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Prev Professional Automotive Repair Technical Discussions for March 12, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2005 BMW X5 3.0i 3.0L Misfire, MIL Lamp on VIN: 5UXFA13535
Under normal (50% tp or less) code never sets. If you accelerate at wot the light comes on at 6k rpm and p302 sets and the pcm disables the fuel injector. The misfire is never felt, only felt when the pcm disables the injector. Pull over and cycle the key and ... Trouble codes: P0302
2006 Chevrolet Impala LS 3.5L Misfire VIN: 2G1WB58K46
A test drive confirmed an intermittent random misfire (no codes). As the car traveled uphill in high gear loading the engine (misfire only occurs on the climb- and before the normal downshift occurs. The misfire will stop as pedal is depressed and TQ unlocks a...
2006 Chevrolet Monte Carlo LT 3.9L Surge, Stall VIN: 2G1WK15156
first off thanks for takeing the time. This monte carlo we got from a auction with this surge. we have swapped out many parts and even took it to the dealer and they couldn't find anything. just sold us a BPP sensor. I have scaned it has no codes in her. every...
2007 Chevrolet Silverado 1500 LTZ 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19087
Truck came in yesterday with 3 history codes: P0300 Random missfire, P0521 Engine oil pressure performance and P0573 brake switch circuit high. Check engine light was off. We checked oil pressure and replaced the sensor and replaced the brake light switch. Mon... Trouble codes: P0300 (Random Missfire)
2002 Dodge Ram 3500 5.9L Surge, Stall VIN: 3B7MC33672
On take off, this truck will have a stall or rpm limit right at 2000 rpm, or 20 miles an hour if it is going to happen. light throttle or open throttle, it has to have this 5 second wait. It doesn't always happen, but if it does it, is the first drive off. Onc...
2005 Dodge Neon SXT 2.0L camshaft position sensor VIN: 1B3ES56CX5
not very familiar with dodge are there any other tests that I could try? I am suspecting a faulty pcm but not sure if there is anything I may be overlooking that I don't know about any help with this issue would be greatly appreciated thank you
2007 Dodge Ram 3500 ST 5.9L Excessive Emissions VIN: 3D7ML48C77
Ok guys our diesel tech quit so now I'm stuck with this shop wrecker, it had code p0148 when it came in the problem is that when I accelerate above [...] the truck will accelerate it self between 3000-4000rpm and stays there until the truck is shut off it'l... Trouble codes: P0148
2002 Ford F-250 Super Duty Lariat 7.3L Hpop VIN: 1FTNX21F92
I have a customer that had a reman hpop installed from a dealer a little over 2 years ago. She has had oil leaks from the area for over a year. Since I have started servicing her truck I have fixed the the high pressure fittings and threaded end plug on the pu...
2003 Ford Focus SVT 2.0L MIL Lamp on, Lack of Power VIN: 3FAHP37573
I have a SVT Focus here with the 2.0 DOHC engine with variable valve timing on the intake cam only. It came in running fine, just setting a P1383 code. Checked cam timing using the Ford timing tools. The intake cam did not line up. Sold the customer a timing ... Trouble codes: P1383 (Intake Cam Over Retarded)
2003 Ford F-450 Super Duty XL 6.0L fuel in oil VIN: 1FDXF46P43
First thanks for everyone's help. Have a tow truck, lift body style, that somehow diesel is making it into the oil over fillING the crankcase and making the Engine run poorly. Wondering if anyone has seen this issue and maybe be able to point me in right direc...
2004 Ford F-350 Super Duty Lariat 6.0L no code known VIN: 1FTSX31PX4
Does anybody know if the factory code is hidden somewhere on these trucks like they did with the cars? Cant find anything in the manual and nothing on the doors that look like the code. I maybe overlooking it. Also is there anyway to reset the code and how do ...
2010 Ford Focus SEL 2.0L Surge, Stall VIN: 1FAHP3HN2A
vehicle has idle problem it surges and when you you snap the throttle you hear valve slap,check for vaacuum leak, timing is align throttle body is new vacuum hoses are ok. ignition components ok. when a/c system on you can fell a amperage draw that make the id...
