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Prev Professional Automotive Repair Technical Discussions for October 30, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Acura Integra LS 1.8L No Start VIN: JH4DB1650L
Thanks in advance for any help, this is my first time posted a help request but i have found this site very helpfull in the past. This vehicle came in with a intermittent no start and driveability issue. The customer had replaced the fuel pump, distributor , e... Trouble codes: 03 (Map sensor)
1999 BMW 528i 2.8L Poor Idle Quality, Low power VIN: WBADM6333X
OK BMW guys, I have put my self in a hole here. 99 528i with an M52tu, started off as head gasket and coolant passing through cracks at the intake valves, sent head out for repair, timeserted all the head bolt threads and re-assembled the engine. Started up en... Trouble codes: P1397 (Camshaft position sensor B circuit)
2005 BMW 330xi 3.0L Poor Idle Quality, Misfire VIN: WBAEW53475
Hi all. We have this BMW that runs fine except on initial cold start(overnight)It spits and sputters and backfires through intake.After about 1 min. or so it runs fine.It sets multiple misfire codes(allcyls.)No other codes.Plugs were fouled so we replaced them...
1995 Chevrolet C3500 5.7L clutch VIN: 1GBJC34K3S
Truck came into the shop with a bad squealing problem. Found the noise to be coming from the throw out bearing. Pulled the trans and the throw out bearing came out in pieces. Went ahead and installed a new clutch set. Now, the clutch will not disengage. Tried ...
2006 Chevrolet Corvette Z06 7.0L P0622 message "Check charging system VIN: 1G1YY26E16
The alternator is working in this car. The battery is new. I have a constant 12v and 5v signal to the alternator. Pcm is commanding 100% field too much it appears and is setting the message. The problem I am seeing is current. From the alternator to the fusebo...
2009 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT57K49
hello everyone I have a impala that has a p2127 accelerator potition senser code when I look at data on my scanner the pedal voltage changes smoothly/I unplugged pedal and applied stabilent to conector cleared code and road tested and code did not reset I let ... Trouble codes: P2127
1992 Dodge W250 5.9L Mechanical VIN: 1B7KM26C9N
alright diesel techs I need help. we have a truck hear, that brake fluid is disappearing. we have had brakes apart several times looking for leaks. which no leaks found. we have had a master leaking one time and replaced it. we had it come back again with flui...
2007 Dodge Ram 3500 SLT 6.7L Excessive Emissions, MIL Lamp on, no off idle power VIN: 3D3MX39A67
Unit originally came in with P1507. Crankcase filter restriction. Lack of power complaint. Replaced with Mopar 6800 2433 AB filter assy. Cleared codes, Road tested and had better power, and no turbo surge sound like before. Attempted to clean debree from in fr... Trouble codes: P0087 (Fuel Rail Pressure Too Low), P1011 (Fuel Pump Delivery Pressure to Low)
1994 Ford F-250 XL 7.3L No Start VIN: 1FTHX26FXR
This vehicle came in for a long crank. It is...about 12 seconds before ICP will build to the necessary 500 psi to start. Block off oil to both banks and the gauge shows near 5000 psi within 1-1/2 seconds. This indicates HPOP and IPR function are ok. Block ...
2000 Ford F-150 Lariat 4.6L Spark plug VIN: 1FTRX17W4Y
The truck came in with the spark plug blown out of cylinder #6. This is/was my first attempt at using the timesert repair kit. It seems while doing the last step, using the Insert Driver, I ran it too far into the insert, so that the threads of the driver are ...
2002 Ford F-150 Lightning 5.4L cruise control VIN: 2FTZF07302
This truck came to me with the cruise inop. I tried to run the cruse self test, and it will not enter the test. There are no codes in pcm. The strange part is the green cruise light on the instrument cluster will flash every 7 seconds when the key is on. It wi...
