Automotive Technicians Technical Discussion and Fixes for May 9, 2016

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	Help Request	Answers
	2008 Audi Q7 Premium 4.2L MIL Lamp on VIN: WA1BV74L88 Vehicle came in with codes described above, first thing I did was check power and ground to pump and found the pump was faulty. (Disconnected hose from pump and water came out) After a couple of test drives, the codes came back. Verified vacuum to both solenoi... Trouble codes: P0491 (P0491 - Secondary Air Injection System Bank 1 Insufficient Flow), P0492 (P0492 - Secondary Air Injection System Bank 2 Insufficient Flow)	View
	1994 Buick LeSabre Custom 3.8L Surge VIN: 1G4CW5218R When ambient remp. is 85°+ vehicle will not throttle up after coming to a stop. No obd1 codes, driver took car to GM dealer spent money on diagnosis; no joy. When car is towed home it'll restart and drive fine after initial failure.	View
	2005 Chevrolet Avalanche 1500 LT 5.3L MIL Lamp on, Fuel Leak VIN: 3GNEK12Z55 Vehicle was in previously for a fuel leak. The flooded canister, the vent valve/filter assembly, and the gas tank assembly was replaced last visit. These parts were supplied by Chevrolet. Vehicle has returned and fuel is dripping out of the canister vent val... Trouble codes: P0452 (Fuel Tank Pressure Sensor Circuit Low Voltage)	View
	2010 Chevrolet Cobalt LT 2.2L Engine Failure VIN: 1G1AD5F57A Hi All: I have the above vehicle with a failed engine. It appears to have lost oil pressure to the front camshaft. Plenty of broken valve train parts. The decision is to install a used engine. Book calls for dropping the powertrain through the bottom. I'm won...	View
	2012 Chrysler Town & Country Touring L 3.6L Battery Draw VIN: 2C4RC1CG0C Battery drawing about 1.9 Amps, I did founded fuse J11 30AMP but Mitchell On Demand has no info about this fuse. I did check Power Distribution wiring diagrams with no result. This fuse (J11) controls Power sliding door Modules, Anti Theft Module Relay Lock Fe...	View
	2003 Dodge Intrepid SE 2.7L No Start VIN: 2B3AD46R93 Ok on this one I have a crank no start. I have no spark or a very weak noid light. Fuel injectors are working just fine. I have checked and have a good cam and crank signal. I even tried unplugging the cam sensor. with cam sensor unplugged I have no noid at co...	View
	2003 Dodge Dakota Sport 4.7L Cat monitor VIN: 1D7GG36N73 Truck was rejected for the IL Emissions test due to Cat monitor not supported. I found TSB#18-032-10 that covers the problem with a lifetime warranty... simple flash of the PCM. Took the truck to a local Dodge dealer to have it done. Dodge called stating the t... Trouble codes: P1603 (Pcm internal dual-port ram communication failure), P1698 (No CCD Message From TCM)	View
	1969 Ford Thunderbird 7.0L window VIN: 9Y84N12510 The problem is passenger window goes up real slow no matter what switch is used.When I put 12v to the connector @ the motor the window goes up normal. I know that I've got some voltage drop testing to do, but the problem being no wiring diagrams in alldata. Di...	View
	1988 Ford F-350 Custom 5.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 2FDKF37H0J First off thank you for your assistance. I have inherited this vehicle from our other repair facility all parts have been replaced at the other shop. When they were dun throwing parts at it they send it to me to figure out. When the vehicle is idling the ignit... Trouble codes: 34 (EGR evp Closed Valve Signal too High)	View
	1997 Ford F-150 Lariat 4.6L Gem VIN: 1FTDX18W0V 4x4 does not work. No lights on the switch. "Low Range" light is constantly lit on the instrument panel. Turning the switch does nothing, no clicking from the relay module in the dash, nothing. Every thing tests OK. Fuses are good. I have power everywhere I sh...	View
	2000 Ford F-250 Super Duty Lariat 7.3L Steering VIN: 1FTNW21F3Y The problem the customer is having has to do with brakes. First of all it does not do it all the time. He will make a turn then the steering will get hard and the steering wheel will turn back and fourth like a belt that has broken in the tire (driving slow wi...	View
	2003 Ford Thunderbird 3.9L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAHP60A83 We received job from another shop.They had replaced the coils to repair this problem.It did not help so we checked it over checked the connections to the Throttle body , the accel pedal and all the grounds we could find. We then reprogrammed the engine to the ... Trouble codes: P2107 (TAC system module Processor), P2110 (TAC Forced limited idle)	View
	2013 Ford Fusion S 2.5L Poor Idle Quality VIN: 3FA6P0G71D I work for a large used car dealership This vehicle originally went through our shop and had minor repair done..break pads and oil change and general inspection. Was shipped out to one of our lots and then started having issues with the idle wanting to "roll" ...	View
	2009 GMC Sierra 2500 HD SLE 6.6L Park to drive shift. VIN: 1GTHK54659 Greeting Allison trans techs. Customer with this GMC had it towed to me as a Runs but no-go. Stated that he started the vehicle and backed out of his garage but when he shifted from Reverse to Drive there was the seemingly normal engagement feel of the transmi...	View
