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Prev Professional Automotive Repair Technical Discussions for April 9, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
1995 BMW M3 3.0L Poor Idle Quality, MIL Lamp on VIN: WBSBF9323S
This is the first time i ask for help, since i become iAtn member, I am working on a 1995 BMW M3 3.0L M/T with high idle ( 1500 RPM Idle ) and check engine light stays on with code 73 throttle position sensor circuit.i replaced the throttle valve switch or sen... Trouble codes: 73 (Throttle Position Sensor Circuit)
2001 Buick Regal GS 3.8L Stall VIN: 2G4WB55K51
This car starts and runs fine when cold but when its warm it will start up and run couple seconds and the idle drops and it stalls It is not a theft problem. The fuel pressure is ok no vacuum leaks and no codes. there is no gas in the fuel pressure regulator a...
2007 Chrysler Aspen Limited 5.7L Park Assist VIN: 1A8HW58287
Backup sensor system inop - has codes in system for all 4 sensors. I have plugged in each sensor 1 at a time to the same connector at facia, 2 sensors set codes as soon as I run the wiring test with Witech, 1 sets cir low code, 1 sets ring time too short. 2 of...
2006 Dodge Ram 2500 Truck SLT 5.9L Trans Mount VIN: 3D7KS28C46
Hey folks, hope you can help on this one. Already checked for tsb's and in the knowledge base on this one. Here is the problem. The rear transmssion mounting bolts broke inside the case. After checking the motor mounts, they are good. Drilled them out and thro...
2002 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNX21F62
Hello, Truck was dropped off as hard start cold,runs rough couple mins then runs good, customer drove truck to shop sat 2 days and I have not had it start as of yet, temp here is about 70. Glow plugs and control working,oil pressure gauge comes right up crank... Trouble codes: P0340, P0470, P1247
2004 Ford F-350 Super Duty XL 6.0L No Start, Poor Idle Quality, Hesitation, Cuts out VIN: 1FTSW30P84
Truck came in hard start when hot. Scanned and replaced ficm and towed to dealer to flash,replaced egr, and cleaned. Now it has a p0700 trans. Control system code and intermittent hard start when hot. When it does start it has no power like not firing on all c... Trouble codes: P0611, P0700, P1335, P2614, P2617
1992 Mercedes-Benz 500SL 5.0L Misfire VIN: WDBFA66E9N
Gentlemen, have diagnosed faulty ignition control module as cause of coil #1 not firing causing no spark at four cylinders. Customer does not want to spend the $2,300 the dealer is asking for module. Have tried IMC, LKQ and can not locate. If anyone has good E...
1995 Pontiac Sunfire GT 2.3L Alternator VIN: 1G2JB1241S
Hi everyone. I need help on this one. The red battery is showing on the insterment panel. I put on a reman alternator and a known good battery. Same problem. If I check voltage at the alternator out put terminal with engine running or not, I have no voltage at...
1998 Pontiac Grand Prix GTP 3.8L No Start VIN: 1G2WP1215W
problem started immediately after changeing the nose cone on the supercharger. was replace as bearing was noisy. After road test vehicle would turn over but not start. Put scan tool on. no codes. Noted no injector pulse. rpm good. no 3x reading 18x ok. battery...
2001 Saturn SL1 1.9L Calipers VIN: 1G8ZH528X1
1998 Subaru Forester L 2.5L Compression VIN: JF1SF6353W
Customer bought a motor from Japan. It didn't come with a EGR passage way so we used the heads off the old engine. The pistons on the Japan engine were shapped differently. They had premolded valve cut outs. The old engine just had a rectangle cut on the top. ...