2003 Ford Focus SE 2.3L Hesitation VIN: 1FAFP34Z63
Hello everyone and thanks for the help. I have this Focus with 141,000 miles on it. The vehicle came in for complaint that the vehicle lacks power when accelerating intermittently. The check engine light is also on with a code P1235 stored in the PCM memory, i... Trouble codes: P1235 (Fuel pump driver module out of range)
2006 Ford Taurus SEL 3.0L Poor Idle Quality VIN: 1FAFP56U96
car came in for idle issues tested exhaust fuel pressure,smoke tested blocked egr have tried maf sensor everything seems to be in spec dpfe, cam sync, tps voltage. Short Fuel trims intermittently go to +45 and lg stay at 0 percent raising the idle does bring t... Trouble codes: P2197
2006 Ford F-150 XLT 5.4L no 4x4 low range no overdrive VIN: 1FTPW14V86
I would like to thank you guys ahead of time this truck has caused a lot of restless nights vehicle was bought at the auction so we have no history of former problems or any former history of repairs we do know that the manual position lever has been replaced ...
2007 Ford Mustang 4.0L Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1ZVFT80N47
Replaced harmonic balancer 6 months ago, it was coming apart but no codes. Vehicle came back with codes P061b, P1336, customer claiming vehicle bucking, surging and stalling. No real problem found but customer was willing to take a gamble at typical issues. Cl... Trouble codes: P061B, P1336 (Cam/Crank correlation)
2007 Honda Civic LX 1.8L Fuel Gauge VIN: 1HGFA15567
Greetings everyone, I know this is not the usual procedure but I was hoping for a little insight. No tests performed as yet. I have a customer that was certain I would think he was crazy because every time this fuel gauge would misbehave he would tell me about...
2005 Jeep Liberty Renegade 3.7L Misfire, MIL Lamp on VIN: 1J4GL38KX5
this jeep came in for check engine light on found cat to be bad and also has miss fire on number 4 cylinder.misfire is most noticeable at idle high way speeds you feel nothing.verified mis with scanner on number4.i swapped plugs and coil and injector to see if... Trouble codes: P0430, P0304
2008 Jeep Wrangler Unlimited X 3.8L Transmission VIN: 1J4GB39198
Hello and Thanks for looking at this help request!! Customer dropped off vehicle with complaint of no upshift. He said it was fine then it just quit shifting. I connected scanner and found transmission was in limp mode.It also had a pending code P0882 in Tr...
2006 Kia Sedona LX 3.8L misfire VIN: KNDMB23326
I have here a problem child sodona 06 3.8,, misfires cyls 1 & 5. Tried plugs and swaping coils around no help. Went back and replaced 1 & 5 injectors no help..?? seems to run ok exept at idle in gear. And sugestions. It has 109,000mi
2005 Lincoln Town Car Signature Limited 4.6L No throttle response VIN: 1LNHM82W65
I am a quite confused by this car. Customer said that the alternator was overcharging and he replaced it himself. As soon as he reconnected the battery, the car wouldn't accelerate past idle. It had the 3 codes listed above when it got to the shop and the litt... Trouble codes: P2104 (TAC system forced idle), P2110 (TAC system forced limited RPM), P2112 (TAC system stuck closed)
2006 Lincoln LS Sport 3.9L Power steering pressure hose VIN: 1LNFM87AX6
The customer complaint of a "pop" then lost power steering.We found "O" ring blown out of fitting at pump. We replaced the hose with aftermarket hose that we had to wait a week for. Ford had no pressure hose available in North America. The new hose leaked be...
2002 Mitsubishi Montero Limited 3.5L Abs Ecu VIN: JA4MW51R62
THANK YOU IN ADVANCE FOR YOUR HELP!!! vehicle came in with no power assist, very hard pedal, abs light, brake light, and constant warning buzzer. found codes 53 78 18. pulled up the trouble tree for code 18 disassembled center console and unplugged connector E...
1999 Nissan Maxima GLE 3.0L Battery Draw VIN: JN1CA21D6X
Looking for some help with a battery draw. It has a draw of 536ma I know that is to much I found if you unplug the alternator the draw goes away so I figured it was the alternator but we have put 6 on it and they all do the same thing the draw goes a way if yo...
