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Prev Professional Automotive Repair Technical Discussions for January 6, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
1994 BMW 740iL 4.0L 02 sensors VIN: WBAGD8325R
Please help I cannot figure this out Iv read that the pcv plate on the back of the intake manifold could be causing the problem but id think if it was bad it would be running rough all the time...
2003 Buick Park Avenue Ultra 3.8L Cold Start Valve Tap VIN: 1G4CU54163
Customer would like to have Lower Intake Manifold removed for replacing leaking Intake Gaskets as he adds Dex-Cool Antifreeze once a week or every 2 weeks. He states he noticed Oil Pressure was lower on the Information Center Read out & the valves would tap o...
2008 Buick Enclave CXL 3.6L Theft Deterrent VIN: 5GAEV23718
I have got this Enclave from another shop. They installed a battery and now the vehicle will not crank. It has codes B3031, B3055 and B3935 stored. The service theft deterrent system is also displayed. I tried the 10 minute relearn to no avail. I did try unhoo...
2002 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCGK29U72
This truck sets a code p0300 while driving. It does not apperar to have a missfire. It runs smooth at all times. In scanning it shows a missifre on cyl's 1 and 6 we have replaced all sprak plugs, swapped coils replace cam and crank sensors. We have tried to re... Trouble codes: P0300
2009 Chevrolet Suburban 1500 LT 5.3L Intermediate shaft VIN: 1GNFK26379
Customer lost 4WD shortly after we replaced the right drive axle. We found the intermediate shaft had "popped out" of the axle housing. On disassembly we found the thrust washers were distorted by some incredible outward thrust until they failed, pulling off t...
1999 Chrysler Town & Country LX 3.8L no communication VIN: 1C4GP54L1X
Hey everyone and Happy New Year. Concern: Transmission will not shift out of 2nd. Observations: PCM is only module able to communicate with. No modules on CCD Bus respond. Voltage on + and - is at 2.24 volts. Tests performed: all modules except for BCM were...
2007 Chrysler PT Cruiser 2.4L No Start VIN: 3C3JY45X27
Car came in No start battery dead . Charged battery . Now cranks will not start. No codes in PCM . Fuel Pressure tests ok at at 56 psi. Has spark ( Tested on 2 wires ). pulled plugs ,worn to .080 gap . Replaced plugs , still no start. Checked injector pulse wi...
1996 Dodge Ram 2500 5.9L Mechanical VIN: 3B7KF23C8T
bleeds normal. we have tried new rear cylinders because broken bleeder and replaced pressure switch for leak. still drops. replaced both calipers because when blocked off no more drop but when done still drops customer had the hydrolic unit replaced before but...
2009 Dodge Sprinter 3500 3.0L no start VIN: WDYPF4AC19
High pressure fuel pump replaced, same as before, crank no start.
1998 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRX17L8W
Ok, after reading the repair history, the customer came back, saying that truck was running worse. Scan data gave 4 codes. I had explained the last 2 times he was here that we needed to diag/repair the Fuel Pressure Sensor, because its reading a constant 5v. ... Trouble codes: P0171, P0303, P0453, P0401
1998 Ford Expedition Eddie Bauer 4.6L #8 Spark Plug VIN: 1FMRU18W1W
Hello all. I have a truck that came in with the #8 plug blown out of the hole. (Back one on the driver's side) What I would like to know, can an insert reliably be installed without removing the head? From what I can see with the scope, at least the top half o...
1998 Honda Odyssey EX 2.3L No Start VIN: JHMRA3872W
I have this odyssey in the shop it happens to be the bosses brothers car what has been happening is only when it is cold it has a crank but no start he winds up trying a few times and lets it sit then goes back out a few hours later and it will start up i don'...
2003 Honda Odyssey EX 3.5L Engine will not turn off VIN: 5FNRL18673
Hello everyone and help with this haunted monster. This Odyssey engine will not turn off when you have your foot on the brake until you take your foot off. The cruise control does not work either. The customer requested that I put a new brake light switch in....
2004 Honda Civic Hybrid 1.3L P1570 Hybrid VIN: JHMES96664
Hello everyone and help with this hybrid. I am not super learned about Hybrids but here we go. I have this Hybrid Civic in that the IMA/check engine lights are on. A code P1570 is stored, indicating that an IMA battery module individual voltage problem exists...
2011 Kia Forte SX 2.4L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: KNAFW6A38B
hey guys, this is for my own car, a 2011 kia forte koupe with a 2.4. I replaced the battery the other day (preventative maintenance, over 4 years old) and right after I did, the check engine light came on, and would go off, the idle quality was poor. scanned a... Trouble codes: P0106, P0453
2004 Lexus IS300 3.0L ABS light's on VIN: JTHBD19254
Dear Toyota & Lexus Gurus, really need help on this IS300.When ever you apply the brake slighty and the vehicle is rolling at slow speed then the brake & ABS light is come on along with the ABS pump kicked in. 8 DTCs can be retrieved: from C1271-C1278 & C1281....
2003 Mazda 6 i 2.3L Poor Idle Quality, Surge VIN: 1YVFP80CX3
Car starts right up cold but surges bad.3 to 5 min later car runs great no problems,runs down the road just fine,Only code is the PO340 camshaft sensor.Can not find any other problem but the sensor,Would guess that the camshaft is off.Car was 3 1/2 qts low on ... Trouble codes: P0340
1997 Mercedes-Benz C280 2.8L Charging VIN: WDBHA28E6V
Battery goes dead over night We have found the biggest draw comeing from the a/c heater controls, and the way we found this was by removeing the fuses that go to these parts, What we were thinking that a possible ign switch ??? But the problem is we havent se...
