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Prev Professional Automotive Repair Technical Discussions for November 5, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1993 Acura Integra RS 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: JH4DA9442P
only on idle, it bougs down on acceleration, timing is right, no vaccum leaks, feels like the tps could be causing this, my question is have anyone had this type on problem with the tps
2002 Audi A4 1.8L exhaust type noise VIN: WAULC68E42
I have an exhaust type noise coming from the air filter housing after starting the engine.It lasts for about 15 seconds. It's coming from the secondary air pump,noise goes away when pump shuts off, has no codes present. Is this noise normal?
2006 Audi A6 3.2L Heat VIN: WAUDH74FX6
Hi and thank you in advance. I have this audi that customer complains of afther dryving for 20 minutes or so. with the heat on the midle vents will start to blow cooler air than the vents on the sides. after checking it ot found that the air comming out from t...
2001 BMW 740i 4.4L Mechanical VIN: WBAGG83441
Car has a knocking noise coming from drivers side cylinder head valve cover area. Only happens for a few seconds on cold start.There are no fault codes. Have noticed this same noise in various 8 cylinder cars that have come through the shop. Had one that we di...
1997 Cadillac Seville SLS 4.6L dashboad illumination
Vehicle came in with complaint of no dash lighting upon inspection found no running lights also. Checked output from headlight switch no output to running lights. But had signal to instrument cluster {ipc} as was confirmed by the scanner. Scanner data at ipc s...
2002 Cadillac Escalade 6.0L heater air VIN: 1GYEK63N72
This Escalade has cold air coming in by the recurculation door. when the fan is on low is when you feel it the most.the gaskets around the door and heater case all feel like they are in place and in good shape. Even when the heater is on high heat and it is co...
1993 Chevrolet Corsica LT 3.1L Stall VIN: 1G1LT53T5P
This one is strange,after warmed up engine will start and run until you start to roll then dies. I verified that it is vss related,with tires off ground in nuetral if you slowly rotate a front tire it stalls. Dissconnect the vss at trans and all is well. I don...
1994 Chevrolet Lumina Euro 3.1L Hesitation, Misfire, Poor Fuel Economy VIN: 2G1WN54T9R
This car is belongs to a tech in my shop. When trying to accel it develops a miss and will start to backfire through the intake. It had an egr code so he replaced the egr valve. We removed the intake and checked the injectors. They were all around 11.7 ohms wh...
2001 Chevrolet Impala LS 3.8L Cuts out, Stall VIN: 2G1WH55K61
Customer reports vehicle dies while coasting along around 25 MPH and vehicle is cold. Verified problem, no check engine light, but code was stored: p0103 - mass air flow circuit signal high. MAF tests ok at this time. Suspected MAF signal out of range or ignit...
2004 Chevrolet Silverado 1500 LS 5.3L Mode Actuator VIN: 2GCEK13T34
My customer stated that her system is stuck on defrost. I found code B0263 and when I clear it the mode actuator dose a full sweep range of motion then stays at defrost and sets the same code. I clear the code and it dose the same thing. I'm a bit lost. The fu...
2010 Chevrolet Traverse LT 3.6L multiple door locks, heating, lights, blown fuses, VIN: 1GNLVFEDXA
This vehicle belongs to a family member and they have had it at the dealer several times with no fix. The door locks start locking and unlocking by themselves. The heater controls come on & off on high by themselves. The lights all start flashing by themselves...
1998 Chrysler Cirrus LXi 2.5L Cuts out, Stall VIN: 1C3EJ56H4W
this is our personal vehicle had since new. about a year ago, developed this stall when driving or idle. when driving, no matter what speed, the check engine lite comes on, the speedo drops to 0, thens pops back to normal and the check engine lite goes out, th...
2001 Chrysler Town & Country (Van) LX 3.3L Excessive Emissions, Hesitation, Misfire VIN: 2C4GP44361
Original problem was stumbles and stalling when accelerating from a stop. Note: original problem did not set any codes. I did not find excessive exhaust pressure [below 1.5lb at 2500rpm]and drivability was good when at cruise, But still do not have precise pr... Trouble codes: P0300 (multiple missfires)
2001 Chrysler PT Cruiser 2.4L Cooling, Overflow bottle VIN: 3C4FY4BB01
Hey Iatn, Got one here that I've been chasing for too long. A bit of history, this PT Cruiser came in with a badily knocking 2.4L, upon customers request we replaced the engine with a low-mileage (86,000) used unit from a reputable auto salvage yard. At that ...
