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Prev Professional Automotive Repair Technical Discussions for May 19, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2001 BMW X5 3.0i 3.0L Poor Idle Quality VIN: WBAFA53581
Disconnected MAF runs well no stalling, swapped MAF no change, still lean with random misfire, checked oil seporator and found damaged hoses, replaced seporator, all 4 hoses, intake gaskets and suction jet pump for brakes (it was broken) reassembled engine aft... Trouble codes: P0171 (System too lean bank1), P0174 (System too lean bank 2), P1349 (Man. Spec. Code Misfire cyl. 4 with fuel cut off), P1351 (Man. Spec. Code Misfire cyl. 5 with fuel cut off), P0135 (O2 Sensor Heater Circuit Bank 1 Sensor 1)
2005 Cadillac SRX 4.6L No Start VIN: 1GYEE63AX5
car came in guy wanted the plugs replaced, replaced plugs and now car wont start. fuel system seems to be disabled. hook scan tool up and found fuel system open. need help thank you
1995 Dodge Viper 8.0L No Start VIN: 1B3CR65E2S
Customer had Viper Parked over winter, with Battery out of it. Installed it and tried to restart. Car went in to theft mode and will start and stall. I tried to enter self diagnostics but was unable to get in. Customer does not have a Key fob but has two keys....
2004 Dodge Ram 2500 ST 5.9L Starting VIN: 3D7KU28C74
Now my problem is the truck want start because the of code p0633 skim and po6300 no vin.What I understand the vin needs to be re-programmed in to the ecm and the skim module. I have a pegisys and a bosch vci scan tool and both should be able to do the re-progr...
2000 Ford F-450 Super Duty Lariat 7.3L No Start, Hard start VIN: 1FDXF47F4Y
Thursday I get the call, dead in his yard (cement company). upon checking I had good high pres. oil (2360 psi) solid power to the g.plugs. Coaxed it started by leaving the g.plugs in wait mode 30-45 seconds. NOW before I post any more to this what I need righ... Trouble codes: 1293 (B1 High side feed V open), 1294 (B2 High Side Feed V. open these do not set constantly and may be), 1670 (EF feed back signal not detected)
2006 GMC Sierra 1500 SLE 5.3L No Start VIN: 2GTEC19Z96
This truck came in from another shop with the right head off. They had found a bad lifter and cam lobe.They didnt want to do the job so I took it on.I pulled the engine and changed the parts.The truck would not start (had spark,noid,fuel pressure and no codes)... Trouble codes: P0342, P0343
2008 GMC Acadia SLT 3.6L Air Bag Light VIN: 1GKEV237X8
Hi All, have this Acadia with the service air bag display and light on. Doing a scan shows code U0151. Communication with Restraints Control Module and Vehicle Communication Interface Module. This vehicle also had a problem with wanting to restart when turning...
2002 Mazda MPV LX 3.0L shft solinoid A VIN: JM3CW28J52
Please advise if you have repaired a p0752 shift solinoid A failure.I am about to remove the pan and test the resistance of the shift solinoid hopefully it can be purchased without the entire valve body.Thanks.
1996 Mercury Villager GS 3.0L Fuel Guage VIN: 4M2DV11W6T
We replaced this fuel pump assemble about 2 months ago and now the fuel guage is not working we can make it move by grounding the guage at the rear of the van and the sender works as we have removed it again and tried the guage mannually with a dvom and the re...
1989 Toyota Pickup SR5 2.4L Cuts out
The truck will start right up, and run for 3 seconds, then stall. Must cycle key to restart then stalls again after 3 seconds. Cant keep it running unless i spray fuel in the throttle body. Jumped the fuel pump and efi relay and still wont stay running, I am l...
1987 Volkswagen Cabriolet 1.8L Hesitation, Misfire VIN: WVWCA0156H
Vehicle intermitantly looses a cylinder under load and idle. Ignition parts are in near new condition but the problem feels just like a bad wire under accel. Fuel pressures at fuel distibutor seems ok control pressure climbs from 30 -60 psi and fuel pump max p...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Chevrolet Lumina APV 3.1L Poor Idle Quality, Hesitation, Surge VIN: 1GNCU06D3L
Thanks to all for response, Gary, Bryan and David were correct. Excessive a/c ripple / wave. Tested and replaced many components. Also found bulletin 92-47-8a indicating possible defective insolation diode. Does not specify were diode in located. Due to age an...
2006 Dodge Grand Caravan SE 3.3L Misfire VIN: 1D4GP24R66
Thanks steve,kirk,kent,ed and william for helping me on this fix,I proceded like steve toll me,on of the wires stay with test lite on(not blinking) replace ecm(reman). That took care of it.thanks guys... Trouble codes: P2302.
2005 Honda Civic EX 1.7L Cooling Systems VIN: 1HGEM22915
shot air into cylinders and cylinder 1 has breech to cooling system. replaced head gasket and all is well. thank you.
1998 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D3W
Almost every reply I received suggested to replace coils with oem units. I had install one new blue streak a month prior and then 5 beck arnlys. So I finally paid the 700.00 plus for nissan coils, oddly two of the beck arnlys had the same markings as the nissa... Trouble codes: P1320 (ignition primary failure).
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