2012 Ford F-350 Super Duty King Ranch 6.7L rear lamps VIN: 1FT8W3BT3C
Have no brake or turn signals rear have tailights. Body module codes set B132B-132C Short to ground can find no shorts. no power to lamps. Codes do not clear. Possible body module? Any one run in to this.
2003 GMC Sierra 2500 SLE 6.0L Cuts out VIN: 1GTHK29U73
when we accelerate slowly the truck runs fine but when we accelerate at fast rate the truck back fires... we checked map sensor, o2 sensors, mass flow sensor, checked coils, check spark all is good. Took cats of exhaust and problem still occurred. what could b...
2005 GMC Sierra 2500 HD SLE 6.0L 2ND Gear Starts VIN: 1GTHK29U45
This truck came in with no reverse. The Direct clutches were smoked and the cooler was plugged solid. I replaced the cooler, flushed the lines, and did a complete overhaul including all new solenoids, pwm, mlps, speed sensors, shift kit, bands, clutches, and s...
2007 GMC Yukon XL 1500 Denali 6.2L wipers&washers VIN: 1GKFK66847
Gentleman, Any help would be greatly appreciated. I have a 2007 Yukon Denali 1500XL that has a Wiper/Washer problem. While driving on a dry day the wipers will come on with the washers and you can not shut them off. The washer pump will continue to run with th...
2011 GMC Terrain SLT 3.0L shake at idle VIN: 2CTFLXE50B
thanks in advance. I have a 2011 gmc terrain that has a bad shake at idle. customer thinks its misfiring, when i scan the pcm its not picking up a miss and there are no trouble codes. i dont think its a misfire problem either. seem more like the engine is out ...
1992 Honda Prelude Si 2.3L No Start VIN: JHMBB2155N
Thanks in advance for the help! This car was towed in after sitting for 6 months. Car came in with no spark/no start. Wires, Coil & Distributor were replaced 6 months previous by another shop to repair no start. They gave up and the owner towed it home to sit ...
2010 Honda Insight EX 1.3L Alarm VIN: JHMZE2H7XA
The vehicle came in with the complaint that the alarm will go off by itself when parked in the garage. Th entire two weeks it has been here, the alarm has never gone off by itself. The battery was low, so it was replaced with the idea that low voltage to the m...
2007 Hummer H3 3.7L Starting VIN: 5GTDN13E17
Vehicle will cold start every time however, if driver parks vehicle after warm-up drive and returns in less then 10 minutes time vehicle will not start. Driver then kills 10 minutes time,.attempts restart and is successfull. Suspect PASS-LOCK issue as patterm ...
2002 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW48SX2
Thanks to all in advance, this jeep came to us a month ago with a no start, and after testing we found that it had a blown fuel injector 15amp fuse and a code P1389 asd relay, so we replaced the fuel injector fuse Vehicle started and ran fine, customer called ...
2012 Jeep Patriot Limited 2.4L Door Ajar Indicator VIN: 1C4NJRCB4C
Customer complains of dome light staying on and dash board door indicator shows drivers door (L/F) stays on. Local Jeep dealer stated that the door latches were a common problem and replacement would probably correct this problem! It did not. Cannot see any wi...
2005 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11465
Not sure what the description for P1173 & P1170 are. I get different descriptions depending on what scan tool or who you talk to. I think there upstream fuel trim faults? Trouble codes: P1173 (O2 Sensor Fault Aging downstream fuel trim B2), P1170 (O2 Sensor Fault Aging downstream fuel trim B1), P0151 (02 Sensor Upstream Bank 2 Circuit Fault), P1615 (Elec T/Stat circuit Fault)
2000 Lincoln Continental 4.6L Cuts out VIN: 1LNHM97V4Y
Tough one here. I have a lady with limited funds that has an odd one. She came in with a miss and power loss above 30 mph. Miss was a no brainer, bad coil pack and it is smooth with no codes. When you approach about 38 mph the car bogs down and the Traction co...