1999 Dodge Ram 1500 Truck 3.9L MIL Lamp on VIN: 1B7HC16X5X
truck came in with p0123 code. hard code, on immediately with key on and stays. truck has sat for a couple years. scanner shows absolute throttle position at 99%. backprobing tps signal on or/db wire shows 5.0 to 5.1 volts. backprobing at pcm shows the same. d... Trouble codes: P0123
2003 Dodge Sprinter 2500 2.7L No Start, Stall VIN: WD2YD64223
Died on road towed in. I only had 1900psi fuel pressure at scan tool. Replaced high pressure fuel pump (2nd one). decided to replace low pressure pump due to repeat failure of high pressure pump , and fuel filter. Staeted up after bleeding fuel lines. let run ... Trouble codes: P2010, P1481
2007 Dodge Charger SXT 3.5L Extended crank VIN: 2B3LA43G47
I have a problem child. Car will have extended crank time cold, and sometimes after hoty soak. Fuel pressure is 53 to 57 psi. Have checked bleedown three times and each time lost no more than 8 to 10 psi. Timing has been checked twice, and cam sensor replaced....
1994 Ford Ranger STX 2.3L brake light on ABS light on VIN: 1FTCR10A4R
This one has me stumped. A neighbor gave me this truck. It was his father in laws who passed away. The truck has 37K and has sat for the last 5 years. The brake lines were all shot and the service brake light was on as well as the ABS light was on. Here is eve...
2001 Ford F-150 King Ranch 5.4L Poor Idle Quality VIN: 1FTRW08L31
Truck came in with lean codes on both banks. No vac leak and fuel pressure is good. Maf gps read right at idle 5.2gps but the baro was off 26.9 (150hz) baro here should read 29.6 158hz give or take so I cleaned the maf and after no change I replaced it. Did th...
2004 Ford F-450 Super Duty XL 6.0L No Start, Stall, Misfire VIN: 1FDXF46P14
Hi fellow techs. This one is got me scratching my head! 2 months ago this truck went on job about 900 miles from our facility. On it's way up there the driver complained of power loss and than stall and no start when he came to a stop. It was towed to a Ford d... Trouble codes: P0275 (cyl 5 contribution)
2005 Ford Excursion Limited 6.8L stalls out VIN: 1FMNU42S35
Vehicle will one day blows fuse(#40) which happens to be fuel pump fuse, some days it will blow fuse every hr or so, thn theres days that it will run perfect with no problems, the fuel pump was replaced n problem continues, to make matters worst ive been told ...
2006 Honda Civic LX 1.8L Electronic VIN: 1HGFA16596
car came in on limp in mode, with code P0756(selonoid b). Performed a fluid flush, clear codes and car shifts fine. released to customer. - Car comes back in 2 days in limp again, with codes P0847(press sensor B) AND code p0756 (b selonoid) ...two codes this t...
2008 Infiniti QX56 5.6L Electronic Air Suspension VIN: 5N3AA08C88
This vehicle has rear electronic air suspension only. The suspension is not working, and has not been working for sometime by looking at the inside of the rear tires being worn off past the metal in the tires. I don't have access to a scan tool that gives me d...
1991 Jeep Wrangler Renegade 4.0L No Start, Stall VIN: 2J4FY69S6M
The above mentioned parts were replaced trying to solve a stall/no start condition. Currently, the vehicle will start and run. The customer states that it will stall cold or hot. Sometimes it will restart right away. But it is very intermittent. I am leaning t...
2002 Jeep Liberty Limited 3.7L plastic intake VIN: 1J4GL58K02
vehicle can in 4 months ago with intake split installed new intake done fine till now. came in with intake blown apart worse than the first codes present.has anybody ran across this problem yet.
2009 Jeep Wrangler Unlimited Sahara 3.8L Poor Idle Quality, MIL Lamp on VIN: 1J4GA59189
The owner brings this one in for a grinding noise at cold start ups and the check engine lamp is flashing. The vehicle is running rough. I look at the misfire monitor and it is all over the place. There is no consistent cylinder misfiring. Sometimes five cylin... Trouble codes: P0300
1991 Lexus LS400 4.0L Poor Idle Quality VIN: JT8UF11E7M
Thanks in advance for your help; This car was towed into us after another shop replaced both Cats I drove the car and brought it back into the shop and the Exhaust system was cherry red does anyone know why that is and where should i start checking the battery...
