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Prev Professional Automotive Repair Technical Discussions for August 11, 2014
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Help Request Answers
2006 Audi A8 Quattro 4.2L starting VIN: WAULL44E16
hello,I could use heads up on this 2006 A8.The issue is when turning key to full start position,there is about a 5 second delay before starter engages.I am just in preliminary stages here and have checked basics,{battery connections etc.]I scanned start author...
2000 BMW 740iL 4.4L Hesitation VIN: WBAGH8342Y
Car has a stumble, misses on hard acceleration. Feels like low fuel pressure but is 55psi.Lean miss popping in intake. Smooth acceleration will go up ok ?
2008 Buick Lucerne CX 3.8L 1-2 Shift VIN: 1G4HP572X8
Hello , Do anyone know if a 4t65-e transmission will up shift from a stand still at 100% throttle opening ? I think this could be a normal condition. 99% and below the transmission will up shift. Thank you AL.
2001 Cadillac DeVille 4.6L No Start VIN: 1G6KD54YX1
This car came in for check over after the purchase of this car. It had many codes for misfire, TCC, Secondary air pump, crank and cam codes and PCM memory. The battery died over night and I charged it up in the morning and did a compression test and injector d... Trouble codes: P0300, P0335, P0340, P0385, P0410
2006 Chevrolet Uplander LS 3.5L ABS Module VIN: 1GNDV23L76
This vehicle came to the shop with a couple of issues. EVAP large leak and Fuse #13 at Under hood fuse compartment blown. EVAP is repaired however ABS remains an issue. Found original ABS module was shorted to ground internally causing fuse #13 to blow. Replac...
2007 Chevrolet Silverado 3500 HD LT 6.0L Fuel gauge VIN: 1GBJC34K07
This truck was towed in because it had died. I checked fuel pressure. Had no fuel pressure. Put gas in front tank and it started. Gauge shows 24% full and the front tank is empty but it never commands the transfer pump on. I can apply 12v to the tan wire at th...
2003 Chrysler Town & Country EX 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 2C4GP74L73
starts up in the morning , after it warms up it shuts down, we replaced the computer with a new one from the dealer, & still dose the same thing, the engine will stay running if i keep on spraying carb cleaner through the throttle body, so i replace the fuel p...
2007 Chrysler Pacifica Touring 4.0L MIL Lamp on VIN: 2A8GF68X37
Vehicle came from auction with no instrument cluster operation. Unable to communicate with scan tool. Initial inspection found C4 & C5 connectors unplugged from BCM. (auction shennanigans is my guess). I plugged the connectors back and cleared codes. Only code... Trouble codes: U1403
2007 Dodge Caliber SE 2.0L a/c pressure transducer VIN: 1B3HB28B37
No compressor request sent from pcm. High pressure reading 0 in live data. Verified 5v, ground and signal wire continuity. Replaced pressure sensor, replaced tipm. Need to test can bus c communication from tipm to pcm. Cannot find any tests in alldata.
2007 Dodge Caliber SXT 2.0L Driveability VIN: 1B3HB48B17
Ok, this is my daughters car. Getting ready to head off to college. She has owned this car for about 4 months. In that time i have replaced ALL of the suspension components.When she first started driving the car all was well, then one day on take off she could...
2009 Dodge Sprinter 3500 3.0L Lacks power on accel VIN: WD0PF4AC69
This vehicle has a lack of power on takeoff from a stop. After about 5 seconds it will accelerate fine and no further issues. Feels like a turbo lag. There are no trouble codes. The only thing we found is a small leak in the intercooler. We replaced egr cooler...
2010 Dodge Grand Caravan SXT 3.8L Cuts out VIN: 2D4RN5D18A
Engine will die at idle when sitting at a stoplight, intermittently, only above about 85 degrees. Dies as if you turned off the key, starts right back up. Occasionally will stumble on initial acceleration from a stop, feels like the same thing as at idle, engi...