2001 Mazda Tribute ES 3.0L Mechanical VIN: 4F2CU08131
Customer brought in this Tribute stating it was hard to stop. Test drive showed very poor stopping and a hard brake pedal. When idling in the parking lot or on the road, vehicle stops normally and pedal feels normal. The pedal is only hard under hard braking....
1999 Mercedes-Benz ML320 3.2L evaporator VIN: 4JGAB54E4X
alldata shows 20 hours for evap core. seems high. just looking for some labor time from someone who has done this job before. I know alldata shows 8 hours for just the temp door motor which takes an hour so not really trusting that time. thanks
2010 Nissan Rogue SL 2.5L engine idle VIN: JN8AS5MT0A
Hello Techs. I have this Nissan Rogue S that has an intermittent problem after you drive a ways with the AC on. The problem is when coming to a stop the customer says the idle goes way low and runs rough. If you turn off the AC its fine. It only happens after ...
1991 Pontiac Firebird 3.1L No Start VIN: 1G2FS23T4M
Thanks in advance for this, I can't believe one this old is kicking my butt. Car was towed in for a no start. Customer stated that it started skipping and running real bad prior to dying on the road. Tested spark, good at plugs and coil. Tested fuel pressure 4...
2006 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH51U96
Good afternoon . I am unable to find any infomation from ALLDATTA, SHOPKEY or Direct-hit for this problem. Intermittantly car goes into limp mode and set diagnostic code po234 for turbo over boost condition . please help , i need a flow chart or any other help... Trouble codes: P0234
2009 Toyota Matrix 1.8L Eps Steering VIN: 2T1KU40E29
This Matrix spins super easy going right and then really hard turning left. no codes in it at all. with engine off it seems to have the same amount of effort to steer both ways, but running it feels like the car is jacked up on one side, you know its really ea...
2007 Volkswagen Passat Value Edition 2.0L MIL Lamp on VIN: WVWLK73C67
Check engine light for knock sensor 2 is continuous problem. Comes back on always within 15 miles. Replaced both knock sensors. Inspected belt tensioner and removed high pressure fuel pump and checked for wear on cam lobe and tappet. Have factory VW diag compu... Trouble codes: P0333
2011 Volkswagen Jetta SEL 2.5L oil pressure VIN: 3VWLX7AJ0B
Low oil pressure light on at idle. Remove low oil pressure switch and install mechanical gauge. On initial start, I have 20-30 psi @ idle until I rev the car up and return to idle then it drops to almost 0 psi. It has new oil and filter in it, and I removed th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Audi A4 Quattro 2.0L Brake Pedal VIN: WAUEF78E58
first I would like to thank all of you who took time to offer help. unfortunately the problem had nothing to do with master cylinder or abs, no air in system. The problem was the r/r caliper had internal damage. I pumped e-brake up r/r did not hold even thoug...
2000 Buick Park Avenue Ultra 3.8L MIL Lamp on VIN: 1G4CU5415Y
Thanks for everyone who replied with something other than what I had posted that was already checked, this vehicle is fixed, during one of the test drives I found that the PCM commanded the supercharger boost control solenoid to 0% (closed) during EGR flow on ... Trouble codes: P0401 (Insuffecient EGR flow).
1982 Chevrolet Monte Carlo 3.8L Hesitation, Cuts out, Misfire VIN: 1G1AZ377XD
Thanks for all the great responses. After taking both valve covers off I found there were several valves that were either too tight or too loose. I readjusted the valves and then reset the timing and tuned the new carb. Car runs great now Thanks for all the gr...
2009 Chevrolet Colorado WT 2.9L ABS and skid control light is on VIN: 1GCCS19939
checked wiring between yaw sensor and ebcm. Wiring was good. Replaced ebcm and programmed and problem was fixed. Thanks for your response.
2010 Chevrolet Suburban 1500 LT 5.3L abs VIN: 1GNUKJE30A
rechecked all the wiring and all looked good, i still believe that it is the controller but customer would not let me buy a new correct one. gave the truck back to customer and waiting to see if they call back. if i find any new info i will add it here.