2002 Nissan Altima S 2.5L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1N4AL11E32
Hello, We have this Altima here that stops accelerating and goes into fail mode intermittently. I've checked the wires and connectors and all good, no short. I've replaced the throttle body many times as well. Performed all relearns as well. One time when I d... Trouble codes: P1128, P0507
2012 Ram 2500 SLT 6.7L head gasket VIN: 3C6VD5GL8C
Truck will start to overheat and eventually the thermostat will open up and drop the temp down to normal. System seems to be building a lot of pressure also. I moved the truck maybe 25 yards and when i released the pressure on the cooling system it all shot in...
2005 Suzuki Reno S 2.0L Driver's side airbag
Hi everyone, I have this Suzuki Reno with the airbag light on. There is only one fault code B1378 Driver's side airbag resistance too high. I have read about the problems with the wiring under the seats and have checked the connectors and wiring and all is goo...
2003 Volkswagen Passat W8 4.0L ABS Module VIN: WVWUK63B93
Unable to Code this ABS Module after replacement. This is a brand new module. Using login code 08497 as deciphered from Ross-Tech. Using Vag-Com When I login using this code the login screen closes, don't get a message saying login successful as I thought usua...
2008 Volvo XC90 3.2 3.2L Unknown VIN: YV4CY98298
this vehicle is making a loud whistle from what sound like the intake system. has any one had any experience with a problem like this. after the engine is shut down the noise will gradually fade away take about 2 seconds this is what makes me think it in the t...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Acura MDX 3.7L Unknown VIN: 2HNYD28347
Thank you, thank you, thank you to everyone who responded. It seems I fell into the "I just replaced that part it can't be bad" trap. The right front axle was in fact bad out of the box. That axle was my original diagnosis. Again thanks to all who helped.
2006 Audi A4 2.0L Shifter VIN: WAUAF78E06
We opt to do two things suggested! One was to remove the console and look for coins and we did find loose change and removed it. The other was to replace the brake light switch and we did that in addition to removing the coins and the car has been on the road ...
1986 BMW 524td 2.4L No Start VIN: WBADB2406G
Man I don't know what I would do without iatn,You guys that replied are life savers Here is what we did we were able to set the timing thanks to Chuck from Florida . Once we got it set we blead the heck out of it thanks to William and after it finally starte...
2006 BMW 325i 3.0L Mechanical VIN: WBAVB13526
Thank You all for the Help I've received. I agree and accepted all replies was true that it needed a Control Unit since I reset the DTC , 2AB4 code came back. I also noticed the RPM stayed at Zero at idle and the MPG needle fluctuates rapidly and stabilized af...
2008 Chevrolet Equinox Sport 3.6L MIL Lamp on VIN: 2CNDL03708
First, thanks for the replies. Jesse, I did the thrust washers when I did the chains.Special thanks to Jean...that is a good tip about cam bearing cap inspection. The customer can offer no proof of oil change history since the chains were done. He is not going... Trouble codes: P0008.
2004 Dodge Dakota Sport 4.7L Lr Stop And Turn Lights VIN: 1D7HG38N34
2008 Honda Civic EX 1.8L No Start, Poor Fuel Economy, Sluggish up hills VIN: 2HGFA16808
So, I was really hung up on the low vacuum and I decided to recheck the engine timing. I realized that I was not confirming that the crank was @ TDC #1 when the cam gear was lined up. On this particular vehicle there are timing alignment marks on the crank pul...
2000 Jeep Grand Cherokee Limited 4.7L Shifting VIN: 1J4GW58N2Y
Did some more exploratory to cover myself, as really dont like telling a customer you need a new transmission if thats not it. But yeah came to the same conclusion, Transmission is cooked. Ive done everything already that was suggested.
2004 Mazda Miata 1.8L 4th and reverse gear VIN: JM1NB353X4
It appears that the tech pulled the allen head screw on the right side of trans thinking it was the fill plug causing the reverse shift fork to drop.Thanks for all the help
1993 Mercedes-Benz 400SEL 4.2L Cuts out, Misfire VIN: WDBGA43E1P
Residue on caps definitely oil, not coolant. Caps cleaned and car acted up momentarily on short drive, this time in dry conditions, OK once back at shop. Rotors inspected, no evidence of burn through. Repeated test drives over the last week all OK. Since car g...
2004 Toyota Sienna XLE 3.3L ABS/Traction Control VIN: 5TDZA22C44
Strangely, the customer replaced his front tires and the problem went away for a while. Then a few days later he said it still did it, just not as bad. I plan on replacing the steering rack bushings. That seems to be the real source of the problem. The only wa...
2012 Volkswagen Jetta SE 2.5L No Start VIN: 3VWDP7AJ9C
Another wrecked '12 Jetta was brought into the shop with the same crash shutoff code and this vehicle started and ran. When I got up under the dash to start checking the wiring to the 2 power relays needed to engage the starter I found a Pass GPS device buried... Trouble codes: 05641 (crash shutoff triggered).
2002 Volvo V70 2.4T 2.4L Engine VIN: YV1SW58D42
Thank you all for your help! This is exactly the kind of advice we were looking for. Basically, we did everything you guys mentioned and it went just fine. Replaced all PCV parts, cleaned sludge out of ports in oil pan and resealed, and made sure to clean the ...
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