering wheel most of the time. At speeds of 55 to 66 MPH. I have put the vehicle on a lift and removed the drive shaft, while in gear at the same speeds no vibration. Any information would be ...
1997 Ford F-150 Lariat 4.6L cerculation VIN: 1FTDX17W0V
I have a 97 f150. It will warm up, but as soon as the t-stat opens and you ard going 50mph plus the heater temp drops to around 115 degrees F. the upper hos will get hot, but the lower stays cool. amd it will stay that way untill the thruck is shut off and coo...
2001 Ford Taurus SE 2-Valve 3.0L No Crank VIN: 1FAFP55U21
I had this taurus towed in no start. Tested power and ground to starter relay, no ground from computer,scaned all systems for codes no codes in all modules including pats. The other thing that gets me is when it don't start the radio does not work in park and ...
2003 Ford Expedition XLT 5.4L traction control VIN: 1FMFU16L83
this vehicle is personal rig. it has the auto 4wd,4 high and 4 low and advance trac setup. when vehicle is running and go to shut off, the check advance trac briefly comes on in the message center. doesn't matter where the steering wheel is at or if the brake ...
2003 Ford Focus ZTW 2.0L engine computer VIN: 1FAFP36353
Engine starts good but CEL is on and cannot communicate with scan tool(Modis PRO or OTC scan tools) Fuses are good has anyone else run into this kind of problem
2001 GMC Jimmy SLE 4.3L Poor Idle Quality, Cuts out, Misfire VIN: 1GKDT13W51
Customers said problem occured after start up, no prior complaints, check engine light on runs rough at idle or under load, found codes PO122, PO155, PO300, PO440, PO452. Miss fire counts in history on #5 and #6 are 40 to 50k each other cylinders range from a ... Trouble codes: P0122, P0155, P0300, P0440, P0452
2002 GMC Sierra 1500 SL 4.3L No Start, Flooded VIN: 1GTEC14W42
Towed into shop quit while driving. Checked fuel and spark [ok] removed plugs [flooded] Replaced cap,rotor,wires and plugs. [engine still flooded and backfires] Checked injectors for leakage with gauge [did not drop] Still replaced with good used spider to rul...
2007 GMC C7500 Topkick C7C042 7.8L batterys VIN: 1GDL7C1B17
This truck does sit quite a lot so the small draw does kill the batteries. Have narrowed the source down to a 50 amp maxifuse located at right side of engine compartment at heater case area. The fuse is marked Ignition #4. Does anyone have a circuit diagram of...
2002 Honda Civic EX 1.7L emissions VIN: 1HGEM22972
I am having trouble with code p1457 evap system where we have check for leaks and no leaks were found, this seems to be a very common problem with civics,we checked the canister vent shut valve which is common in most hondas but this one don't have any leaks a...
2008 Hyundai Tiburon GS 2.0L Unknown VIN: KMHHM65D28
unfortunately am waiting for customer to let me know if code returns and under what condition it does return, would like to know if knock sensor is common problem on these or if wiring or other issues could cause same code to come on, only has 45k on vehicle
2006 Jeep Wrangler SE 2.4L steering VIN: 1J4FA29156
Jeep came in with bad shimmy over 50mhp when you hit a bump. Per tsb replaced parts above. Still has shimmy(death wobble!). Have tried another set of tires with no change. Have not tried new wheels. Has no excess play in ball joints, tie rods or drag link. Im ...
2005 Land Rover LR3 SE 4.4L Timing VIN: SALAD25475
Fellow techs i have a question on this land rover has a blown head gasket i had one of my mechanics tear it down i told to him to make his own reference mark on the chains and sprockets since i could not visually see any mark and alldata didnt offer any timing...
2002 Lincoln LS 3.0L fast idle VIN: 1LNHM86S82
i have changed iac motor5 times with varied resultsit wants to have high idle as if cruse was on. very slow to return to base idle has no vac leaks
2004 Lincoln Navigator 5.4L Ride Level VIN: 5LMFU27RX4
We have this 04 Lincoln Navigator that came in on the ground. All 4 wheels where tucked in under fenders. Customer stated while driving he hear a pop and car came down. So car is inspected and we find right front air bag blown out and shock leaking. When we tr...