2004 Dodge Ram 1500 ST 5.7L No Start, Stall VIN: 1D7HU18D24
I would like to thank all for the fast response to my request. I will start with a lesson I learned for the upteenth time today. Never go on an assumption form the customer information. I was told a fuel pump was installed less than a year ago...well I didn...
1969 Ford Ranchero 5.8L Hesitation, Cuts out, Stall VIN: 9A49H22726
Ok, I finally got the right combination on this engine to get it to run decent. After a lot of checking and contemplating what the problem was, I took a chance on putting a original points type distributor with single vacuum advance,which eliminated the MSD u...
2002 Ford F-350 Super Duty XL 7.3L coolant VIN: 1FDSW35F62
To all of you that said timing cover you win! You all get a big sloppy wet kiss from me if I ever meet you. However, if you check out the pics and give further opinion, I promise NOT to kiss you. Why should the gasket look like this? The vehicle has very littl...
2006 Ford E-450 Super Duty 6.8L Cel Light VIN: 1FDXE45S36
yes one of you guys said to replace 02 sensors but it didn't get rid of the code and customer wanted it back and was going to bring it back to do some more testing but hasn't done it yet I will open another one when I get the answers but thanks to everyone th...
2006 Ford E-350 Super Duty XLT 5.4L Mechanical VIN: 1FBSS31L56
thanks for all your help put a flexplate in it, turned it in the proper rotation to check for resistance or noise, none found, cranked its tail and she runs like a kitten (well like a 5.4 with a 150k hard miles on it) Thanks Dave
2004 Honda Accord EX 3.0L Tcs VIN: 1HGCM82624
Thanks all for you time and help I tried HDS to reset steering several times over a couple days with no luck was ready to give up but I have a new autel ms though couldn't hurt to try there was a relearn neutral pressure and that's it all fixed. Thanks again f...
2004 Lexus LX470 4.7L ride control VIN: JTJHT00W44
Veh. Is not fixed yet due to the fact of locating this sensor so it's not 400 dollars. Cust. Is looking in getting sensor himself. I am more then confident that the pressure sensor will indeed fix this veh. Thanks for everyone's help in this matter the idea...
1992 Lincoln Town Car Cartier 4.6L heating VIN: 1LNLM83W8N
once again thanks for all the help, we finally got decent heat by repairing numerous things, radiator, water pump and flushing heater core numerous times. also the blend door motor connector was unplugged from previous heater core repair at another shop, the d...
1988 Mercedes-Benz 560SL 5.6L brakes/steering? VIN: WDBBA48D0J
Thanks for the overwhelming responses. I must have had a brain fahrt. I completely forgot about the sub frame bushings. A large majority of the replies suggested them and you were right. Other suggestions were control arm bushings, ball joints and swaybar moun...
1989 Mercedes-Benz 420SEL 4.2L Heater VIN: WDBCA35D7K
The factory heater valve [with new mono valve] fixed the vehicle. I should have listened to most of you from the start. I thought that I had isolated the valve and decided that it wasn't the problem.Wrong! Thanks for all your help. Tom [...]
2003 Mitsubishi Eclipse GTS 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 4A3AC74H53
Well being a personal vehicle and now spring is here Im on the motorcycle more. But here is what has happened I disconnected and blocked the EGR. Since then idle is stable and no more stalling. The Bank 2 Lean code is a lot harder to trigger now, but still... Trouble codes: P0174 (Bank 2 Lean radiator side).
1999 Subaru Legacy Limited 30th Anniversary 2.5L mode doors in dash VIN: 4S3BG6859X
Tested car again. This time I got proper signals to mode door actuator, just no actuator movement, replaced mode door actuator (cheap, $45 from dealer) and problem solved. Thanks for taking the time to help.
2009 Volkswagen Jetta TDI 2.0L Poor Idle Quality, Surge, Misfire, Poor Fuel Economy VIN: 3VWPL71K09
The fix was to replace the fuel filter. Like I stated, I had replaced it @56k miles but checking the service schedule after reading the replies, it stated that the fuel filter should be replaced every 20k miles. The filter had a lot of fine, short hair-like f...
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