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Prev Professional Automotive Repair Technical Discussions for September 29, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A6 Quattro 2.8L No Start, no injector pulse VIN: WAUBA24B2X
I am sorry but not familiar with AUDI and have no references, the customer has very little money and I have very little time, he replaced the fuel pump and I have verified there is no injector pulse and do not here pump coming on, could someone please let me k...
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2007 BMW 328xi 3.0L driver's door window VIN: WBAWC33557
hello,I need a little help deciphering a window problem in this E90. The driver's door window does not work.I scanned body module and it had 2 codes,9CDA terminal 30A faulty,and 9CC7 hall sensor faulty.I first removed driver's door panel,removed plug on motor...
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1994 Buick Roadmaster Limited 5.7L Hesitation, Misfire VIN: 1G4BT52P9R
Car was brought in as a no start. Found very weak to no spark. Customer just brought the distributor on his own and plugs and wires. P&W are ac delco. Customer bought a Accel Brand distributor. He declined the AC delco. Installed all parts and engine started u...
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2005 Cadillac SRX 3.6L right cylinder head VIN: 1GYEE63705
Good afternoon to all. I have this 2005 Cadillac Srx with the 3.6 v6.it has a loud tick / rattle noise from the right cylinder head (not timing chain). after pulling valve cover off I discovered this thing is starving for oil on the right side. lifters aren't ...
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2010 Cadillac CTS 3.0L Signals VIN: 1G6DC5EG3A
Ordered BCM and installed. Connected to BCM with Tech2 and performed Setup New Module. Copied keys over successfully and now vehicle will not start, signals work but way too quick. Double checked everything. No security issues in theft module. Checked switch ...
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2000 Chevrolet S10 4.3L MIL Lamp on VIN: 1GCCS19W4Y
This S-10 had a junk-yard engine and ECM replaced at some point in the past, judging by the blue marking numbers. The ECM ID number is correct for 99-00 S-10 with 4.3 I did have a P325 knock sensor code, and thanks to this website found that the knock sensor ... Trouble codes: P0160, P0146, P0325
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2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK231X4
Requesting help from the Duramax experts. I would like to know if there is a easy way of checking the EGR Cooler for being plugged. Not sure if pulling a vacuum on the EGR Valve while opening the EGR Valve Throttle Plate and looking for engine stumble will wo... Trouble codes: P0380 (p0404-), P0404
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2009 Dodge Grand Caravan SE 3.3L Starting VIN: 2D8HN44E09
Battery test ok, unable to turn ignition switch with key inserted in slot
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2000 Ford F-350 Super Duty XL 7.3L Misfire VIN: 1FDWF37F1Y
This truck will run fine. driving down the road and go over 1/2 throttle feels like a miss. in park if you rev it up, it runs great up to 2,400 rpm, give it more throttle then it just starts missing and lots of blue/white smoke. when floored passed 2400 Icp go...
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2008 Ford Taurus SEL 3.5L tire sensor VIN: 1FAHP24W68
Vehicle came in with tire pressure warning light on. Tested all sensors With Tpms Scan tool. Right rear Failed. Replaced right rear Sensor.Went to reset light Did the hit the Brake key on key off dance horn Honked. Went to activate left front it now reads bad,...
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2002 GMC C7500 Topkick C7H042 8.1L code P1663 VIN: 1GDM7H1E72
DTC P1663 change engine oil lamp control circuit? I cannot find any diagnostic information on this code. Has anyone seen this code before and if so any suggestions on where to begin to fix it. I cleared the code and it came right back. Any help will be appreci... Trouble codes: P1663 (Change engine oil lamp control circuit.)
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2002 GMC Sonoma SL 2.2L timing chain tensioner VIN: 1GTCS19532
chevy techs: I replaced the timing chain and tensioner on this 2.2 chevy engine 1 year ago because the tensioner came apart, and the chain ended up breaking. ok, simple enough. pulled it down, replaced chain, tensioner assembly, and made sure oil passage in fr...
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2001 Jeep Grand Cherokee Limited 4.7L Asd and fuel pump relays clicking irradic VIN: 1J4GW58N81
Vehicle came in with a no start condition. Vehicle would turn over but not start. Asd and fuel pump relays both make a loud clicking noise. The gas gauge and volt gauge are both inoperative.when I hooked my maxiDas scanner up to it for a autoscan the scanner r...
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1994 Mazda B4000 LE 4.0L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 4F4CR16X6R
tune did not affect the runnin.runs rich when cold,cleaned maf had cotton hair but cleaned ok.gas mileage greatly bad but runs good under load.need to get atest diagram for maf before i replace it.runs rich durin test n then clears out.reminds me of coolant te... Trouble codes: 157 (signal low)
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2003 Nissan Murano SE 3.5L Output Shaft VIN: JN8AZ08W23
Hello Does anyone have a nissian part number for the retaining clip or spring clip that goes on the end of the stub/output shaft? This shaft extends from the right side of the transaxle, to a support bearing. The end of this shaft is a "male" spline with...
