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Prev Professional Automotive Repair Technical Discussions for January 21, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Chevrolet Impala 3.4L Misfire, Pops out intake VIN: 2G1WF52E23
Got this car in the shop, misfiring and poping out the intake, was able to narrow it down to cylinder #2 pull the ign wire off and it will stop poping out intake. Performed a compression test on cyl 2 with 140psi result. I swaped the plug and coil with no chan... Trouble codes: P0300, P1189
2004 Chevrolet Silverado 2500 6.0L Clock VIN: 1GCHK29U44
We have installed a remote start system in this vehicle , Customer Also has a Progrevise snap shot on his aldl connector , but intermently when remote starts it will reset the clock in the radio to 12:00 and says it will kick out his snap shot, The bypass modu...
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCJK33135
Truck has no other symtoms besides MIL ON, codes are P0101 MASS performance and P0299 Turbo Underboost, ALready replaced MASS and Boost Sensor, Checked for air leaks, remove carbon form Admision, checked EGR valve, , verified NO exhaust restriction, replaced A... Trouble codes: P0101 (Mass Performance), P0299 (Turbo Under boost)
1999 Dodge Ram 1500 Truck 5.9L Heat VIN: 3B7HC13Z4X
Thanks in advance folks! I have this Dodge truck with no heat what so ever. With temp control on cold, it blows frosty cold air. With the temp control on hot, it blows outside ambient temp air. Temp blend door motor works (you can see the shaft rotate when con...
2003 Dodge Ram 2500 Truck 5.9L No Start VIN: 3D7KU28613
vehicle came in excessive crank cold. Tested air intake heaters they are drawing similar amperage. Activate air intake heater relay with scan tool works every time. Am able to start vehicle more easily by manually activating intake heater. Battery temp, Intake...
1990 Ford Taurus SHO 3.0L No Start VIN: 1FACP54Y1L
This is one our regular customers. Came in with a complaint of a hard brake pedal when comming to a stop and applying both clutch and brake pedal. Diagnosed as the brake booster being bad. All codes are continous memory codes. After replacing the brake boost... Trouble codes: 19 (KOEOPCM Internal Voltage/ConCID Circuit), 33 (Insufficient EGR flow), 41 (EGO not switching Lean exhaust B1), 66 (AirflowMAF/VAF signal low circuit ground), 67 (PNP or Clutch switch circuit failure)
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1FTSW31P94
Replaced A/C Compressor. F-350 ran fine after repairs were preformed. Ran for one hour as normal. Truck was moved out of the shop and when placed into drive became hesitent and produced a bad idle, runs as if it has a Big Boy Cam from the muscle car days. Repl... Trouble codes: P0480, P0488, P0670, P0623, P0688
1999 GMC K2500 Sierra SLE 5.7L MIL Lamp on VIN: 1GTGK23R7X
I can fix everybody elses vehicle, but I cant fix mine, because I usually dont have the time,or patience at the end of the day, so I thought I would throw this atcha! I can not get the cam-crank to correlate, and Im drawing a blank. I never removed the distrib... Trouble codes: P1345
2006 GMC Sierra 1500 SLE 4.8L Block Heater VIN: 1GTEK19V36
This truck has a thermostat type switch in the end of the engine block heater cord. I think it will only flow current below -18 C. Is there any way to test it other than waiting for it to get cold enough?
2006 Mazda 3 i 2.0L Surge
car was brought it for a surging on acceleration and on deceleration. rpm bouncing between 1200 and 800 at idle in park or drive. on the scanner it skips 3rd gear. when u manually select 3rd on the tip tronic it goes into 4th. car bucks and jerks on accelerati...
2001 Mercedes-Benz CL500 5.0L ABC Suspension VIN: WDBPJ75J11
Vehicle displays category 1 (red message with chime)warning "Active Body Control, Drive Carefully" for just an instant when driving over significant dips in road when travelling over 35 mph. Seems to occur as suspension is unloaded during rebound. Does not hap...
2007 Saturn Ion-2 2.2L No Start VIN: 1G8AJ55F67
Thanks in advance for your time. Customer has an issue of no start only after filling fuel tank. Shut off engine and fill tank. Restart has engine cranking but no start. Has been described as feeling like it's flooded. After sitting 10-15 mins. engine will res...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW X5 4.4i 4.4L Charging VIN: WBAFB33501
Jared & Trevor from California nailed it. This is exactly what happened as Trevor writes "Sounds like the instrument cluster may be fried. This is usually caused by the coupling capacitor on the igntion coils not being gounded. There is a brown wire coming out...
2002 Buick Century Custom 3.1L No Start, Stall, MIL Lamp on, Security light on VIN: 2G4WS52J52
I went through, again, checking grounds, voltage supply and voltage references. Nothing unusual. Considering the fact that I have had this car for a couple weeks and have exhausted ideas, I sent it to a third GM dealer. Although this time not to flash BCM or P... Trouble codes: U1064 (Communication lost with bcm), P1626 (Theft enable lost).
2000 Dodge Ram 1500 Truck 5.2L Pump,lines,box VIN: 3B7HC13Y9Y
my gut is telling me the gear box, but the customer dosen't want to take that chance. he took it else where.
1984 Ford E-150 Econoline 5.0L Poor Idle Quality, Hesitation, vibration VIN: 1FTDE15F1E
First of all thanks for all that tried to help. about 30 mins after posting my request I figured out that the balancer had come apart and peices of it got in the timming chain and made it skip. the balancer rotated causing the vibration and the chain was the o...
2000 Ford Taurus SE 3.0L door locks, power windows, courtesy lights, blower
Thanks to the two techs that replied. Turns out there was an open in the fuse box circuit. Repaired the open, everything works. Thanks again for your help. Ron [...]
2005 GMC Envoy SLE 4.2L blower fan VIN: 1GKDT13S65
most guys said ignition switch ,, checked ignition circuit , didnt find anything powering down so i am leaning towards the HVAC module ,, quoted the customer for a new ignition and to have the module repaired vs replaced my thinkin...
2004 Honda Civic EX 1.7L closed loop operation VIN: 2HGES26784
I put an oem thermostat from the dealer in it and it's fixed. Thanks for the help guys. It heated up to 183 nice and quick with the right thermo.
2009 Mazda 3 Mazdaspeed 2.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
After 2 weeks the customer reports the egine light has not come back on after changing the a/f sensor. I do believe it will relight as long term fuel trims were hovering around -10 when it left. Trouble codes: P2188.
1998 Mitsubishi Eclipse Spyder GS 2.4L Poor Idle Quality, Cuts out, Stall VIN: 4A3AX35G3W
OK its fixed!!! Turns out that when the idle valve went out it back fed to the ECU and smoked some diodes. A "NEW" to the car ECU and a new idle valve fixed the problem. Thanks for the help. Trouble codes: P0505.
2004 Nissan Maxima SL 3.5L Fault Mode VIN: 1N4BA41E44
Thank you for the replies, the customer has not returned the vehicle for repair & I'm not sure when he will. When he does I will check the cam sensors, sensor gap, & throttle body as suggested. Thanks again for the suggestions.
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