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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 17, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1995 Audi A6 Quattro 2.8L CEL-unknown VIN: WAUGA84A3S
I've recently bought this vehicle, and I'm the second owner. I have all the service records from the previous owner and it's obvious that it was taken care of. One of the few problems, is that the check engine light is on. The original owner had told me that h...
1992 Chevrolet C1500 Cheyenne 5.7L No Start, Stall, MIL Lamp on VIN: 2GCEC19KXN
I have a truck here that's runs great for a min then loses it signal to open the injectors the noid light wont flash ok when this happens I lose my rpm reading too I don't see a crank sensor on this truck if I spray carb cleaner in it it runs this is the other... Trouble codes: 15 (coolant temp voltage high)
1998 Chevrolet Camaro Z28 5.7L Clutch Hydralic System VIN: 2G1FP32GXW
This vehicle first came into our shop last month with a clutch pedal that would go to the floor and not return on its own. We found the slave cylinder leaking. Replace the slave cylinder with a OEM dealer slave cylinder which seemed to have fixed the issue. Th...
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new plugs for about ... Trouble codes: P0141 (p0300-), P0300 (testing and results)
2002 Chevrolet Silverado 2500 6.0L noise VIN: 1GCHK23U12
Replaced, idler pulley, tensioner and alternator and belt.
2003 Chevrolet Express 2500 5.3L Brake Pedal
Hello all, this van has been a nightmare for me over the past week. What happens is that during a panic stop the rear brakes lock , brake pedal goes to the floor and brake light comes on. The rear brakes drag for several seconds than release and vehicle will c...
2008 Chevrolet Equinox LT 3.4L Misfire, MIL Lamp on VIN: 2CNDC33F98
Hello everyone and thanx in advance, we have a issue with a 2008 chevy equinox. vehile came in 2 months ago with only a p0303 misfire on cylinder 3. found a cracked spark plug long ways, we replaced all 6 plugs with ac plugs, car runs fine. 3 weeks later she c... Trouble codes: P0303 (Cylinder 3 Misfire Detected)
1998 Dodge Grand Caravan ES 3.3L Body Control; VIN: 1B4GP54G4W
Van came in would not start. Mechanic checked and said it was in the body control module. We put in a used module and it would start run a couple seconds and die, it did this about 5 times and now we are back to were it wont turn over again. We found out that ...
1993 Ford F-150 XL 5.0L No Start VIN: 2FTPDF15N1
The owner of this truck call me after he and his friend replace the engine because of smoking condition, when I got there, I start to diagnose the problem, and there is no injector signal on left bank. I have tried two used ECM and one reconditioned from parts...
1999 Ford Escort SE 2.0L Heat VIN: 1FAFP13P7X
hello ladies and gentleman, we have this escort that came in our shop with no heat at vents(80F.) and engine temp. is extremely slow to warm up (120F. after 40 minutes inside), cooling fans never came on. brought it in shop and found thermostat not closed. we ...
1999 Ford Escort SE 2.0L heat and engine temp VIN: 1FAFP13P7X
i know i posted on this once but i think everybody is not understanding. in the shop engine cooling system performs correctly - fans on at 228, off at 210 interior vent temp 150-160. drive down the road engine temp drops to 135 and vent temp drops to 85. we ha...
2007 Ford F-150 XLT 4.2L MIL Lamp on VIN: 1FTRF12217
scanner shows 5.11v iat and -40 maf volts 0.01v 0 grams per second unplugging ecm connector and wiring not matching up to alldata info. wires either not in ecm/connector or don't match up to how they should be. anybody having problems with alldata wiring diagr... Trouble codes: P0102, P00, 113 (iat circuit high)
2008 Honda Civic EX 1.8L Accessories VIN: 1HGFA16878
Wipers stop in the middle of the windshield on delay & regular speed but work fine on high speed. After they stop you can turn the wipers off & they always park. There seems to be a module in the fuse box for delay so I called Honda about it & they said they n...
2005 Hyundai Accent GLS 1.6L fuel neck/ cap VIN: KMHCG45C55
Help Hyundai Techs! this vehicle came in with p0442- minor evap leak. confirmed leak between fuel cap and filler neck. Filler neck sealing surface for cap was damaged- we ordered new parts from dealer by vin and replaced them- the cap does not thread in proper...