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2011 Nissan Armada Platinum 5.6L No Heat VIN: 5N1BA0NC9B
Hi all and thanks in advance. Vehicle came in for no heating. Connected scan tool, no codes and watch all mode and blend door feedbacks sweep "normal". Of course no available tech help from alldata. Heater hose going into the control valve is hot and other sid...
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2001 Toyota Tacoma DLX 2.7L No Start VIN: 5TEWM72N31
Hello there I have this truck that a cust replaced the battery in it and now it does not run and if it does it idles poorly and dies. He said he replaced a few fuses and still has the problem. I have it now and I replaced a few more and it still does not start...
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2006 Toyota Tundra SR5 4.7L Brake Pedal VIN: 5TBDT44146
Truck came in with low brake pedal you can pump up the brakes and get a good pedal bleed the brakes had good flow from all bleeders still no pedal tryed isolating and when i block off rear wheel cylinders i have a firm pedal no leaks at wheel cylinders thought...
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2009 Toyota Corolla 1.8L No Start
car has a code B2784, i erased code and it comes right back after cranking, i just had a little time today before closing time to check it out, was wanting to get some ideas on what to check, code discription is transponder coil fault, also my scanner showed t... Trouble codes: B2784
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1995 Volkswagen EuroVan Camper 2.5L Poor Idle Quality VIN: WV2EE0709S
This is a wierd one the idle will stick at 2000 rpm if you rev the engine above 2500 and let off, the idle drops to 1500 and goes back up to 2000 and stays there. If you pull on the steering wheel to apply pressure on the pump and hold it for 10 seconds the id... Trouble codes: 523 (intake air temp), 519 (map), 758 (secondary air injection)
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2008 Volkswagen Jetta S 2.5L No Start VIN: 3VWJZ71KX8
Car tow in no start. Found blown (fuel pump fuse) We changed relay based on other posts. Test car a few days and returned to customer. Next day same thing. Fuse keeps popping. I was told by tech fuse #28? is fuel pump. We then changed fuel pump and drove car f... Trouble codes: P0273, 801 (801 ign/distibutor engine speed inp circ. range/performance)
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 BMW 325i 2.5L Charging VIN: WBAAZ33454
Thanks you guys for the great responses,put battery saver on vehicle and installed new battery with no issues.
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1985 Cadillac Eldorado 4.1L Surge VIN: 1G6EL5783F
THANKS TO ALL THAT SUGGESTED THE IDLE STEPPER MOTOR. WE DID PULL THE DIDTRIBUTER AND THE GEAR WAS GOOD. WENT THROUGH ALL SENSORS FOR PROPER RESISTANCE, SET THE BASE IDLE AND TIMING. EVEN WITH THE NEW STEPPER MOTOR WE STILL HAD TO BUMP THE BASE IDLE UP ABOVE SP...
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2007 Cadillac SRX 4.6L block heater VIN: 1GYEE63A77
I put an oil pan heater on this unit. Looking at alldata, if I could get a factory heater, the hole at the LH rear of the bell housing where the "contact" heater goes does look reasonably accessible, though. Thanks to everyone for the replies.
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1992 Chevrolet Blazer Cheyenne 5.7L speedometer VIN: 1GNEK18K1N
After many hours looking for the problem we finally found it the wire going to the neutral safety switch was shorted to ground replaced switch and ran new wire and problem was solved thanks for all the insight on this problem fellow techs !
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1998 Chevrolet K2500 Cheyenne 5.7L passlock VIN: 1GCGK29R8W
After exhausting the OEM diagnostic chart for testing the passlock module, I confirmed with certainty that the passlock module was bad and ordered one. Today I installed it, along with a resistor to bypass the passlock sensor, and then performed the 30 minute ...
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1999 Chevrolet Express 3500 5.7L ECM Fuse 1 VIN: 1GBJG31R8X
As many of you stated the oxygen sensors were shorting. What threw me in a loop was it being more than 1 oxygen sensor being shorted and the customer saying the welding was done over a month ago. Replaced all oxygen sensors and the fuse stopped blowing. Thank...
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2003 Chevrolet Suburban 1500 LT 5.3L rear blower fan VIN: 1GNFK16ZX3
Hi people. I had to punt on this one to the dealer as I do not own a scope at this time to test the purple wire and check for sine wave. The customer stated that they only wanted to spend $200.00 to fix the rear hvac problem. I tried used parts that include...