2001 Mercedes-Benz E320 3.2L Alarm VIN: WDBJF65J61
We have an E320 here, and the alarm goes off randomly, and frequently. When the customer dropped it off, the alarm went off 5 times within 30min. When you lock the doors, the alarm will go off almost every time within 40-60sec. The following codes keep coming ...
2010 Mini Cooper Clubman 1.6L front door windows VIN: WMWML3C53A
Thanks for any input . Car was dropped off with a slipping clutch . Replaced the clutch and now we do not have window function . The battery was disconnected during replacement (negative terminal only) . The windows were functional prior to replacement of clut...
2004 Nissan Titan LE 5.6L Excessive Emissions, Misfire VIN: 1N6AA07B84
engine runs extremely rough-will not rev over 2500rpm-cleared p0340 code and it has not reappeared-cam sensor is reading on scope-I am assuming it got in there from previous shop playing with it.smells pig rich out the exhaust.the main problem I see is the fue... Trouble codes: P0340 (Cam sensor)
2006 Nissan Xterra X 4.0L engine VIN: 5N1AN08W76
Codes according to info talk about Valve timing control performance. That's all those codes refer too. I would surmise (and I hope I'm wrong as this is going to bite me in a**) the valve timing is off slightly? We thought we nailed it using the colored links a...
2007 Nissan Titan XE 5.6L engine VIN: 1N6AA06A87
Vehicle came in for overheating while driving, we couldn't find anything wrong, except the gauge would read 240 degrees and the block temp was 215. So the customer just had us replace, thermostat, sensor and fan clutch and took the vehicle. He returned 2 weeks...
2002 Oldsmobile Bravada 4.2L lf wheel VIN: 1GHDT13S62
This noise is not constant. Sometimes it is present anytime vehicle moves forward or reverse. Always more pronounced when turning right. Sometimes only makes noise when turning right. Have had left front down to wheel bearing twice in last week trying to find ...
2004 Pontiac GTO 5.7L Cuts out, Misfire, Reduced power VIN: 6G2VX12G94
This car came in with complaint of no engine power. We checked for codes and none were present but if you turn off the traction control system the car runs great with no problems. Turning on the traction control system it goes back into reduced power.We scanne...
2002 Saab 9-3 SE 2.0L Unknown VIN: YS3DF58K72
auto came in with vibration at 50 mph according to customer. I test drove I felt vibration all the time. put car in the air and found a ton of up and down movement in both front axle shafts. so I replaced them. test drove still have vibration. real bad at 50 m...
2009 Subaru Forester XT Limited 2.5L catalytic converter VIN: JF2SH66679
Hello group. The car had a blown turbo and a rod knock. I have the vehicle back together after replacing the crank and bearings and the turbo. It has been run over 5000 miles since the repair. The problem is a po420 catalyst below threshold. There was no probl...
1995 Toyota 4Runner SR5 3.0L 3-2 downshift VIN: JT3VN39W6S
Looking for a toyota tech for some help. I have this 94 4runner that when cold will shift fine but when reaching 40 mph and backing off the throttle will downshift and hold itself in 2nd gear. It will upshift if you work the throttle around but sometimes it wi...
2005 Volvo XC90 2.5T 2.5L Mechanical VIN: YV1CM59205
I have this here Volvo with oil leak from above water pump not cam seals wondering if any known head gasket issues. I have dye tested can not pin point this leak. Any Volvo techs ever seen this?

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 Audi A3 TDI 2.0L Hesitation, Misfire, MIL Lamp on VIN: WAUKJAFM8A
Fuel Pressure is at 50 BAR. I got this from Ross-Tech: Was any work involving the timing belt performed on this engine? While the Cylinder x Injection Timing codes can be caused by issues with the cam sensor (G40) or crank sensor (G28), wondering if the eng... Trouble codes: P020B, P13D3, P020A, P13D0, P13D6, P13D9.