1991 Ford F-150 Custom 5.0L Excessive Emissions, Poor Idle Quality, Stall VIN: 2FTDF15N9M
hello I am having an issue with this truck on startup it will surge and stall , but the fuel pump will continue to run with key on engine off (no TWO SECOND PRIME ) as soon as the pump eventually quites it will run like a champ ??? any ideas it has been to sev...
1994 Ford F-250 XL 7.5L Excessive Emissions VIN: 1FTHX26G4R
vehicle is failing smog test due to high nox levels With scanner hooked up and viewing pids egr solenoid is commanded on only under a very hard accell and not commanded on while under light load also noticed vehicle seems to go in and out of closed loop at 200...
2002 Honda Accord LX 2.3L Hesitation, Cuts out, Misfire VIN: JHMCG66552
Car Idles Pretty Good. Rev It Up Or Drive It Down The Road, Around 1700 rpm's Starts To Miss And Pop Through Intake. If Driving It Feels Like Exhaust Is Plugged But Did Backpressure Test And Was Ok. Customer Says Her Boyfriend Was Messing With The Exhaust. I T...
2006 Hyundai Tiburon GT 2.7L MIL Lamp on VIN: KMHHN65F46
Vehicle runs fine. Throw p0340 at second startup after clearing. Checked cam timing engine in time. When monitoring scan tool rise and fall or cam / crank correlation at idle will go out of spec. Spec is 36/98. When acting up will go 111/60. When rev engine ... Trouble codes: P0340 (Cam sensor code)
1998 Jeep Wrangler Sahara 4.0L Fuel gauge VIN: 1J4FY49S3W
Hi Techs! We have this jeep that came in with an erratic fuel gauge. New fuel level sensor w/pump installed at another shop recently, worked well for a couple weeks and now the gauge is still erratic. Performed instrument cluster test, passed, continuity is g...
2005 Jeep Liberty Sport 2.8L insufficient fuel preassure VIN: 1J4GL48575
after engine replacement engine doesn't start fuel supply is good, no air in the system high pressure fuel system low pressure , injectors and pump tested, no fuel leaks, looks like fuel pressure regulator its dumping fuel to return line while disconnected . n...
2008 Jeep Grand Cherokee Laredo 3.0L MIL Lamp on VIN: 1J8HR48M18
Hopefully a Mercedes or Sprinter Tech can help out on this one. (same 0m642 engine series) Vehicle was sold as a trade in. (No past History Available). Replaced fuel filter first and re-road tested. (No change) Checked the inlet pressure (low at 40 psi)replace... Trouble codes: P0087 (Fuel rail pressure to low)
2003 Land Rover Range Rover HSE 4.4L Immobilizer VIN: SALME11493
Car was brought to us running. The way the customer is able to start the car is to disconnect battery and it will allow the key to start vehicle and restart only if you don not remove it from the cylinder. We have checked voltage on the blue wire feeding ignit...
1993 Mercedes-Benz 190E 2.3 2.3L Unknown VIN: WDBDA28D5P
car came in for no ac.. i recharged the ac and now it blows cold from the center vents..however the defrost vents are red hot and also hot air blows from the side vents.. i blocked offboth heater hoses and still blows very hot from the side and defrost vents a...
1998 Mercedes-Benz SL500 5.0L Unknown VIN: WDBFA67FXW
Hello folks, I have this 129 1998 SL500 that had a check engine light on. Installed Mercedes sds and cannot communicate with engine module. No contact with system or open circuit in diagnostic wire. Checked all fuses and base module, relays and wires. Removed ...
2005 Mitsubishi Fuso FE180 FE85D 4.9L MIL Lamp on VIN: JL6CCH1S75
Truck came for fuel/air/oil service and mil lamp on with lack of power. Replace oil / air / fuel / new oil ad road test, found lack of power and cannot exceed more than 59 miles per hour. I have not much experience on diesel engines. Please shed the light and ... Trouble codes: P0193 (fuel rail pressure sensor A circuit high input), P0254 (injection pump A rotor/ camshaft position sensor high.)