2001 Toyota Corolla CE 1.8L Poor Idle Quality, MIL Lamp on VIN: 2T1BR12E11
Hi all, I have this 01 Corolla that is running lean at idle and a little rough. at 4000rpm fuel trim is less than 5%. at 2000 rpm its about 15%. fuel trim short and long add to 28%-33%at idle. tried cleaning the MAF and replacing with used one. same MAF readin... Trouble codes: P0171
2004 Volvo XC90 2.5T 2.5L Unknown VIN: YV1CZ91H44
This trans was repaired by trans shop because of internal components failure. Code Po717: input/turbine speed sensor A circuit no signal comes right after clearing it. My genesys was able to comunicate just once to retrieve code on OBD2 generic. On vehicle spe...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Audi A4 Quattro 2.0L Poor Idle Quality, Cuts out, MIL Lamp on VIN: WAUDF78E36
The Audi has benn fixed!! All the responses were very helpful. However, the route cause of the problem was the engine timing. I was certain that I timed it correctly, but apparantly I made a mistake. I took it all apart again and re-timed. The cam was retarde... Trouble codes: 08583 (Undocumented), 05634 (Undocumented), 00022 (Warm Air Flap), 01089 (cabrio roof switch).
2002 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54K22
Good morning to all This car is fixed I checked all the antitheft issues and they all checked ok.Thanks to Bryan [...] he hit it right on the head,it was the maf sensor.I removed the maf sensor and cleaned it reinstalled it same problem.So I took Bryans advice ... Trouble codes: P0101.
2003 Dodge Neon SE 2.0L MIL Lamp on VIN: 1B39526C23
After Changing the Cam sensor the Cam/Crank Diff. Changed to 6 Deg. Changed timing belt thinking the rest was streach in the belt and I had no Change. Crank sensor Was changed bc of damage when removed for inspection. No change with the new sensor. Trouble codes: P0016.
1995 Ford Ranger XLT 2.3L Turn Signals VIN: 1FTCR10A5S
yep apparently this truck used to have hitch wiring at front of truck. the wiring was cover with oil between engine and crossmember. pulled the wiring out and found out that the wires were striped. replaced wiring and took care of problem.
1997 Ford Explorer XLT 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FMDU32E0V
Thanks to all the support out there.. This on is not fixed to say.. But there is alot of useful information here. There is a TSB on the timing chain guides breaking on these engine for specific build dates & plants.. Mine was one of those affected.. Built i... Trouble codes: P1506 (Idle Air Control overspeed error), P1000 (OBD II Tests Incomplete).
1998 Ford F-150 4.6L Gauge VIN: 1FTZF17WNA
Found that the sender installed was sensor for ECM, removed and installed sender for gausge and it fixed the going hot problem, but now it it only reads cold. It is just an beat up work truck so customer just wanteda add on temp gauge under dash. mThanks for a...
2003 Saturn Vue 3.0L engine VIN: 5GZCZ63B43
Issue ended up being that a small rock was found in the timing belt area and the timing had jumoed. By the time we found the issue, we found bent valves. Waiting on customer to fix. They declined the timing belt componets and brought their own timing belt. We ...
1993 Toyota 4Runner SR5 3.0L Cluster Power Windows VIN: JT3VN39W6P
Well, This one has been repaired at last. We have been very busy being Tax time and just now got back on it. USED Dealers can wait the 4-runner belongs to no one and not a Customer in wait.No Rush. In this case all that responded were right on the money on t...
1998 Toyota Camry XLE 2.2L ignition lock cylinder VIN: JT2BG28K8W
Thanks to all who replied, especially the ones who suggested taking the lock cylinder to a locksmith to be repaired (an option I hadn't considered). Because I was unable to turn the lock cylinder to accessory, I had to use a hammer and punch to push in the ret...
2001 Toyota RAV4 2.0L No Start VIN: JTEGH20V11
sorry took so long to close.advised customer to take dealer, aaa tow driver talked him into taking it to their shop and they too could not get it started, i called customer to follow up and he ended up taking to dealer and they installed new computer and vehic... Trouble codes: B2796 (No communication in engine immobilizer system).
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