	2008 Jeep Grand Cherokee Limited 5.7L Four Wheel Drive VIN: 1J8HR58228 Well this jeep is stuck in four wheel drive. No codes. I removed the 4X4 drive motor from the Transfer case. Then manually I can shift it in to 2 wheel drive But feels like there's a lot of play in the shift spline. Thinking i need a transfer case. Scan test s...	View
	2006 Kia Sedona LX 3.8L MIL Lamp on VIN: KNDMB23326 Looking for information on this kia,I need to repair the single black wire connector that plugs into fan controller coming from fan relay,the terminal is burnt and the housing that holds the terminal end is gone.kia says buy whole wire harness.their has to be ... Trouble codes: P0480	View
	2014 Mazda CX-5 Grand Touring 2.5L Start/Stop VIN: JM3KE4DY5E Note: this model is a Push Button start/stop system. No key cylinder. Out of State "Customer" had car towed to us. Left us only ONE of two transmitters. Story: Customer jumped started another car with this vehicle. Claims no sparks/no problems evident duri...	View
	2007 Mini Cooper S 1.6L Misfire VIN: WMWMF73567 This Mini will keep setting the Vanos code and have misfire at idle. Most of the time it will run perfect but at times the Vanos is sticking and causing it to run rough. I used the correct tools to set the timing up. When using the tool that threads into the t... Trouble codes: 287E, 287D	View
	2004 Nissan Pathfinder Armada SE 5.6L Cuts out VIN: 5N1AA08B94 please help ! this suv will cut out after engine warm up any where high way or on slow driving happen 3 time for my customer 1 one on me when i test drive it high rpm and low rpm cut out and died re start it will start right a way it act like no electrical at ...	View
	2008 Nissan Altima 2.5L Electronic VIN: 1N4AL21E08 i have this nissan in here that would not going over [...] and brought it in and found U1000 can comm line p0705 park/neutral postion switch p0826 manual mode switch circuit was wondering if these things are common for pnp switch or are they common for comp...	View
	2012 Ram 1500 ST 4.7L Steering VIN: 1C6RD7FP5C Hi all. This Ram 1500 4wd has noisy steering. The rack has a vey loud hiss that can be heard in the cab. When the steering assist is not required, the rack hisses and when we do a parked turn it will not hiss when assist is required. On the road, it will hiss ...	View
	2002 Toyota Corolla CE 1.8L No Start, Cuts out, Stall VIN: 1NXBR12E92 Vehicle came in and customer stated she need a af ratio sensor. I scanned checked out and and verified. I replaced the sensor, cleaned the throttle body a few cleared the code. She left and ab out 2 weeks later are she returned and said after driving and comin...	View
	2008 Toyota Sequoia Limited 5.7L MIL Lamp on VIN: 5TDBY68A58 Hello, This well maintained Sequoia came in with MIL light on and a single code P0018 (Bank 2 intake cam to crank correlation). Oil level and condition is full and clean. Engine runs perfectly smooth and quiet with good power at all times. Mitchel Diagnosti... Trouble codes: P0018	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 Audi A4 Cabriolet 1.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge VIN: WAUAC48HX6 Thank you for all the responses. I had my tech go back out and double check and he did find hose he missed. Simply squeezed hose going from intake near middle on drivers side going down to the PCV hoses. Feeling stupid, we knew better. Replacing all the hoses... Trouble codes: 17887 (Brake booster system), 17705 (Pressure drop between turbo and throttle), 17536 (Fuel trim bank 1 multi), 16555 (Fuel trim bank 1), 16685 (Random miss fire too lean).	5
	2007 Audi A4 Cabriolet 2.0L MIL Lamp on VIN: WAUAF48H87 Thank for the replies! It turns out the N75 was defective it had an internal problem. The vehicle now builds up plenty of boost, it's a day and night difference! Driving with the tester hooked up you can see the boost climbing dependent on load. I would sugges... Trouble codes: P0299 (Boost Pressure Regulation control range not reached).	3
	2009 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUSF78K99 Unfortunately the customer has not returned yet, and I must close this. I checked history on this car, and found we replaced the breather a few months ago. It was not OEM, so I think I will try an OEM one when they return. The problem is so intermittant, the c... Trouble codes: P2279, P2271 (O2 B1S2 too rich), P052A, P050B, P2178 (System too rich off idle), P0506 (Rpm lower than expected).	6
	2001 BMW X5 3.0i 3.0L battery drain VIN: WBAFA53591 thanks for everyone's input. i finally found the problem was caused by a "dice" module that is used to hook up an ipod. i saw the unplugged ipod cable and read a tsb about this aftermarket module causing it. the remaining draw was 36ma.	20
	1990 Cadillac Commercial Chassis 4.5L No Start VIN: 1G6CB1332L Wow! What a Ride. We had to Replace the Distributor again! Running and Down the Road! Thanks Again! You ALL ROCK! Fred Trouble codes: 41 (Cam Sensor Signal Problem).	22