2010 Hyundai Sonata GLS 2.4L MIL Lamp on VIN: 5NPET4AC1A
I have used scan tool to energize sol and actuator with engine running.Both are working properly.my last resort is to pull intake to see if any of the valves broke free.Has anyone seen this happen on this car.I could not find any TSBs for this issue.Customer n... Trouble codes: P2004 (Intake manifold runner stuck open), P0661 (Intake manifold tuning valve control circuit low)
2004 Jaguar X-Type 3.0L Hvac VIN: SAJEA51C74
The customer brought the car in saying that her A/C was not blowing cold, just warm to hot. With the temperature set to 21 C, the recirc button and A/C button down and lit, the compressor can be seen turning and the high side pressure is at 160 PSI and the low...
2002 Jeep Liberty Limited 3.7L engine VIN: 1J8GK58K42
Hi guys i,ve got a bit of a head ache hear. bought car from a police impound auction first replaced fuel pump for no start. got engine fired up and noticed rod knock after engine warmed up. used engines were too pricey so boss had me tear it down for a recrank...
2005 Jeep Grand Cherokee Limited 4.7L Water leak VIN: 1J8HR58N55
Rain water leaks from factory installed sunroof switch panel/light at the center of the roof panel above the windshield. It doesn't happen if the vehicle is not moved. The two drains on either side at the front are clear and I can send water through them that ...
2000 Lexus RX300 3.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on
hello , thanks in advance vehicle cuts out intermittently with codes p1300 , 305,310,315, 320, and 325. wich are all igniter circuit problem. my question is how do you rule out a bad pcm? if igf signal wires for each coils are not open or shorted Trouble codes: P1300, P1305, P1310, P1315, P1320, P1325
2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D52
Service engine soon,check engine light on. No communication with ecm.Tried 3 different scanners in both vin specific mode and Global obd2,can communicate with air bag and trans models,pulled fuse to ecm to no avail.Any one else experience this on a Sentra?
2004 Nissan Altima SE 3.5L No Start VIN: 1N4BL11D24
This vehicle will have a long crank time before starting at times. No codes present or pending. Generally after sitting for a period of time. On one occasion the vehicle would not start at all. Removal of the spark plug indicated that it was flooded. Plugs wer...
1996 Subaru Legacy Outback 2.5L overheats VIN: 4S3BG6853T
This little ole car overheats after driving 20 miles, we performed the test to check for combustion in the coolant & it passed, had the radiator cleaned out, replaced the t-stat with an aftermarket unit. It appears to be head or gasket related but I thought I'...
2011 Subaru Forester X Premium 2.5L Poor Fuel Economy VIN: JF2SHADC5B
This is my own driver, bought it new in March 2011. The first year I had it the fuel mileage was 22 to 25 around town, 29 to 31 on highway (minimum 100 miles). About a year later the mileage began to drop a couple if miles per gallon each tank full until it bo...
2004 Toyota Matrix 1.8L intake VIN: 2T1KR32E74
Help! This car came with a fast and fluctuating idle at cold start, with p0171 and p0133 codes. Have changed MAF and O2 sensor #1. Now, no pending codes, but he already have fast idle (between 2000-2600 rpm) when cold starting. Idle is already fluctuating by u...
2001 Volkswagen Passat GLS 1.8L No Start VIN: WVWPD63B31
This vehicle was towed in to my shop as a crank/no start. Vehicle was flooded when I tried to start it. Pulled spark plugs and found them fouled with fuel. Replaced with NGK OE plugs and changed oil. Vehicle started fine for 2 days following. When customer cam...
2010 Volkswagen Jetta TDI 2.0L MIL Lamp on, Low boost VIN: 3VWAL7AJ9A
I am preparing to open an additional VW VTA. But before I do I want to see if you guys have seen anything common that can cause this boost concern before I go any further. I could swear I can hear a leak, but before I opened my original VTA I checked for leaks... Trouble codes: P0299 (Turbocharger underboost)
2004 Volvo XC90 T6 2.9L rear diff VIN: YV1CZ91HX4
There is a TSB for the leak in between the two halves of the final drive or rear diff. Pull apart- clean and bevel edge and reseal, problem is Shop key/Mitchell does not have any repair info with torque specs or any other info available. Is this a pretty strai...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A4 Quattro 1.8L No Start VIN: WAUDC28D6Y
Thank you for the reply's to everyone special thanks to Vladamir and Phillip who said to check pin #3, this had no power and was caused by fuse #7 blown, this was missed by visual inspection couldn't check with test light, back check point of fuse were not exp...
1994 BMW 318i 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire
Thank you everyone for your inputs , whilst scratching my head over this problem car with seemingly no answers, a little light bulb went off in this old head that the symptoms reminded me of the many times in the 1980s that I saw cars where the adjustments ins...