2004 Nissan Sentra 1.8L MIL Lamp on VIN: 3N1CB51D14
Any help on this car. Fail emission by 2 code u1000, u1001 found damage trans module replace by used and code u1001 gone also trans is on safe mode third gear. Also replace engine control module still same clean all grounds. Trouble codes: U1000 (When ECM is not transmitting or receiving CAN communication signal of OBD emission related diagnosis for 2 seconds or more.), U1001 (When ECM is not transmitting or receiving CAN communication signal of OBD emission related diagnosis for 2 seconds or more.)
1992 Pontiac Bonneville SE 3.8L Poor Idle Quality, Stall VIN: 1G2HX53L0N
Well this one came from antother shop so now its my headache. This vehicle will die intermittently when coming to a stop or at an idle. The car has no codes or misfires. I hooked a fuel pressure guage up and went on a test drive. when it does stall the fuel pr...
2005 Toyota Sequoia Limited 4.7L Poor Power VIN: 5TDBT48A65
I have a little LOL problem just started working in shop after 6 months off for open heart surgery and brain is pretty fuzzy ! Vehicle brought in from Sears, Drives smoothly but No power Won't go over 3000 or so in 1 st etc, Feather throttle it will up shift .... Trouble codes: C1201 (Engine Control System Fault), C1223 (Fault in ABS Control System), C1247 (Fault in ABS Stroke Sensor), C310, P1442 (Fault in Secondary Air Injection), P1445 (Fault in Secondary Air Injection)
2001 Volkswagen EuroVan MV 2.8L Fuel Tank VIN: WV2EB47051
Originally came in with cel and codes p1198 o2 sensor b1s2 heater circuit malfunction and p0441 evap emmission control system incorrect flow,checked ldu vacuum line and found clear,checked operation of n80 and n115 valves ,pinched off hose front n80 valve and ...
2006 Volkswagen Jetta TDI 1.9L Abs & P/S Lamps On VIN: 3VWST71K66
We are using EURO with a Snap-On Modis- tried also clearing all systems- history showed Trans failure 18255-related to P1847-- Intermittent ABS Sensor RF, & 285-ABS Speed Sensor RF & Power Assist- 778- Steering Angle Sensor Code Customer also installed new ba...
2006 Volvo S60 2.5T 2.5L Surge, Cuts out, Stall, MIL Lamp on VIN: YV1RS59286
We have changed fuel pump 3 times, fuel pump control module once, fuel filter 3 times, fuel pressure sensor 3 times, drain and cleaned the fuel tank. After 30 min of hwy run time it starts losing fuel psi. If you kill the car and crank it up when its acting up... Trouble codes: P260D, P2600

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 BMW 325i 2.5L convertible top VIN: WBABJ6321S
Found and repaired the wires eaten by the mice that were causing the issue.
2002 Buick Rendezvous CX 3.4L ac pressures
Most of you were right there was a blockage on the high side caused by the desiccant bag coming apart thanks for all the help
1997 Ford Explorer Eddie Bauer 4.0L read post VIN: 1FMDU34E4V
So I need to start taking some of my own advice that I always give my techs. I was moving too fast and did not properly seal the intake plenum after replacing the harness. It seems to run just fine now after the vacuum leak repair and harness replacement. We h...
2005 Ford F-250 Super Duty King Ranch 6.0L Hesitation, Surge VIN: 1FTSW21P55
Sorry for the late close on this one. I was really hoping to get it fixed before I ran out of time. My sister ordered an EGR delete and I'm going to clean the Turbo and install that at the same time. I just finally got the truck back so hopefully I can get the...