1997 Mazda 626 DX 2.0L Hesitation, Surge, Cuts out, Stall VIN: 1YVGE22C5V
Here we go. I have a goast on my hands. Customers was checking his own oil level and air filter when the problem accured. After changing the air filter it did not want to run. It would idle but boggout under any throttle. when it showed up at the shop it would...
2006 Mercedes-Benz C280 Luxury 3.0L Cel VIN: WDBRF54J26
Code 0521-p2004 tumble flap intake manifold code. No service information shown in identafix or all data. Anyone have access to any information on this code? testing info would be great!
1999 Mercury Sable LS 3.0L hard start once warm VIN: 1MEFM58U0X
Owner complains vehicle is hard to start sometimes. When cold this car will start no problem.Shut off and restart no problem until engine has had a chance to warm up and idle comes down. Once shut off after warm, vehicle will crank but no start or start briefl...
2008 Mercury Mariner Premier 3.0L Wrench light comes on VIN: 4M2CU97138
Good Day!!! We have this intermittent Mariner giving us fits!!! It has the "Wrench" light coming on, and the customer told us it was a "throttle position sensor" code. NOT!!! Scanning all codes came up with a U0114 code- "Lost communication with 4wd clutch con...
2002 Pontiac Sunfire SE 2.2L No Start VIN: 1G2JB52F32
car was running fine, wouldn't start today, no communication to pcm? No spark, no fuel pump, pump OK, power to ign module and pcm. checked all fuses, jumped pump relay to check pump, removed ign module, power to it and no signal, scan tool(s) have no communica...
1994 Toyota Pickup DLX 2.4L hard start VIN: JT4RN13PXR
Customer states the truck has an extended crank after driving to the store and it sits for about an hour. It starts right up in the morning, or if it sits half a day or so. Sometimes the vehicle sits for two to three days at a time and it fires right up. Once ...
2004 Toyota Prius 1.5L No Start VIN: JTDKB20U64
This prius at times is just dead; nothing occurs when the start button is pushed. No relays turning on or sound at all when fob is inserted into the slot. The old 12v battery tested fine but customer requested replacement of it regardless; due to his frustrati...
1981 Volkswagen Vanagon Campmobile 2.0L Hesitation, Surge, Stall VIN: WV2ZA0250B
I replaced the engine 3 months ago because two valve seats fell out. Installed a rebuilt engine, temp sensor II, plugs, new distributor with pertronix, VAF meter "customer had messed with internals". Engine leaked oil from all case half bolts front seal and fl...
2005 Volvo XC90 2.5T 2.5L Mechanical VIN: YV1CZ59265
I have a problem with this car setting mass air codes. The three coes it sets is ECM120D and ECM121B [...]. I have replaced the CAT.,the mass air,rebuilt the waste gate on the turbo.,replaced the breather box and all related hoses,smoke-tested the intake ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 745Li 4.4L Mechanical VIN: WBAGN63482
Well, the car is working fine now, but I had to add more fluid than normally possible with the normal filling procedure. Depending how much is drained, you should have to add about 5 to 7 quarts of fluid after a filter or valve body change. The normal procedu...
2004 BMW 525i 2.5L emergency brake VIN: WBANA53574
First, thanks to all that took the time to respond to my request.The handle assy. is a self adjusting mechanism. All you have to do is when the handle is at rest look for the forward spring assy. and in the center will be a small piece of steel.Push it aside w...
2006 BMW 530i 3.0L Cooling Systems VIN: WBANE73526
Knowing the higher than normal failure rate, I changed the waterpump & thermostat before a total failure occured. With the new parts the car ran mostly @ 206. It fluxed occasionally above and below a few degrees as the PCM was working the pump & therm. Thanks ...
1997 Chevrolet Monte Carlo Z34 3.4L Cooling Systems VIN: 2G1WX12X2V
It was the waterpump. the pump I pulled off was a cast impeller with 9 blades, the new ac delco pump I put on was 5. Jason at sams found the 2 pumps, why they make 2? I don't know. If you do one of these, the cast impeller pump #252-721, the one they stock at ...