2010 Nissan Maxima S 3.5L Door Locks VIN: 1N4AA5AP1A
When unlocking either front door with the door knob button (switch) located on the door handle both doors lock and unlock like they are supposed to but the key lock buzzer does not beep. The exterior lights do flash. I have scanned the BCM and am able to opera...
1994 Oldsmobile 98 Regency 3.8L No Start VIN: 1G3CX52L9R
This car will some times start and sometimes not 50% of the time. No spark when it wont start. When it does start it runs perfect. Cam and crank sensor have been replaced as well as the crank pulley. Ignition module was replaced a little over a year ago (diffe... Trouble codes: P0341 (Cam/crank error)
2005 Pontiac G6 GT 3.5L No Start, No Crank No Communic VIN: 1G2ZH54825
We had a customer who had an aftermarket stereo installed in this 2005 Pontiac G6 to replace a stolen factory stereo and factory Monsoon sound system. After that it would not start. The installer then "Unsoldered" and disconnected all of the wiring that he did...
2007 Porsche Cayman 2.7L Mechanical VIN: WP0AA298X7
I am looking for some help or information from a Porsche technician. I understand that these cars have a problem with smoking on start up and according to several forums and sites this is normal. This car sits most of the time and only smokes on start up. We h...
2004 Saab 9-3 Aero 2.0L p0733 3rd gear VIN: YS3FH49Y64
vehicle came in with low coolant light on and we found leak in radiator replaced radiator but during replacement line for transmission came off leaking fluid while idleing shut vehicle off and repaired line refilled transmission to proper level and while the c...
2000 Toyota Echo 1.5L brake booster VIN: JTDAT1238Y
This car came to us with the complaint of a intermittent hard brake pedal and a rough idle at the same time. After many test drives it acted up. Since I was off the day it came in, another tech at my shop diagnosed it as a faulty IAC motor. I was skeptical, bu...
2002 Volvo S60 2.4L Trans VIN: YV1RS61R22
This volvo was towed in a few months back with a bad engine customer drove it with no coolant till it quit.ok get a good used eng. And replace job went well motor runs great but won't move trans fluid looked like old motor oil. Customer then tells us trans did...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2011 Buick Enclave CXL 3.6L Cooling Systems VIN: 5GAKVBEDXB
Thanks to all replies. Of course the water pump fixed it. I suppose I was putting to much pressure on the system when I was testing it. I should have been putting 10 psi on the system. By the way, it was covered at the dealer.
1981 Chevrolet Corvette 5.7L no auto shift VIN: 1G1AY8768B
Thanks for all the help, most replies said that it had to be the modulator or the governor. Well I had allready tried a modulator and had good vacuum to it. so I pulled the valve body off and found some grit in the detent regulator valve, cleaned out the whole...
2000 Chrysler Voyager SE 3.3L I / M flags VIN: 2C4GJ45G2Y
Well I explained to customer it was not running I/M flags due to E85 % being too high and it had to go through some refueling events and to return after they drove it and refueled it a number of times. Apparently they had already received a ticket for no inspe...
2003 Chrysler PT Cruiser GT 2.4L Noise turbo VIN: 3C8FY78G23
2003 Chrysler Sebring LX 2.4L starter VIN: 1C3EL46X23
this is a case of monkeys have played, and I didn't go all the way back to basics. the main ground wire that bolts to the tranny was just laying under a wire harness making intermittent connection.
2005 Chrysler 300 Limited 3.5L Misfire VIN: 2C3AA53G75
Did leak down test & found exhaust valves leaking.Computer shutting down cylinder to protect cats ,causing the severe shaking(felt like front end coming apart)Sent head out had valve job. Runs like a champ. Wasn't expecting that issue due to car idled & drove ... Trouble codes: P0305 (Cylinder 5 misfire).
2005 Ford F-150 Lariat 5.4L Valve Train VIN: 1FTPX12585
Thanks, guys, for the input. I would have LOVED to just install a reman and be done with the whole damn thing, but... one within the customer's price range was not available, and we were MORE than fair with him on the previous parts and labor (yum yum). The ...