2012 Ford E-250 5.4L parking lights VIN: 1FTNE2EL3C
Hello everyone this van is done and gone. Sorry about the delay in closing but it took some time to get this one narrowed down. I ended up cutting the wire goin to the rear lights right under the drivers step panel and wired in a seperate fuse so there was a...
2007 GMC Yukon XL 1500 Denali 6.2L Temperature VIN: 1GKFK66817
Fixed! We received 5 replies (very quickly, I might add) and 4 suggested the left temperature door actuator might be the culprit. We closed the shop for vacation and thus the long time between posts. The mechanic working on the vehicle volunteered to replace t...
2007 Honda CR-V LX 2.4L Tpms VIN: JHLRE38317
Thanks to everyone that helped!!! We finally got a Honda Factory TMPS and used our Bartech 400 and it programed no problem in about 30 secs... you guys are great! Thanks a lot!!
2005 Hyundai Santa Fe GLS 2.7L No Start VIN: KM8SC13D75
First of all,thank you all for so many offers to help me. All of you guys were right,it was the purge solenoid. The car is fixed,the customer is happy & so am I.Once again thank you all. Bill
2003 Mercedes-Benz SL500 5.0L sbc module VIN: WDBSK75F23
thanks for all of the replies,there is no doubt that repairing this module is out of the question.sbc is so complicated that only a factory unit will work customer is weighingis options,thanks or the help.
2003 Mercury Grand Marquis GS 4.6L a/c clutch
The wire harness was reversed and if alldata or [...] had these locations visible it would have been done in a second. Thanks Seth
2009 Nissan Murano LE 3.5L all electrical VIN: JN8AZ18W69
Well everyone I have decided to close this, as I have not been able to get the vehicle back. I would like to thank EVERYONE for there thoughts and inputs. In my opinion all of you are right. I do beleive that there is another problem with this vehicle causing ...
2003 Oldsmobile Silhouette Premiere 3.4L Mechanical VIN: 1GHDX03E53
It looks like the system had too much oil added. I recovered the system and found that the machine spit out more oil then usual. After I recharged it the temps were cooler and there was no gauge fluctuation. Thanks for all your help guys.
1998 Pontiac Firebird 3.8L Hesitation, Stall VIN: 2G2FS22KXW
we replaced all six fuel injectors and the fuel pressure regulator, the car idles and runs good , except on acceleration, is very sluggish until it picks up speed. advised customer that it needed an new maf sensor he declined further repair and is gonna finish...
2003 Pontiac Grand Am SE 2.2L Electronic VIN: 1G2NE52F63
Thanks for all the advise. We decided to perform the repair. What a pain! Being the first Grand Am with a 4T40 that I have done. I went with the leave on the carrier routine and did them with the carrier tilted and the trans tilted. Not real fun. ...
2005 Subaru Impreza WRX 2.0L Engine VIN: JF1GG29625
Thanks everyone that replied. I drove this car back and forth to work and did not hear anymore knocking. Didn't really want to take it back out to Colorado the way it was. I decided to tear down the engine. To my surprise I found the #4 spark plug outer electr...
2006 Suzuki Forenza Premium 2.0L Cooling Systems VIN: KL5JD56Z76
Removed cylinder head to inspect. Could not see anything wrong or obvious. Ordered another head gasket. Installed and torqued head 18ftlbs then 90 degrees 3 times. I believe i did this the first time. Its really tight on the last 90 degrees, but guess thats th...
2007 Toyota Camry XLE 2.4L Convertor VIN: 4T1BE46K37
I should of stated that I did not put this engine in. Here's the fix, before I removed the trans again I decided to have a chat with the owner as to what happened to the engine.(prob #1) Well, the owners son decided to take the car to school to do an oil chang...
2008 Toyota Camry SE 2.4L compressor VIN: 4T4BE46K18
Thanks for the information from all. Tried some of the suggestions. I ended up replacing the compressor again, and the pressures went to normal and it cools.
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