1999 Cadillac Seville STS 4.6L instrument cluster,door locks,fuel door,trunk, VIN: 1G6KY5497X
i have not been able to fix this car yet its not the ignition switch and have found after unhooking and hookin up every moudle and the rear fuse box everything has come back except the radio does not work thanks for the replies
2001 Chevrolet Impala 3.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WF52EX1
Thanks everyone with your help with this one. I may not have been real clear as to what the sequence of the issues we were dealing with were. At fist the car came in with all the codes listed above and it had driveability issues like stalling, hesitation, and ... Trouble codes: P1133 (Ho2s insufficient switching sensor 1), P0134 (Ho2s insufficient activity sensor 1), P1635 (5 volt reference circuit 1), P0140 (Ho2s insufficient activity sensor 2), P1404 (Egr closed position performance).
2004 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Surge, with a/c compressor VIN: 1GNDT13S94
Most who replied were correct about "relearning the idle" or reflashing of the PCM. Some suggested replacing the throttle body. However, that is an expensive part and this one was not failing. I took the battery cables loose from the battery and touched them t...
2006 Chevrolet Tahoe Z71 5.3L stability control VIN: 1GNEK13TX6
Hello all thanks for the great advice. I determined that I have a defective steering angle sensor, or a dinked up collum. I failed to mention in my original request that the wheel was slightly off to the left. I cleaned and replaced one of the front speed sens...
2008 Chevrolet Cobalt LT 2.2L parking lights VIN: 1G1AL58F58
I really appreciate everyone's input. The cars been on the road for a week with no issues. This problem was intermittent enough I wanted to give it a week before I reported. Betweeen plowing snow, keeping up with existing workload and having a headache Cobalt ...
2007 Chrysler Sebring Touring 2.4L Unknown VIN: 1C3LC56K87
Thanks for all the replies...Sean from Washington was very close to the problem...What it turned out to be was carbon on the valves causing them to stick at hi rpm..Cleaned the valve system as per a tech bulletin we found on Direct Hit on this exact problem.Ru...
2003 Dodge Sprinter 2500 2.7L Proportioning valve VIN: WD5WD64203
No useful info received, customer is satisfied as is, so no repair will be performed.
2003 Dodge Sprinter 2500 2.7L Knocking VIN: WD5WD64203
Thank you to all who replied. No one thought cylinders could be cancelled with any tester. Method of capping off high pressure line with Miller Tools cap would certainly work, but pretty hard to do. Suggestion of plugging in dummy injector might work. We tried...
1996 Ford Mustang 3.8L water pump VIN: 1FALP4045T
Thanks for all the responses. The tube was broke right at the o-ring. There were no rusty jagged edges and the tube end looks like a finished cut on the bottom. This is because it broke at the bottom of the groove so the outside edge still looks like a clean ...
2000 Ford Explorer XLT 4.0L No Start, Stall VIN: 1FMZU73E8Y
thank you iatn members your info is valued, we opened this motor up, got everything lined up to find both camshafts advaned, conclusion jack shaft chain jumped due to bad guides,beleive chain jumped when engine died which became a secondary problem once primar...
2005 Ford F-150 FX4 5.4L engine noise VIN: 1FTPX14535
Had lots of replies on this one, most indicated that oil pressure was too low & engine replacement was recommended, which we strongly agree. A few replies on possible cracked or loose pick-up tube for gauge fluctuation, crankshaft end play measured .010, high...
2004 Honda Accord EX 2.4L 3rd gear VIN: 1HGCM55684
Thanks for all the replies, the fix was too replace 3rd gear set, 3 weeks on the lift to get parts a have gear set installed. lots of snow here in central jersey backing everything up. And don't forget to install very small spacer under speed sensor so it does...
2004 Jaguar X-Type 3.0L Locking VIN: SAJEA51C74
Late last week, before I received the replies, I took my Autologic into the car and went through all the key clearing & resetting routines available. I read later that I didn't need to reset the key function, but I had already done it by then. I had some diffi...
2005 Jaguar XK8 4.2L Cuts out VIN: SAJDA42C35
I did take the area around the headlight switch apart to examine the visible wiring on the switch and could find no broken or detached wires. I did replace the switch as the owner wanted it done because he had gotten the diagnosis of the switch from the dealer...
2002 Toyota Highlander Limited 3.0L Engine
Thanks everyone who responded, I have yet to fix the engine but now I know that I deffently need a 4WD block!
2001 Volkswagen Jetta GLX 2.8L No Start, Stall VIN: 3VWTG29M51
Okay I want to thank for all your replies. Well finally we took the car to vw, since we don't have the software to check it. They also had a hard time figuring out. The final conclusion was the CLUSTER. If you guys are familiar the car's CAN bus runs though th...
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