2008 Ford Escape XLT 3.0L Key In Warning VIN: 1FMCU03188
As stated in the update, the issue appears to have been a somehow shortened acutating rod in the column lock module between the lock cylinder and the ignition switch. A perfectly satisfactory repair has been found by taking a trim fastener and sizing it to fi...
2004 Kia Sorento EX 3.5L ignition VIN: KNDJC73344
Thank you to all who replied, this one really stumped me! When i was removing upper timing covers to replace valve cover gaskets the covers crumbled and a piece of the cover had fallen into the lower cover,without my knowledge, which in turn got between t...
2003 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMB11453
Thanks for the excellent info in the replies,but my trouble in diagnosing this thing was because I accidentally un plugged the transfer case servo motor instead of the control unit. Naturally that's where the can bus fault was. Looks like it was caused by wat... Trouble codes: P0000, P0000, P0000.
2001 Lincoln LS 3.9L engine VIN: 1LNHM87A91
The customer declined to do any further diagnostics on the vehicle. The next course of action would have probably been to unbolt the torque converter. It felt more like that kind of vibration but I will never know. Thanks for the replies.
2001 Mercedes-Benz C240 2.6L compressor & condesnser fan VIN: WDB2030611
Hi Friends, after follow and do all the sugestions that you send to me, I canīt fix the problem. I went with the car to a dealer shop and they made a diagnosis: the ECM is the problem, it is stucked in a security mode and the only solution is to get a new one ...
2012 Mercedes-Benz GLK350 3.5L No Start VIN: WDCGG8HB0C
I had the vehicle towed to the dealer. All they had to do was program the air bag module. The module must have locked out the cranking mode of the pcm for safety reasons. I did not have the factory scan tool to program the module. I also could not find the ser...
2005 Mercury Sable LS 3.0L No Start VIN: 1MEFM55S85
this one is fixed.while the car was running I happened to lean on the under hood fuse box and the car sputtered and shut off.i unclipped the fuse box and tried to start car and sure enough it started,i then wiggled several wires and car shut off.what I found w... Trouble codes: P0191, P1223 (Fuel pump driver module off line).
2006 Mercury Grand Marquis LS 4.6L wiper motor VIN: 2MHFM75V26
I fixed it! I removed the new motor & inspected it closly. I found 1 of the small pins in the center had bent over & was touching the pin next to it. I straightened the pin & reinstalled the new motor. Problem fixed. Strange that it involved the same circuit t...
2004 Nissan Xterra XE 3.3L Door Locks VIN: 5N1ED28Y14
So after trying the entrance control unit problem was still there. I had discounted the switch since it was working with the lights on but I decided to pull the switch and the backing off and found that something on the circuit board had exploded. So I put a n...
2007 Nissan Murano SL 3.5L Pwr. Window VIN: JN8AZ08T37
It turns out after removing the motor from the assembly, there is no reset button on it. Eric had the solution that worked. Remove motor, connect the plug to it and activate the motor to free-spin in the up position but not auto for 5+ seconds. This seems t...
2005 Pontiac G6 GT 3.5L No Start VIN: 1G2ZH54815
Thank you everybody, that was a poor ground problem during installation, we remove and clean all three ground wires around the bell house the veh. starts properly. thanks.
1993 Toyota Camry LE 2.2L Poor Idle Quality VIN: 4T1SK12E7P
Thanks to everyone that replied. After testing everything possible ended putting an ECM in from the junk yard and its fixed. After scoping ECT, TPS, ISC, distributor, and cheking timing belt the only other thing it could be is an ECM since all sensor inputs we...
2005 Volkswagen Beetle GLS TDI 1.9L Airbag Light VIN: 3VWCR31C65
This one is fixed. Thank you for the replies. Some of you said to unplug the aftermarket radio (if it has one, which it does). I did that and now I am able to communicate with the SRS module. I had a laundry list of codes, but I'm sure I created them when ...
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