2009/08/31 Caterpillar


Diagnostic Process for Fuel Rail Pressure Sensor {127A, 1439}

Usage:

C4.4 444


Generator Set:
C4.4 (S/N: GLD1-107,109-109,114-114,116-119,121-122,127-128,132-133,135-144,148-149,157-157,161-161,168-169,176-176,178-178,182-186,188-192,195-195,197-197,202-203,206-209,217-226,232-234,236-238,240-240,243-253,255-257,260-260,262-265,267-271,274-275,277-277,282-282,285-294,296-300,304-329,331-331; GLE1-302,702-702,705-705,707-707,709-709,715-715,721-721,727-728,732-733,737-737,739-740,742-742,746-746,748-755,770-770; D4B1-404,412-415,417-611,613-620,622-661,663-693,695-1077,1079-1148,1150-1168,1170-1181,1183-1188,1190-1190; D4D1-1,612-618,622-733,764-764)
C6.6 (S/N: MRW1-102,104-117,121-121,123-123; SDA1-114,117-119,121-134,139-159,161-162,165-253,262-294,296-332,341-380,384-387,393-396,400-402,407-423,426-435,465-549,564-566,570-571,582-593,595-601,608-608; N6D1-106,108-126,128-157,159-160,162-302,304-395,397-1217,1219-1224,1226-1228,1230-1239,1241-1247,1254-1254)
Industrial Engine:
C4.4 (S/N: 4441-1,4-65,68-136,138-184,188-277,280-288,291-291,296-299,301-319,321-338,340-351,353-472,474-558,560-565,567-622,638-652,658-1411,1415-1419,1422-1424,1428-1430,1433-1433,1435-1463,1465-1574,1576-1708,1710-1846,1849-1849,1860-2011,2013-2144,2146-2334,2336-2742,2745-2943,2945-3644,3647-3762,3764-4018,4020-4346,4348-4422,4425-4426,4429-4445,4447-4481,4483-4519,4521-4611,4613-4894,4896-5126,5129-5356,5358-5371,5373-5518,5521-5624,5627-5636,5638-5778,5780-5980,5982-6020,6022-6022,6024-6113,6115-6127,6129-6380,6382-6665,6667-6679,6682-6684,6686-6718,6720-6730,6732-6807,6809-6879,6882-6910,6912-6912,6914-6915,6918-6946,6949-6962,6964-6996,7000-7043,7045-7080,7083-7087,7104-7107,7118-7118)
C6.6 (S/N: 6661-268,277-307,309-350,354-363,372-374,377-378,382-410,412-413,415-429,431-519,524-540,542-545,547-554,556-564,566-594,596-601,603-618,620-677,679-695,697-722,724-764,766-777,779-819,822-834,836-868,870-926,928-966,968-987,989-991,993-997,999-1019,1021-1107,1109-1117,1119-1135,1137-1151,1153-1195,1197-1242,1244-1288,1290-1295,1297-1341,1343-1365,1367-1379,1381-1388,1390-1390,1394-1405,1408-1408,1410-1412,1416-1434,1436-1436,1438-1439,1441-1442,1444-1445,1447-1469,1471-1471,1473-1488,1490-1566,1568-1598,1601-1620,1622-1745,1747-1750,1752-1758,1760-1890,1892-1965,1967-1969,1971-1971,1973-1977,1979-1979,1981-1981,1983-2000,2005-2010,2012-2096,2098-2109,2112-2134,2137-2137,2139-2195,2198-2346,2348-2372,2374-2413,2415-2438,2442-2442,2446-2483,2485-2488,2490-2499,2501-2544,2567-2627,2629-2639,2642-2675,2679-2689,2694-2703,2705-2715,2718-2723,2725-2730,2732-2742,2744-2747,2750-2815,2826-2827,2829-2834,2836-2847,2849-2896,2898-2898,2900-2935,2937-2959,2961-2983,2985-3058,3060-3078,3080-3086,3088-3088,3091-3109,3111-3274,3276-3303,3305-3367,3369-3462,3465-3465,3467-3467,3469-3813,3817-3821,3823-3867,3871-3881,3883-3921,3923-4066,4068-4173,4175-4225,4227-4341,4343-4519,4521-4675,4677-4865,4867-4996,5000-5042,5044-5050,5056-5087,5091-5096,5098-5289,5293-5334,5336-5341,5343-5356,5358-5504,5506-5726,5728-5733,5735-5772,5774-5788,5790-6076,6078-6320,6322-6328,6330-6404,6406-6522,6524-6546,6548-6616,6618-7010,7012-7013,7015-7045,7047-7084,7086-7215,7217-7340,7342-7354,7356-7435,7437-7455,7457-7506,7508-7649,7651-7653,7655-7660,7662-7669,7672-7877,7879-7885,7895-7920,7922-7927,7929-8075,8077-8078,8080-8087,8098-8189,8191-8252,8254-8268,8270-8299,8301-8544,8546-8718,8720-8821,8823-8863,8866-9165,9167-9253,9256-9258,9261-9311,9313-9381,9386-9420,9423-9479,9481-9578,9580-9581,9583-9590,9592-9653,9657-9826,9828-9923,9926-9988,9991-9991,9993-10193,10195-10196,10198-10198,10200-10206,10208-10210,10212-10217,10219-10273,10275-10294,10296-10329,10331-10361,10363-10565,10567-10595,10598-10601,10603-10682,10684-10766,10774-10877,10879-10907,10909-10913,10915-10941,10943-10952,10960-11028,11030-11067,11069-11182,11184-11192,11195-11221,11227-11235,11237-11307,11314-11330,11332-11339,11342-11379,11381-11513,11515-11537,11539-11541,11543-11551,11553-11569,11571-11615,11620-11657,11659-11675,11677-11691,11694-11726,11728-11760,11762-11794,11796-11851,11855-11857,11859-11884,11886-11887,11890-11890,11893-11904,11906-11914,11919-11920,11922-11931,11933-11980,11982-11982,11984-11984,11986-11987,11989-11990,11992-11992,11994-12012,12014-12014,12017-12019,12021-12023,12025-12031,12036-12037,12041-12045,12049-12064,12066-12071,12074-12083,12085-12087,12089-12092,12094-12107,12110-12114,12116-12123,12126-12126,12142-12145,12155-12161,12163-12164,12166-12167,12176-12176,12190-12191,12204-12206,12235-12235)

There have been a number of isolated instances of issues with 311-6342 Pressure Sensor. The 311-6342 Pressure Sensor is being reported as having issues such as a short circuit and an open circuit. This can cause the application to have a derate or a shutdown.

On investigation, a large proportion of the returned sensors operate correctly. This indicates that the replaced parts were not the cause of the issue.

If there is a issue with 311-6342 Pressure Sensor, refer to Special Instruction, REHS3749, "Diagnostic Process for Fuel Rail Pressure Sensor".

The testing procedure must be strictly followed in order to ensure that an incorrect diagnosis does not occur.

Give all test results in the details of the claim. Give details in the story of the claim when the appropriate part was replaced or the appropriate repair was carried out. This will assist future investigations into issues that relate to the parts.

If there is a problem with any other sensor on the engine, refer to Troubleshooting for the engine. Check the fault code that is displayed. Follow the instructions in Troubleshooting.

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