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2010 Chevrolet Express 2500 4.8L Misfire, MIL Lamp on VIN: 1GCZGFBA0A
THANK YOU ALL,SOME VERY GOOD STUFF AND VERY EDUCATIONAL FOR THIS MODEL , AFTER TAKING A STEP BACK AND A FRESH LOOK AND A SECOND COMPRESSION TEST , TEST REVEAL #1 CYL LOWER THAN ALL OTHER CYL,AND MISFIRE COUNT GOES AWAY AT HIGHER RPM AND COME BACK AT IDLE ALWAY... Trouble codes: P0121, P0300, P0172, P0175, P0301.
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2012 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on VIN: 1GC1KXC8XC
Well the vehicle is back on the road and here's what I can tell you about it. In review, the problem we were having was that that after the repairs were done the permanent, or Mode A, service code was still present as was the warning message. We ran the Reduct... Trouble codes: P20B9.
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2002 Dodge Ram 2500 Van 5.2L No Start, Cuts out, Stall VIN: 2B7JB21Y82
unfortunately, I was not able to complete the repair on the 2500 Dodge van. The original issue was a bad wiring harness that was fixed and got the van running. As noted before, the Ignition coil did have a crack in it so it was replaced. I also found the spark... Trouble codes: P0131 (O2 Sensor Circuit Low Voltage).
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2005 Dodge Durango SLT 4.7L unknown VIN: 1D8HB48N65
Well, I cant say exactly what fixed the vehicle, but customer shotgunned the problem and had the entire module under the dash replaced as well as compressor and condenser, works now, unfortunately, we may never know which component or combinations fixed it.
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1995 Ford Crown Victoria LX 4.6L speed sensor VIN: 2FALP74W5S
No one answered the question I had about installing the special terminal ends. I hope someone will learn by my stupid mistake. I had 1 code in car(1175-LR speed sensor). Installed sensor and light came back on 1/2 mile down road. Thinking I had the same code a...
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2005 Ford Ranger Edge 4.0L air bag module VIN: 1FTYR44E25
Ok all fixed and rolling down the road. We cant always get new oem parts, i have to eat and that requires taking all jobs, even if it means salvage parts. First problem was an incorrect air bag module, salvage yard was nice enough to give me the correct one ...
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2002 Honda Civic EX 1.7L No Start VIN: 1HGES26752
Ended up draining gas tank flushing fuel lines car runs great know.Thanks for the help.
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2008 Kia Rio5 SX 1.6L Starting VIN: KNADE16338
After a weekends rest, I came back and traced the starter feed wire back to a connector that I saw on the wiring schematic but no idea where it was. It was a 2 wire connector that was located under the battery tray that included the starter feed. Someone, not...
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2002 Mercedes-Benz ML320 3.2L rack VIN: 4JGAB54E42
omg sorry for the delay on closing this one. it has been beyond busy.this rack wasn't really that bad to change.once I got over the shock and awe so to speak and got into it it was relitivly simple. yes front diff. had to come out but all in all 4 hours in and...
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2002 Mercedes-Benz ML320 3.2L fuel system VIN: WDC1631132
thanks to jay from the uk,the lock up converter was the problem,have sent it to be overhauled,thanks.
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2009 Mini Cooper S 1.6L Poor Idle Quality, Surge, Stall, Misfire VIN: WMWMF73539
Crankcase pressure was in spec. Vehicle was taken back to dealer under lemon law. No further diagnosis has been done. Thank you for the input and responses. Trouble codes: 2B64.
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2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: 3N1CB51D01
I scoped the signal at the ECM for the crank and cam sensors when the problem occurred. Those signals did not cut out at all . As you may recall the triggering signals to #1 , #2 , #3 coils did cut out . All the injector trigger signals did cut out when the pr... Trouble codes: P0325, P0335, P0340.
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1999 Pontiac Sunfire GT 2.4L ets,abs,temp,anti theft, VIN: 1G2JD12T5X
Thanks again for everyone's help...We have found the problem to be a bad ground underneath the battery tray...thanks again
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2003 Saab 9-3 Linear 2.0L CIM Module VIN: YS3FB49S23
Replaced column lock module and still had no luck. Found that ICM module had different VIN stored. This will also keep key programming procedure from completing. Replaced ICM module and all is well. Thanks to everyone that responded
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2002 Suzuki Aerio S 2.0L Engine belt Rattle / Noise at idle with ac on VIN: JS2RA41SX2
Thanks everyone for their prompt and helpful advice! Richard from Ca gave some great advice, which I just read after the vehicle was fixed. He said "I think Split pretty evenly between a seizing belt tensioner (not the pulley) and a power steering pump bracket...
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2008 Toyota Corolla S 1.8L MIL Lamp on VIN: 2T1BR32E68
Thanks for all the input. I generally always smoke test the evap system by the purge line. this time I smoke tested the system from the filler neck. I was able to see sign of leak from the small hose attached to the fuel tank. hit it with MR. Bubbles and found... Trouble codes: P0456.
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