1995 Chevrolet Camaro Z28 5.7L EBcm VIN: 2G1FP22P5S
The high mount brake lamp was out,I replaced the two # 194 bulbs and that took care of issue, thanks all for your help !!!
2007 Chevrolet Suburban 1500 Z71 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNFK16377
Found the problem. Something happened to the exhaust lifter on cyl #3 like it went solid or something. When i performed the leak down test, i did it with the rockers off (thinking valve sealing issue) when i bolted the rockers back on i could see the rocker ... Trouble codes: P0300 (Cylinder Misfire).
2004 Dodge Ram 1500 ST 5.7L Transfer Case VIN: 1D7HU18DX4
Thanks to all who helped. Overlooked a broken white with green wire. Repaired & all is well.
2008 Dodge Charger R/T 5.7L Shifter interlock VIN: 2B3LA43H38
Well itís fixed, thank you for all the posts. Iíll start by restating the problem, it would not shift from park at all, even with several brake pedal applications, if it was started with the brake applied, scan data in the abs module would show brake pedal sw...
1999 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality VIN: 1FMPU18L4X
Further testing found bank two compression low, customer declined pulling valve cover to check timing chain instead traded off vehicle, suspected timing chain has jumped or broken guide due to noise. Trouble codes: P0156, P1151 (bank 2 sensor 1).
2005 Ford Escape Limited 3.0L Alternator VIN: 1FMCU94135
well it's all came out through the wheel well after removing the axle.we didn't need to lower the cradle or jack up the engine.every thing was tight quarters but i've seen worse.Thanks again to everyone for all the time and helpful replies.It's always...
2006 Ford F-450 Super Duty XLT 6.0L Batterys VIN: 1FDXF46P36
2011 Ford E-250 4.6L Cuts out
Reflashed which fixed the unstable running condition but it does randomly stall on decal. Any ideas on that? Trouble codes: P0130, P0150.
2004 Hyundai Santa Fe GLS 2.7L Steering VIN: KM8SC73D24
Sorry for taking so long to close this one out, but after three aftermarket reman pumps, new reservoir, and flushing with four gallons of fluid, I finally ordered a new pump from Hyundai. This was the fix. I did find this answer in an old closed fix. My ans...
2008 Infiniti G37 Sport 3.7L oil pan VIN: JNKCV64E08
Thanks for the two replies. As they stated, timing cover removal was not necessary. Not a bad job, lowering the subframe and jacking up the engine made removal easy. Thanks again.
2000 Isuzu Trooper Limited 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: JACDS58X0Y
Sorry for the delay on closing this - wanted to make sure it is fixed. What we ended up finding out was this had a small air leak from the throttle body gasket. It almost couldn't be seen with the smoke machine. You really had to look for it. Turns out som... Trouble codes: P0101 (Mass air flow system performance).
2001 Jeep Grand Cherokee Laredo 4.0L cooling fan VIN: 1J4GW48S01
found bad signal from pcm,customer just wants aftermarket relay installed instead of buying pcm
1991 Lamborghini Diablo 5.7L Compressor VIN: ZA9DU07PXM
We ended up calling the dealer for guidance. They are telling us that the control head unit is usually the problem when this happens. All pressures were within spec, all grounds were good. We did not fix the issue. Customer purchased/picked up the vehicle in i...
1999 Lexus ES300 3.0L Camshaft VIN: JT8BF28G1X
I was waiting to get vehicle back on the road to close this request. As several of you stated that on the right head you line up the two dots an the camshaft gears [ intake and exhaust ] and on the left head you line up the single dots. To clarify these are th...
2006 Mercury Milan Premier 3.0L engine VIN: 3MEHM08116
Thanks to all. I sent this to the dealer and they found a burned out ECM. Customer needs $2K for this. Thanks again.
2011 Nissan Juke S 1.6L No Start VIN: JN8AF5MR7B
Sent this one to the dealer. Turns out the computer was bad, I checked for injector pulse and ignition fire and both were good, not sure what I was missing. Was called and told the computer got it running but it was missing on #3 cylinder and it would be $12...
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