	2008 Cadillac DTS 4.6L radio VIN: 1G6KD57Y08 Group I advised customer I needed more time for testing and they did not want to pay anymore than an hour for anything. Stated they weren't bothered too bad by it so they took as is. Thanks for the help.	8
	2004 Chevrolet Corvette Z06 5.7L Differential VIN: 1G1YY12S94 Someone was definitely trying to fix a leak on this before me. I removed the differential this morning and upon closer inspection I found the output seal on the rear of the transmission was installed backwards. I installed the seal the same way the old seal ...	6
	2004 Chevrolet Suburban 1500 LS 5.3L precharge pump VIN: 3GNEC16Z74 It did end up being the left front wheel speed sensor. It was so brief that you could only catch on scanner periodically. Was able to remove it and clean rusty surface. Being here in NY we see the false activation all the time just before the vehicle comes to ...	14
	2005 Chrysler Pacifica Touring 3.5L MIL Lamp on VIN: 2C4GM68445 Sorry for the delay in closing this - wanted to make sure it was fixed. Just received conformation from customer that light has stayed off this whole time. Shortly after opening this request we installed an OE Mopar EGR valve and that has been the fix appare... Trouble codes: P0404 (Egr position sensor performance).	9
	2001 Dodge Ram 1500 WS 3.9L low power VIN: 1B7HC16X61 I agree with the consensus of most members that there is nothing really wrong with this vehicle other than in the customers mind. Further testing proved this. Engine had 49 lbs of fuel pressure and never tapered or dropped off and a vacuum reading of 21. What ...	27
	2001 Dodge Ram 2500 5.9L Poor Fuel Economy VIN: 3B7KF26Z51 It came in again with an overfill problem (3 to 4 quarts) or 8 to 10 inches overfill on the dipstick. I put in a new thermostate and oxygen sensor this time. The oil is not cream colored so I guess it would have to be gas (I do not have a good hose so it hard...	15
	2003 Dodge Sprinter 3500 2.7L Stall VIN: WD2Y054263 Replies indicated OE fuel filter and fuel heater were essential. Customer is very good tech in his own right (commercial heat & air/boiler/pipe fitter) and had been doing his own filters with aftermarket parts. Installed OE filter [...]) and plastic valv...	3
	2004 Ford Explorer Eddie Bauer 4.0L transmission VIN: 1FMZU74K54 The general consensus was that there the pump control valve is a pattern failure part for this condition. The customer did come by to pay for the bill. Lesson learned. The transmission place the the vehicle was towed to had the gall to call me and ask...	16
	2010 Ford E-350 Super Duty 6.0L No Start VIN: 1FDWE3FP6A The old style hpop has the ball bearing pressed in the hole . I have the updated version . The hole is for the low oil pressure bleed off . The ipr solenoid closes the port for that hole . I replaced the ipr solenoid and all is good . Did not need the hpop r...	9
	2005 Hyundai Santa Fe GLS 3.5L Unknown VIN: KM8SC73E95 first of all i want to thank all the members who replied it was pretty much unanimous that the issue was with the unit bolted to the front of the rear diff. i unplugged it and the issue was resolved. customer is deciding whether to replace or not. 35 years fix...	12
	2000 Land Rover Range Rover HSE 4.6L No Start VIN: SALPV1642Y Happy to say another used ECM was the fix.It is necessary to recode the BECM with the Bosch ECM code and that is all.Using Autologic,the ECM code is listed under "Security"for the ecm. Niall was correct in his reply that the bad used ECM was taking down the...	4
	1996 Mercedes-Benz E320 3.2L No Start VIN: WDBJF55FXT This e320 is up and running again. my scan tool for Mercedes went brain dead, so i had to do this the old fashioned way. everything was as it should be except there was no injector pulse to ground. crank sensor had good signal,fuses were all good, in e box pin...	4
	2007 Pontiac G5 GT 2.4L No power VIN: 1G2AN18B17 Thanks to all who replied, Sorry to be late closing this, I did not mention that we had previously done a memory clear and re-learn with no change in how the car ran. We had suspected the brake light switch as several had responded, but it seemed to check o...	6
	2008 Subaru Impreza WRX 2.5L engine block VIN: JF1GE75618 First thank you to all of you guys who took time to reply and offer advice and hypotheses of what may have happened. What I know is that detonation happened, it blew the heck out of the engine, there was oil in the intake manifold and in the intercooler, the b...	28
	1997 Toyota T100 DLX 3.4L Extended crank VIN: JT4TN12D3V Thanks for all who replied but especially Wayne from Manitoba (murray) who posted this test. Fuel pressure should be 21 psi for a minimum of 20 min. Pinch off the return line & recheck after 20 min. If pressure drops as prev, pinch off supply line after pressu...	8
	2008 Toyota Prius Touring 1.5L engine VIN: JTDKB20U08 Thanks for all the posts. I came in Monday morning and the 12 volt battery was dead. I disconnected the 12 volt and charged it and hooked it back up. Mistake there. That set codes in the hv system and the gateway system. The code in the gateway system would er...	6

(Also Available: All, Asian, Chrysler, European, Ford, GM.)