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Prev Professional Automotive Repair Technical Discussions for September 27, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1998 BMW 528i 2.8L Poor Idle Quality, Cuts out VIN: WBADD632AW
This bmw came to me after the head was milled with a new gasket.it runs good but won't idle right. I was replaced plugs #1 was missing that repaired that but it wont idle right. It acts like the egr valve is stuck open.but im not a bmw man if you are please he...
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2005 BMW 645Ci 4.4L idrive, convertable top, VIN: WBAEK73415
Vehicle came into shop with dash looking like a christmas tree, with numerous warning lighs, system faults displayed, IDrive was dead. Did a battery disconnect and touched batt cables for a complete reset of modules. IDrive came back online, inst. panel went b...
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2002 Cadillac Eldorado ESC 4.6L heating system VIN: 1G6EL12YX2
customer came in and said he has no heat. upon initial inspection, i noticed the upper and lower radiator hose was hot, however i have no heat and the car would only warm up occasionally on the rivers side and the pass side is ice cold, i see the blend door ac...
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1985 Chevrolet Corvette 5.7L No Start, Cuts out, Stall VIN: 1G1YY0781F
Vehicle has been sitting for a couple of years. Has after market Clifford alarm system with remote start. Put new battery in key fob and reset alarm to allow for proper function. Charged the battery on car and vehicle will crank, start, and then shut off immed...
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2002 Chrysler 300M 3.5L computer VIN: 2C3AE66G82
I have a 2002 chrysler 300m i cannot program the pcm with my j2534 beacuase when i go on tech authority on chrysler website the parts number for the updated module is not in chrysler system it has old numbers. Which it will not allow me to program. Is there an...
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1991 Ford F-250 Custom 4.9L Hesitation VIN: 2FTHF25Y1M
This vehicle has an intermittent loss of power/ hesitation/ misfire but only in the mid range of the RPM's and under medium load. Full throttle seems smooth so we do not suspect fuel pressure being the cause. Plugs, wires, cap and rotor are new so we do not su... Trouble codes: 542 (shows only when performing manual self test fuel pump circuit)
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2001 Ford F-250 Super Duty Lariat 5.4L Hesitation, Surge VIN: 1FTNX21L21
idles fine.takes gas fine but in 4th gear you get a surging like its trying to hold back.you can redline the truck in the other 4 gears,4th seems to be the only problem and only on a hill under a slight load.all the sensors seem to be spot on.fuel trims are wi...
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2006 Ford E-250 5.4L Cuts out VIN: 1FTNE24L76
Has an engine shut down ,like with the key while driving ,starts right back up , It happen to me once and it just had no accel. but was still running then came back ,I changed MAF sensor and it was good for a week ,when it came back is when we put rebuilt thro... Trouble codes: P0329, P061B
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2007 Honda Odyssey EX 3.5L Radio, Hvac VIN: 5FNRL38747
Customer complaint the radio and hvac lights not working. I found that the brightness controller the select knob on ipc is functioning. But when i turn it full bright the radio display light flickers and the radio button lights turn off. The hvac control dims ...
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2007 Hyundai Accent GLS 1.6L air bag VIN: KMHCN46C87
vdehicle has a b1448 ocs occupant mat defect. Just not sure if this is considered the seat sensor or not. I am not very experienced with air bags, usually tell customers to go to dealer, but this time I am the customer. Any help would be appreciated.
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2008 Kia Rio5 SX 1.6L Starting VIN: KNADE16338
Installed new clutch and used transmission. Test drove but starter gear was loose and hitting flywheel while test driving. Got the customer a new starter and installed. Now it will not start. There is no power to the small wire at the solenoid when cranking. N...
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1997 Pontiac Grand Am GT 3.1L Misfire, rich VIN: 1G2NW52M8V
Now I have it together and has consistent mis on 4 and 5 mostly 5. LT -16, if I create a vac leak it will go full lean. Fuel injectors will hold 40 psi when isolated away from system. Have a known good injector anyway on #5. MAF was reading low and sluggish... Trouble codes: P0300 (testing and results)
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2006 Volkswagen Jetta 2.5 2.5L Unknown VIN: 3VWRF71K26
VW tech, please help. Car came in with 2 problem, engine oil leak & car randomly misfire. Install scanner, pull codes all cylinders misfire. P0301-p0305, road test, unable [...] vertify misfire. Perform oil leak repair, clean oil residue, run engine at 2500 rpm f...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 745i 4.4L Starting VIN: WBAGL63462
hi guys thank for all the help after extensive diagnose i found the engine computer get very hot i replaced the engine computer and fix the problem thanks again
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2004 Chevrolet Suburban 1500 LS 5.3L Starting VIN: 3GNFK16Z64
This one ended up being the PCM. Mark from Newfounland nailed it. Had voltage on C1 pin 39 when cranking. The PCM would not energize the starter circuit. Sent to dealer for install and program. Thanks for the help.
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2006 Chevrolet Corvette 6.0L Clutch VIN: 1G1YY26U86
The problem was the clutch master cylinder as many suggested. The spring on the clutch pedal was ok. The fluid was always full so there was no leak. My tech removed the l/s cat to get at clutch slave bleed. we opened the bleeder, pumped the pedal and very litt...
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2001 GMC Yukon XL 1500 Denali 6.0L Misfire VIN: 1GKFK66U01
THANK FOR THE REPLIES GUYS.THIS TRUCK IS NOT FIXED. WE TRY PLUGS,WIRES,INJECTORS,DECARBON THE COMBUSTION CHAMBERS,CLEANING INJECTORS,LEAK DOWN TEST. THE REASON WE WERE NOT CONCERN ABOUT THE COMPRESION TEST VALUES DUE ABOUT 3 WEEKS AGO WE YUKON WITH # 2 AND 7 C... Trouble codes: P0300 (Multiple cylinder miss fire).
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2001 Isuzu Trooper Limited 3.5L engine VIN: JACDJ58X51
Gentlemen. At last I can respond. I ended up having to pull the engine and break it down to find the answer to postůspun main bearing. What a great array of things to check though. The following is a summary of the pursuits suggested and done by me. Apparentl...
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1999 Mazda Protege LX 1.6L Poor Idle Quality, Cuts out, Stall
The fix was installing the "broken" air intake/air filter housing assembly. As I have explained in my earlier post, the "cold air" intake was the problem..apparently, as Derrick from Georgia suggested, The mass airflow sensor could only sense turbulence--not t...
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2000 Mazda B3000 Troy Lee 3.0L Cooling Systems VIN: 4F4YR16V2Y
THE INTAKE GASKETS WAS LETTING WATER IN THE OIL. THANKS TO ALL WHO REPLIED.AND GOD BLESS
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2005 Mazda RX-8 1.3L steering wheel VIN: JM1FE17NX5
Installed reman steering gear, it works better but now wants to turn left all the time. Don't understand my Maxidas trq_str calibration, when i press on it doesn't seem to be doing anything, going to try another scan tool, when i can get back on this car. will...
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2006 Toyota Sienna XLE 3.3L 1-2 VIN: 5TDZA22C16
Thanks for all your help many of you guys were right we end put getting a used transmission with 104k and its working fine now. Big thanks to all of you for your advise. O and by the way there was no codes for any module and all the sensors were ok I dropped t...
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