1999 Chevrolet Silverado 1500 5.3L ABS pump VIN: 2GCEK19T4X
As so many suggested, it was the module. The owner opted for a new one and everything is swell now. Thanks again for the prompt responses and accurate information. Much appreciated.
2006 Chevrolet Trailblazer LT 4.2L headlamps VIN: 1GNES16S26
Thanks for the help guys, it was the headlamp relay. cant believe i overlooked the relay in the schematic. overthinking on an intermittent problem and come out with guns blazing
1998 Dodge Grand Caravan SE 3.3L Stall VIN: 1B4GP44RXW
I want to thank everyone who took the time to respond to our help request. It is greatly appreciated!! Igor hit the nail on the head. The flexplate had not only cracked, it had spun. We replaced the flexplate and it runs great. :)
1993 Geo Storm 1.6L Stall VIN: JB1RF2360P
Customer has no money, not much else to do. told customer he is welcome to pay to have the ecm sent out and tested, but im not using my money.
2001 Honda Accord EX 2.3L Unknown VIN: 1HGCG32501
A big thanks to all for taking the time to respond. John from New Jersey hit this one on the head. The left front motor mount, left side of vehicle between timing cover and frame was sagging just enough that it would allow the two brackets to contact each ot...
2003 Honda Accord EX 3.0L SRS, Airbag light VIN: 1HGCM82673
Thanks for all that replied; i took the advice of most of you guys and had the Honda dealer replace the SRS module only which fixed the problem. Light is off and everybody is happy.
2012 Hyundai Accent GS 1.6L Eps VIN: KMHCT5AE2C
One-quarter turn of each of the tie rods centered the steering wheel. The steering angle sensor still shows zero when driving straight ahead. Therefore, no reprogramming was needed in this instance.
2007 Jeep Liberty Sport 3.7L Misfire VIN: 1J4GL48K07
not sure if it was static electricity or a bad belt, but putting a new serpintine belt on this truck fixed it. thank youi for all your replies Trouble codes: P0300.
2003 Land Rover Range Rover HSE 4.4L starter VIN: SALME11413
after getting a good wiring diagram i found the tcm was faulty. i also replaced the trans. range switch. car starts now with no other concerns. in addition the #5 fuse was caused by wire shorting on exhaust manifold, repaired and all is good. thanks for all th...
2006 Lexus GS300 3.0L Drive-axles VIN: JTHCH96S76
Thanks for all your help. Customer will live with the noise as it is very faint at low speed with radio off. Most said front struts and I agree after removing all shields and possible rattles. Dennis
2008 Mazda CX-7 Grand Touring 2.3L p0302,p0303 VIN: JM3ER29L48
High resistance in injector three , more than manufacturers specification. Thanks to all the techs who responded
2003 Mercury Marauder 4.6L Fuse #602 VIN: 2MEHM75VX3
Vehicle Wire Harness From Passenger Seat - Under Carpet To Bulk Head, Past Attempted Repair Under Seat Failed, Customer Replacing Fuses Caused Excessive Strain On Harness, Melted Wiring In Harness - Spliced & Repaired Under Seat & Under Carpet.
2002 Subaru Forester S 2.5L Hesitation, Misfire, MIL Lamp on VIN: JF1SF65672
2002 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C42
First let me thank, Alan [...] checked for the updated ecu, as from the TSB. This vehicle already had that done. This is a VERY good customer of ours. I informed her of all the responses, I've re... Trouble codes: P0420.
2005 Toyota Yaris 1300CC Eps
Hi first rack was adjusted during wheel allignment.i did what mr Kenneth said yes now rack moves freely but at highway speeds tires ar Wobbling & we got end play issue so we gonna replace it.thanks everyone.
2001 Volkswagen Passat GLX 2.8L Surge, Cuts out VIN: WVWBH63B01
MAF sensor was reading high(almost double), but that shouldn't cause problems on only right turns, found bad wiring to front wheel speed sensor (PS), repaired that and found that bad wiring had damaged ABS module. Also found where customer had reinstalled air... Trouble codes: P0421, P0431, P1176, P1633.
1997 Volvo 960 2.9L heating VIN: YV1KW9609V
Customer declined to disassemble dash.Clearly logic and your replies indicate that is where problem lies.
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