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Prev Professional Automotive Repair Technical Discussions for September 10, 2020
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Chevrolet Blazer 5.7L Poor Idle Quality VIN: 1GNEK18K9R
Customer states vehicle runs fine, except on cold start it starts good and runs good for 4 to 5 seconds then runs rough and misfires for 30 to 60 seconds. After 30 to 60 seconds at 60 d. f. it will clean up and run correctly. Customer stated this problem s... Trouble codes: 33 (MAP sensor)
2004 Chrysler Sebring Touring 2.7L battery light, multiple high voltage codes VIN: 1C3EL55RX4
On this vehicle I started with battery light on instrument cluster. Scanned for codes- Found multiple items had high voltage codes and generator field circuit code. Tested battery- found battery to be bad so replaced battery. Light and codes still present ...
1999 Dodge Ram 2500 8.0L No Start, MIL Lamp on VIN: 3B7KF23W8X
Stumped!! Intermittent no start (getting more consistent, like every third time attempting to start)(cranks great every time). Every time a no start occurs a code P0320 stores for the crankshaft position sensor. Unbelievably these sensors for the V10 are o... Trouble codes: P0320 (Crankshaft position sensor problem.)
2003 Ford F-250 Super Duty XLT 6.0L Calipers VIN: 1FTNW21P03
Also had a 2002 f250 super duty 7.3 that this happened 3 times. Each time replaceing calipers rotors pads and hoses. Could it be a module? dump valve? no codes
2004 Ford F-150 FX4 5.4L Evap VIN: 1FTPX14524
Tested EVAP system and no leaks found vacuum or pressure. The FTPS reads 2.39 volts all the time (multimeter reads 2.31 volts at sensor, scan tool reads 2.39 volts) with atmospheric pressure and engine vacuum. Power & grounds check good. What are missin...
2006 Ford Explorer Limited 4.0L MIL Lamp on VIN: 1FMEU75E76
is there a way for me to either change the vin in the used pcm or in the abs module i get a miss match vin in the abs module i did get the as built data but one it doesnt have the information that my scanner is asking for but I dont think that will solve t...
2007 Ford F-150 XLT 5.4L starter VIN: 1FTPW14V67
OK everyone I am pretty sure I have a dab computer. After replacing starter we found that the computer is not grounding the relay. With relay tester installed I can ground terminal 85 of relay and get the vehicle to turn over. Tested wire from computer to ...
2017 GMC Acadia SLE 3.6L Unknown VIN: 1GKKNLLS2H
Hi, I am trying to find the location RPO codes on the mentioned vehicle. Is there a website that will provide you with RPO codes for GM vehicles? Where can I find it on TIS2web? Thank you for you time.
2007 Honda Accord EX 3.0L tac,speedo,alt.ect VIN: 1HGCM66567
I think its the ELD in the fuse box. Any other ideas.
2008 Honda Accord EX 2.4L Will not shift out sometimes VIN: 1HGCS12718
We bought this car from auction a few months back, i have been messing with it off and on. Had a input speed sensor code in it corrected it with putting correct shim in it. Now im having a issue with it not wanting to shift after I slow down to about 25 mp...
2005 Jeep Wrangler Sport 4.0L Stall, MIL Lamp on VIN: 1J4FA49S75
Problem Started with fuel Gauge dropping to zero a couple of times. Mil and low fuel light on. P0464. Turn key off and on and gauge working again. Clear codes and good for 1 week. Hottest day of the year and stopped to Gas up. Restart and tach to zero then... Trouble codes: P0464 (Fuel sender voltage low), U0155 (Lost communication with dash), P0300 (Random misfire)
2009 Lincoln Navigator 5.4L Poor Idle Quality, Poor Idle Quality VIN: 5LMFU28579
It came in with a misfire on all cylinders on the passenger bank. Found bad rocker arm on cylinder 2 and bad cam. We replaced bank 1 cam all lifters and rocker arms on both banks and keepers on valve with bad rocker arm. Had head and valves checked and lap...
2013 Ram 5500 Tradesman 6.7L high rail pressure VIN: 3C7WRMAL4D
have a 2013 ram 5500 6.7 with p0088. have replaced rail pressure sensor, fuel filters and cleaned Fuel regulator. data pids show rail pressure at 12k but desired pressure is 8k. tested wiring at rail pressure sensor, checked 5v ref and ground with sensor c... Trouble codes: P0088
1993 Toyota Pickup DLX 3.0L Cuts out VIN: JT4VN13D6P
this truck has me stumped. you will be driving down the road and it will just die and it will drop below [...] it will pick back up like you turned a switch off when it does it will stay doing it you can turn the engine off and start it back up and it w...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 GMC W4500 Forward W4S042 6.0L Condenser Fan VIN: 4KDC4B1U17
THANK YOU ALL!!! With the wiring diagrams that Davon sent me and Franco's guidance on pin identification I was able to test the system properly. The switch was indeed bad. It gets power from the same fuse as the compressor to operate the condenser fan relay. W...
2017 Hyundai Elantra GL 2.0L Electrical surge VIN: KMHCT5AE0H
Well this one is fixed. As suspected and with the helpful insight of others we installed a brand new Hyundai alternator and now all the planets seem to be in alignment. Voltage remained at 14.07 volts and no surges from the blower motor while driving. I will n...
2013 Lexus RX350 3.5L Check engine light VIN: 2T2BK1BA1D
As recommended by some, I checked the tr sensor adjustment which was correct, also connector was fine with no loose fitting pins, no problem with contamination in console, customer decided to replace trans with a used unit due to replacing the vehicle in the n...
2012 Mazda 5 Sport 2.5L Surge, Stall VIN: JM1CW2BL2C
Thanks to all for replying , most of all Alan [...]. , after cleaning throttle body which needed it severely,i performed the complete relearn proc. suggested by Alan , worked great . customer happy . Thanks Again
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